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Estimation of an Abnormal Noise Location Over Multi-Span Optical Fiber Link Based on Nonlinear Fourier Transform
Takumi Motomura, Akihiro Maruta, Hideaki Shimpo, Ken Mishina
IEEE Photonics Journal Vol. 17 No. 2 p. 1-14 2025/04 Research paper (scientific journal)
Publisher: Institute of Electrical and Electronics Engineers (IEEE)
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Effects of dispersion fluctuation on multi-eigenvalue communication
Takumi Motomura, Akihiro Maruta, Masaharu Ohashi, Ken Mishina
IEICE Transactions on Communications p. 1-15 2025 Research paper (scientific journal)
Publisher: Institute of Electrical and Electronics Engineers (IEEE)
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Long-haul Optical-eigenvalue Transmission Using a Neural Network Demodulator and SD-FEC
Ken Mishina, Ryotaro Harada, Tsuyoshi Yoshida, Daisuke Hisano, Akihiro Maruta
IEEE Journal on Selected Areas in Communications p. 1-1 2025 Research paper (scientific journal)
Publisher: Institute of Electrical and Electronics Engineers (IEEE)
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Effects of Dispersion Fluctuation of Optical Fiber Line on the Nonlinear Fourier Coefficient $b$
Takumi Motomura, Akihiro Maruta, Ken Mishina
2024 Conference on Lasers and Electro-Optics Pacific Rim (CLEO-PR) p. 1-2 2024/08/04 Research paper (international conference proceedings)
Publisher: IEEE
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Room‐Temperature Continuous Wave Lasing of Circular Defect in 2D Photonic Crystal (CirD) Laser with AlOx Cladding Layers Fabricated by One‐Step Dry Etching
Rubing Zuo, Ryosei Kinoshita, Hanqiao Ye, Hirotake Kajii, Akihiro Maruta, Masahiko Kondow
physica status solidi (a) 2024/01/22 Research paper (scientific journal)
Publisher: Wiley
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Improvement of Output Extraction Efficiency by Optimizing Edge Structure of Circular Defect in Photonic Crystal Laser
Yuki Adachi, Issei Sada, Masato Morifuji, Hirotake Kajii, Akihiro Maruta, Masahiko Kondow
physica status solidi (a) 2024/01/17 Research paper (scientific journal)
Publisher: Wiley
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Double-stage Carrier Frequency Offset Estimation Using the Eigenvalue and Scattering Coefficient b in the Nonlinear Fourier Transform
Taisuke Chino, Takumi Motomura, Akihiro Maruta, Ken Mishina
Optical Fiber Communication Conference (OFC) 2024 2024 Research paper (international conference proceedings)
Publisher: Optica Publishing Group
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1200-km Transmission of 4096-ary Eigenvalue-modulated Signal Using a Neural Network-based Demodulator and SD-FEC
Ryotaro Harada, Tsuyoshi Yoshida, Daisuke Hisano, Akihiro Maruta, Ken Mishina
Optical Fiber Communication Conference (OFC) 2024 2024 Research paper (international conference proceedings)
Publisher: Optica Publishing Group
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Investigation into Oxidation Width of AlGaOx Cladding Layer for Circular Defect in 2D Photonic Crystal Laser
Rubing Zuo, Hanqiao Ye, Ryosei Kinoshita, Munenari Kataguchi, Masato Morifuji, Hirotake Kajii, Akihiro Maruta, Masahiko Kondow
physica status solidi (a) 2023/11/22 Research paper (scientific journal)
Publisher: Wiley
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Transmission of hyper-multi-level eigenvalue-modulated signal using arbitrary optical multi-eigenvalue
Takeyuki Kodama, Ken Mishina, Yuki Yoshida, Daisuke Hisano, Akihiro Maruta
Optics Communications Vol. 546 p. 129748-129748 2023/11 Research paper (scientific journal)
Publisher: Elsevier BV
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Optical Eigenvalue Demodulation Using Neural Network and Estimation of the Number of Eigenvalues in the Preset Region
Kohei Nishida, Yuhei Terashi, Daisuke Hisano, Ken Mishina, Akihiro Maruta
2023 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC) 2023/06/26 Research paper (international conference proceedings)
Publisher: IEEE
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Input Ordinal Invariant Neural Network based Eigenvalue Demodulator for On-Off Encoded 4096-Ary Multi-Eigenvalue Signal
Daisuke Hisano, Tadashi Kozuno, Ken Mishina, Akihiro Maruta
2023 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC) 2023/06/26 Research paper (international conference proceedings)
Publisher: IEEE
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Effects of Fluctuations in Dispersion of Transmission Lines on Optical Eigenvalue Communication
Takumi Motomura, Akihiro Maruta, Ken Mishina
2023 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC) 2023/06/26 Research paper (international conference proceedings)
Publisher: IEEE
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Transmission characteristics of all-optically converted QPSK and 16QAM signals
Asahi Sueyoshi, Daisuke Hisano, Akihiro Maruta, Ken Mishina
Optics Communications Vol. 537 p. 129432-129432 2023/06 Research paper (scientific journal)
Publisher: Elsevier BV
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Advanced dry etching of GaAs/AlGaAs multilayer wafer with InAs quantum dot for circular defect in photonic crystal laser
Yuki Adachi, Yifan Xiong, Hanqiao Ye, Rubing Zuo, Masaya Morita, Kenta Kaichi, Ryosei Kinoshita, Masato Morifuji, Akihiro Maruta, Hirotake Kajii, Masahiko Kondow
IEICE Electronics Express Vol. 20 No. 7 p. 20230054-20230054 2023/04/10 Research paper (scientific journal)
Publisher: Institute of Electronics, Information and Communications Engineers (IEICE)
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Investigating wavelength bandwidth of orthogonal lattice waveguide for circular defect in two-dimensional photonic crystal (CirD) lasers
Rubing Zuo, Shotaro Hirata, Shota Aomori, Masaya Morita, Hanqiao Ye, Hirotake Kajii, Masato Morifuji, Akihiro Maruta, Masahiko Kondow
Japanese Journal of Applied Physics Vol. 62 No. 2 p. 022002-022002 2023/02/01 Research paper (scientific journal)
Publisher: IOP Publishing
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Identification of abnormal noise point in optical fiber link using nonlinear Fourier transform
Ken Mishina, Akihiro Maruta
CLEO 2023 2023 Research paper (international conference proceedings)
Publisher: Optica Publishing Group
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Carrier Frequency Offset Estimation in the Eigenvalue Domain
Takaya Maeda, Daisuke Hisano, Yuki Yoshida, Akihiro Maruta, Ken Mishina
Journal of Lightwave Technology p. 1-9 2023 Research paper (scientific journal)
Publisher: Institute of Electrical and Electronics Engineers (IEEE)
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All-Optical Modulation Format Conversions from PAM4 to QPSK and 16QAM Using Silicon-Rich Nitride Waveguides
Yuto FUJIHARA, Asahi SUEYOSHI, Alisson RODRIGUES DE PAULA, Akihiro MARUTA, Ken MISHINA
IEICE Transactions on Communications 2023 Research paper (scientific journal)
Publisher: Institute of Electronics, Information and Communications Engineers (IEICE)
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Multi-Eigenvalue Demodulation Using Complex Moment-Based Eigensolver and Neural Network
Yuhei Terashi, Daisuke Hisano, Ken Mishina, Yuki Yoshida, Akihiro Maruta
Journal of Lightwave Technology Vol. 41 No. 14 p. 1-13 2023 Research paper (scientific journal)
Publisher: Institute of Electrical and Electronics Engineers (IEEE)
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Wideband Simultaneous Wavelength Conversion of Multiple WDM Channels Using Silicon-Rich Nitride Waveguide
Yuki Ishihara, Mrinmoy Roy, Carlos Alfredo Ruiz Pineda, Akihiro Maruta, Ken Mishina
IEEE Photonics Journal Vol. 14 No. 6 p. 1-7 2022/12 Research paper (scientific journal)
Publisher: Institute of Electrical and Electronics Engineers (IEEE)
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Multi-stage adaptive equalization for all-optical-aggregated 16QAM signal
Sueyoshi Asahi, Mishina Ken, Hisano Daisuke, Maruta Akihiro
IEICE Communications Express Vol. 11 No. 5 p. 183-188 2022/05/01 Research paper (scientific journal)
Publisher: The Institute of Electronics, Information and Communication Engineers
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Flexible Data Center Interconnect Based on Optical Aggregation and Electrical Disaggregation
Asahi Sueyoshi, Ken Mishina, Daisuke Hisano, Akihiro Maruta
Proceedings of the 2022 Conference on Lasers and Electro-Optics Pacific Rim 2022 Research paper (international conference proceedings)
Publisher: Optica Publishing Group
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Nonlinear Quantization for Power-Domain Non-Orthogonal Multiple Access Passive Optical Network
Kosuke Suzuoki, Daisuke Hisano, Sho Shibita, Kazuki Maruta, Akihiro Maruta
Journal of Lightwave Technology Vol. 39 No. 19 p. 6142-6149 2021/10 Research paper (scientific journal)
Publisher: Institute of Electrical and Electronics Engineers (IEEE)
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Eigenvalue-Domain Neural Network Demodulator for Eigenvalue-Modulated Signal
Ken Mishina, Shingo Sato, Yuki Yoshida, Daisuke Hisano, Akihiro Maruta
Journal of Lightwave Technology Vol. 39 No. 13 p. 4307-4317 2021/07 Research paper (scientific journal)
Publisher: Institute of Electrical and Electronics Engineers (IEEE)
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4096-ary Eigenvalue Modulation Using 12 Triangular-lattice-shaped Eigenvalues
Ken Mishina, Hiroyuki Takeuchi, Takeyuki Kodama, Yuki Yoshida, Daisuke Hisano, Akihiro Maruta
2021 Optical Fiber Communications Conference and Exhibition, OFC 2021 - Proceedings 2021/06/01 Research paper (international conference proceedings)
Publisher: Institute of Electrical and Electronics Engineers Inc.
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Demonstration of Asynchronous Successive Interference Canceller for Uplink NOMA-PON
Kosuke Suzuoki, Daisuke Hisano, Ken Mishina, Kazuki Maruta, Akihiro Maruta
2021 Optical Fiber Communications Conference and Exhibition, OFC 2021 - Proceedings 2021/06/01 Research paper (international conference proceedings)
Publisher: Institute of Electrical and Electronics Engineers Inc.
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Optical Reflection Interference Equalization for Single-Wavelength Bidirectional WDM-PON Transmission System
Sho Shibita, Daisuke Hisano, Kazuki Maruta, Yu Nakayama, Ken Mishina, Akihiro Maruta
IEEE Photonics Journal Vol. 13 No. 1 p. 1-15 2021/02 Research paper (scientific journal)
Publisher: Institute of Electrical and Electronics Engineers (IEEE)
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Impact of arbitrary parameters in parallel eigenvalue solving algorithm on optical eigenvalue communication
Yuhei Terashi, Daisuke Hisano, Ken Mishina, Akihiro Maruta
Optics InfoBase Conference Papers 2021 Research paper (international conference proceedings)
Publisher: The Optical Society
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Numerical comparison of transmission characteristics between C-band and O-band in WDM-based analog radio over fiber link
Kosuke Suzuoki, Daisuke Hisano, Shota Ishimura, Ryo Inohara, Takehiro Tsuritani, Akihiro Maruta
Optics InfoBase Conference Papers 2021 Research paper (international conference proceedings)
Publisher: The Optical Society
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Combining IST-based CFO Compensation and Neural Network-based Demodulation for Eigenvalue-modulated Signal
Ken Mishina, Takaya Maeda, Daisuke Hisano, Yuki Yoshida, Akihiro Maruta
Journal of Lightwave Technology p. 1-1 2021 Research paper (scientific journal)
Publisher: Institute of Electrical and Electronics Engineers (IEEE)
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Experimental Demonstration of Lloyd-Max Algorithm to Quantization Noise Reduction on a Power-Domain Non-Orthogonal Multiple Access based Coherent PON
Kosuke Suzuoki, Daisuke Hisano, Sho Shibita, Kazuki Maruta, Akihiro Maruta
2020 European Conference on Optical Communications, ECOC 2020 2020/12/01 Research paper (international conference proceedings)
Publisher: Institute of Electrical and Electronics Engineers Inc.
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Artificial Neural Network-Based-Receiver for Eigenvalue-Modulated Signal in Presence of Optical CFO
Ken Mishina, Yuki Yoshida, Daisuke Hisano, Akihiro Maruta
2020 European Conference on Optical Communications, ECOC 2020 2020/12/01 Research paper (international conference proceedings)
Publisher: Institute of Electrical and Electronics Engineers Inc.
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Oblique Deposition of Ti/Pt/Au Electrode on Photonic Crystal for Vertical Current Injection
Hanqiao Ye, Ryota Saeki, Yifan Xiong, Takashi Kogure, Masato Morifuji, Hirotake Kajii, Akihiro Maruta, Masahiko Kondow
Applied Sciences Vol. 10 No. 23 p. 8377-8377 2020/11 Research paper (scientific journal)
Publisher: MDPI AG
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Remote-Pumped All-Optical Wavelength Conversion for WDM-PON-based Access-Metro Convergence
Ryota Tsuji, Daisuke Hisano, Yu Nakayama, Ken Mishina, Akihiro Maruta
2020 Opto-Electronics and Communications Conference (OECC) 2020/10/04 Research paper (international conference proceedings)
Publisher: IEEE
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Spectral Efficiencies and Transmission Characteristics of All-Optical PAM4 to QPSK and 16QAM Converted Signals
Asahi Sueyoshi, Yuta Matsumoto, Ken Mishina, Daisuke Hisano, Akihiro Maruta
2020 Opto-Electronics and Communications Conference (OECC) 2020/10/04 Research paper (international conference proceedings)
Publisher: IEEE
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Generalization Performance of Artificial Neural Network Based-Demodulator for Eigenvalue Modulated Signal
Ken Mishina, Daisuke Hisano, Yuki Yoshida, Akihiro Maruta
2020 Opto-Electronics and Communications Conference (OECC) 2020/10/04 Research paper (international conference proceedings)
Publisher: IEEE
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Influence of Quantization Noise on Power Domain Non-Orthogonal Multiple Access Based PON
Kosuke Suzuoki, Daisuke Hisano, Sho Shibita, Kazuki Maruta, Akihiro Maruta
2020 Opto-Electronics and Communications Conference (OECC) 2020/10/04 Research paper (international conference proceedings)
Publisher: IEEE
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AMCC Superimposed All-Optical Wavelength Converter for Access-Metro Convergence Network
Hiroki Takano, Daisuke Hisano, Ken Mishina, Akihiro Maruta
2020 Opto-Electronics and Communications Conference (OECC) 2020/10/04 Research paper (international conference proceedings)
Publisher: IEEE
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Analysis of Time- and Eigenvalue-Domain Neural Network-Based Demodulators for Optical Eigenvalue Modulated Signals
Shingo Sato, Ken Mishina, Daisuke Hisano, Akihiro Maruta
2020 Opto-Electronics and Communications Conference (OECC) 2020/10/04 Research paper (international conference proceedings)
Publisher: IEEE
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Selective dry etching of GaAs/AlO x for realizing electrical isolation on monolithic integrated photonic crystal laser array
Yifan Xiong, Yoshiki Tani, Xiaolong Cong, Masato Morifuji, Hirotake Kajii, Akihiro Maruta, Masahiko Kondow
Japanese Journal of Applied Physics Vol. 59 No. 8 p. 086505-086505 2020/08/01 Research paper (scientific journal)
Publisher: IOP Publishing
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Fixed-Rate-Breaking All-Optical OFDM System using Time-Domain Hybrid PAM with Sparse Subcarrier Multiplexing and Power-Loading for Optical Short-Reach Transmission
Takahiro Kodama, Akihiro Maruta, Naoya Wada, Gabriella Cincotti
2020 Optical Fiber Communications Conference and Exhibition, OFC 2020 - Proceedings 2020/03/01 Research paper (international conference proceedings)
Publisher: Institute of Electrical and Electronics Engineers Inc.
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Wavelength Swapping Scheme to Eliminate Reflected Light in Bidirectional WDM-PON
Daisuke Hisano, Sho Shibita, Ken Mishina, Yu Nakayama, Kazuki Maruta, Akihiro Maruta
OSA Advanced Photonics Congress (AP) 2020 (IPR, NP, NOMA, Networks, PVLED, PSC, SPPCom, SOF) 2020 Research paper (international conference proceedings)
Publisher: OSA
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All-Optical PAM4 to 16QAM Modulation Format Conversion Using Nonlinear Optical Loop Mirror and 1:2 Coupler
Yuta MATSUMOTO, Ken MISHINA, Daisuke HISANO, Akihiro MARUTA
IEICE Transactions on Communications 2020 Research paper (scientific journal)
Publisher: Institute of Electronics, Information and Communications Engineers (IEICE)
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Remote Pumped All Optical Wavelength Converter for Metro-Core Photonic Networks
Ryota TSUJI, Daisuke HISANO, Ken MISHINA, Akihiro MARUTA
IEICE Transactions on Communications 2020 Research paper (scientific journal)
Publisher: Institute of Electronics, Information and Communications Engineers (IEICE)
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Demodulation of Eigenvalue Modulated Signal Based on Eigenvalue-Domain Neural Network
Ken Mishina, Shingo Sato, Shohei Yamamoto, Yuki Yoshida, Daisuke Hisano, Akihiro Maruta
Optical Fiber Communication Conference (OFC) 2020 2020 Research paper (international conference proceedings)
Publisher: OSA
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Demonstration of Reflected Interference Cancellation in Single-Wavelength Bidirectional PON System
Sho Shibita, Daisuke Hisano, Ken Mishina, Akihiro Maruta
2019 IEEE Photonics Conference (IPC) 2019/09 Research paper (international conference proceedings)
Publisher: IEEE
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Artificial Neural Network Based Demodulation of Multi-Eigenvalue Modulated Signal
Shohei Yamamoto, Ken Mishina, Akihiro Maruta
OECC/PSC 2019 - 24th OptoElectronics and Communications Conference/International Conference Photonics in Switching and Computing 2019 2019/07/01 Research paper (international conference proceedings)
Publisher: Institute of Electrical and Electronics Engineers Inc.
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All-Optical PAM4 to 16QAM Modulation Format Conversion Using Nonlinear Optical Loop Mirror and 1:2 Coupler
Yuta Matsumoto, Ken Mishina, Daisuke Hisano, Akihiro Maruta
2019 24th OptoElectronics and Communications Conference (OECC) and 2019 International Conference on Photonics in Switching and Computing (PSC) 2019/07 Research paper (international conference proceedings)
Publisher: IEEE
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Analysis of All Optical Wavelength Converter in Remote Pump Configuration
Ryota Tsuji, Daisuke Hisano, Ken Mishina, Akihiro Maruta
2019 24th OptoElectronics and Communications Conference (OECC) and 2019 International Conference on Photonics in Switching and Computing (PSC) 2019/07 Research paper (international conference proceedings)
Publisher: IEEE
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Experimental and Numerical Analysis of Eigenvalue Deviation in Optical Multi-Eigenvalue Modulated Signal Transmission
Ken Mishina, Takeyuki Kodama, Yuki Yoshida, Daisuke Hisano, Akihiro Maruta
2019 24th OptoElectronics and Communications Conference (OECC) and 2019 International Conference on Photonics in Switching and Computing (PSC) 2019/07 Research paper (international conference proceedings)
Publisher: IEEE
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Photonic Crystal Circular Defect (CirD) Laser
Yifan Xiong, Hanqiao Ye, Takuma Umeda, Shun Mizoguchi, Masato Morifuji, Hirotake Kajii, Akihiro Maruta, Masahiko Kondow
Photonics Vol. 6 No. 2 p. 54-54 2019/05/20 Research paper (scientific journal)
Publisher: MDPI AG
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Low-Speed DSP Assisted Dispersion Compensation-Free IM/DD Optical OFDM Transmission over 100 km-SMF using Time- and Frequency-Domain Sparse-Subcarrier Multiplexing
Takahiro Kodama, Tatsuya Miyazaki, Masanori Hanawa, Akihiro Maruta, Naoya Wada, Gabriella Cincotti
2019 Optical Fiber Communications Conference and Exhibition, OFC 2019 - Proceedings 2019/04/22 Research paper (international conference proceedings)
Publisher: Institute of Electrical and Electronics Engineers Inc.
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All-Optical Modulation Format Conversion and Applications in Future Photonic Networks
Ken MISHINA, Daisuke HISANO, Akihiro MARUTA
IEICE Transactions on Electronics Vol. E102.C No. 4 p. 304-315 2019/04/01 Research paper (scientific journal)
Publisher: Institute of Electronics, Information and Communications Engineers (IEICE)
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Demonstration of PAM4-OCDM system with electrical amplitude-level pre-tuning and post-equalization for data centers applications
Takahiro Kodama, T. Miyazaki, M. Hanawa, Akihiro Maruta, N. Wada, G. Cincotti, Ken-ichi Kitayama
Optics Express Vol. 27 No. 8 p. 11227-11235 2019/04 Research paper (scientific journal)
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Experimental demonstration of neural network based demodulation for on-off encoded eigenvalue modulation
K. Mishina, S. Yamamoto, T. Kodama, Y. Yoshida, D. Hisano, A. Maruta
45th European Conference on Optical Communication (ECOC 2019) 2019 Research paper (international conference proceedings)
Publisher: Institution of Engineering and Technology
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Photonic Crystal Circular-Defect Microcavity Laser Designed for Wavelength Division Multiplexing
Xiong Yifan, Umeda Takuma, Zhang Xiuyu, Morifuji Masato, Kajii Hirotake, Maruta Akihiro, Kondow Masahiko
IEEE JOURNAL OF SELECTED TOPICS IN QUANTUM ELECTRONICS Vol. 24 No. 6 2018/11
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Hyper Multi-level Modulation Based on Optical Eigenvalue Multiplexing
Takeyuki Kodama, Takato Zuiki, Ken Mishina, Akihiro Maruta
Proceedings of the 2018 Photonics in Switching and Computing, PSC 2018 2018/09/01 Research paper (international conference proceedings)
Publisher: Institute of Electrical and Electronics Engineers Inc.
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光無線協調型フロントホールにおける機能分割基地局の配置設計
久野大介, 中山悠, 丸田一輝, 丸田章博
2018/09 Research paper (other academic)
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非線形シャノン限界の適用範囲
丸田章博
2018/07 Research paper (other academic)
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First Demonstration of PAM4/PAM3-OCDM System for Optical Short-Reach Transmission
T. Kodama, T. Miyazaki, M. Hanawa, A.Maruta, N. Wada, G. Cincotti, K. Kitayama
2018/07 Research paper (international conference proceedings)
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光固有値多重による超多値変調信号の生成
丸田章博, 瑞木崇人
2018/06 Research paper (other academic)
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欧州大学とのフォトニックネットワーク工学に関する修士課程のダブルディグリープログラム
丸田章博, 吉田悠来, 北山研一
大阪大学高等教育研究 Vol. 6 p. 27-31 2018/03 Research paper (bulletin of university, research institution)
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モバイルフロントホールの無線リンク収容に関する一検討
久野大介, 中山悠, 丸田一輝, 丸田章博
2018/03 Research paper (other academic)
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Deployment Design of Functional Split Base Station in Fixed and Wireless Multihop Fronthaul
Daisuke Hisano, Yu Nakayama, Kazuki Maruta, Akihiro Maruta
2018 IEEE Global Communications Conference, GLOBECOM 2018 - Proceedings 2018 Research paper (international conference proceedings)
Publisher: Institute of Electrical and Electronics Engineers Inc.
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93.34 Tbit/s/mode (280 Tbit/s) transmission in a 3-mode graded-index few-mode fiber
Georg Rademacher, Ruben S. Lui´s, Benjamin J. Puttnam, Roland Ryf, Hideaki Furukawa, Ryo Maruyama, Kazuhiko Aikawa, Akihiro Maruta, Yoshinari Awaji, Naoya Wada
Optics InfoBase Conference Papers Vol. 2018 2018 Research paper (international conference proceedings)
Publisher: OSA - The Optical Society
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直接検波システムにおける帯域制限耐力及び波長分散耐力の向上に向けた符号化PAM方式の検討
増井柊一, 吉田悠来, 丸田章博
2018/01 Research paper (other academic)
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光ファイバ伝送における非線形シャノン限界
丸田章博
2018/01 Research paper (other academic)
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Nonlinear shannon limit in optical fiber transmission system
Akihiro Maruta
IEICE Transactions on Communications Vol. E101B No. 1 p. 80-95 2018/01/01 Research paper (scientific journal)
Publisher: Institute of Electronics, Information and Communication, Engineers, IEICE
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Nonlinear Shannon Limit in Optical Fiber Transmission System
Akihiro Maruta
IEICE Transactions on Communications Vol. E101-B No. 1 p. 80-95 2018/01 Research paper (scientific journal)
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Dry etching of deep air holes in GaAs/AlGaAs-based epi-wafer having InAs quantum dots for fabrication of photonic crystal laser
Xiuyu Zhang, Kento Takeuchi, Xiaolong Cong, Yifan Xiong, Masato Morifuji, Akihiro Maruta, Hirotake Kajii, Masahiko Kondow
JAPANESE JOURNAL OF APPLIED PHYSICS Vol. 56 No. 12 2017/12 Research paper (scientific journal)
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Mode division multiplexed networks
Ken-Ichi Kitayama, Nikolaos P. Diamantopoulos, Yuki Yoshida, Akihiro Maruta
2017 Opto-Electronics and Communications Conference, OECC 2017 and Photonics Global Conference, PGC 2017 Vol. 2017- p. 1-3 2017/11/17 Research paper (international conference proceedings)
Publisher: Institute of Electrical and Electronics Engineers Inc.
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非線形フーリエ変換の光ファイバ通信への応用
丸田章博
2017/11 Research paper (other academic)
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非同期PONに向けたハイブリッド型MDM/OCDMシステムの実験検討
小玉崇宏, 丸田章博, 丸山遼, 桑木伸夫, 松尾昌一郎, 和田尚也, Gabriella Cincotti, 北山研一
2017/11 Research paper (other academic)
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光固有値変調方式における任意の固有値を持つ入力信号の生成
瑞木崇人, 丸田章博
2017/11 Research paper (other academic)
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Rogue wave generation by inelastic quasi-soliton collisions in optical fibres
M. Eberhard, A. Savojardo, A. Maruta, R. A. Romer
OPTICS EXPRESS Vol. 25 No. 23 p. 28086-28099 2017/11 Research paper (scientific journal)
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1.3 mu m lasing of circular defect cavity photonic crystal laser with an AlOx cladding layer
Xiuyu Zhang, Takafumi Hino, Satoshi Kasamatsu, Shobu Suga, Elbert He, Yifan Xiong, Masato Morifuji, Hirotake Kajii, Akihiro Maruta, Masahiko Kondow
IEICE ELECTRONICS EXPRESS Vol. 14 No. 18 2017/09 Research paper (scientific journal)
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データ伝送容量増大に向けたフォトニックネットワークシステムの現状とデバイス
丸田章博
2017/09 Research paper (other academic)
-
多目的数モードファイバの一検討
日高隆揮, 丸田章博
2017/09 Research paper (other academic)
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非線形フーリエ変換とその光ファイバ通信への応用
丸田章博
2017/06 Research paper (other academic)
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Eigenvalue Based Analysis of Soliton Fusion Phenomenon in the Frame Work of Nonlinear Schrodinger Equation
Gihan Weerasekara, Akihiro Maruta
IEEE PHOTONICS JOURNAL Vol. 9 No. 3 p. 7903612-1-7903612-12 2017/06 Research paper (scientific journal)
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Tomlinson-Harashima Precodingによる光PAM伝送の延伸化についての一検討
松本健吾, 吉田悠来, 丸田章博, 菅野敦, 山本直克, 北山研一
2017/03 Research paper (other academic)
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ディジタルコヒーレント光伝送系における逆散乱変換に基づく非線形補償法
牧善太, 丸田章博
2017/03 Research paper (other academic)
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Report on OECC/PS 2016
Kimio Oguchi, Akihiro Maruta
IEEE Photonics Society News - Conference Section Vol. 31 No. 1 p. 35-36 2017/02
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Mode and code division multiplexing system for asynchronous optical access network
Takahiro Kodama, Akihiro Maruta, Ryo Maruyama, Nobuo Kuwaki, Shoichiro Matsuo, Naoya Wada, Gabriella Cincotti, Ken-Ichi Kitayama
Optics InfoBase Conference Papers Vol. 2017 2017 Research paper (international conference proceedings)
Publisher: OSA - The Optical Society
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Coherent Radio-over-Few-Mode-Fiber
Ken-ichi Kitayama, Nikolaos. P. Diamantopoulos, Yuki Yoshida, Akihiro Maruta, Atsushi Kanno, Tetsuya Kawanishi, Ryo Maruyama, Kazuhiko Aikawa, Nobuo Kuwaki
2017 CONFERENCE ON LASERS AND ELECTRO-OPTICS PACIFIC RIM (CLEO-PR) 2017 Research paper (international conference proceedings)
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On the Impact of Tomlinson-Harashima Precoding in Optical PAM Transmissions for Intra-DCN Communication
Kengo Matsumoto, Yuki Yoshida, Akihiro Maruta, Atsushi Kanno, Naokatsu Yamamoto, Ken-ichi Kitayama
2017 OPTICAL FIBER COMMUNICATIONS CONFERENCE AND EXHIBITION (OFC) 2017 Research paper (international conference proceedings)
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Solitons and Nonlinear Fourier Transformation
Akihiro Maruta
2017 OPTICAL FIBER COMMUNICATIONS CONFERENCE AND EXHIBITION (OFC) 2017 Research paper (international conference proceedings)
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ソリトン融合現象に起因する光ローグウエーブ発生
ウィーラセーカラ ギハーン, 丸田章博
2017/01 Research paper (other academic)
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Characterization of optical rogue wave based on solitons' eigenvalues of the integrable higher-order nonlinear Schrodinger equation
Gihan Weerasekara, Akihiro Maruta
OPTICS COMMUNICATIONS Vol. 382 No. 1 p. 639-645 2017/01 Research paper (scientific journal)
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Report on OECC/PS 2016
Kimio Oguchi, Akihiro Maruta
IEICE Communications Society - Global News Letter, IEICE-CS Related Conference Reports Vol. 40 No. 4 p. 26-27 2016/12
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Optical Versus Electronic Packet Switching in Delay-Sensitive 5G Networks: Myths Versus Advantages
Pablo Jesus Argibay-Losada, Yuki Yoshida, Akihiro Maruta, Ken-ichi Kitayama
Journal of Optical Communications and Networking Vol. 8 No. 11 p. B43-B54 2016/11 Research paper (scientific journal)
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固有値変調を用いた光ファイバ伝送方式
丸田章博, 寺内大樹, 松田雄大, 豊田彰史, 池田善紀
電子情報通信学会論文誌(B) Vol. J99-B No. 11 p. 976-987 2016/11 Research paper (scientific journal)
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光固有値変調方式の光ナイキストパルスへの適用に関する基礎的検討
児玉剛征, 池田善紀, 丸田章博
2016/09 Research paper (other academic)
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光固有値変調方式における任意の固有値を持つ入力信号波形の生成
瑞木崇人, 丸田章博
2016/09 Research paper (other academic)
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W-08 Double degree program with European universities for master course on photonic network engineering
MARUTA Akihiro
JSEE Annual Conference International Session Proceedings Vol. 2016 p. 43-46 2016/09 Research paper (other academic)
Publisher: Japanese Society for Engineering Education
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ファイバ中における光波伝搬の数理モデル
丸田章博
2016/07 Research paper (other academic)
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虚心坦懐の難しさ
丸田章博
2016/05 Research paper (other academic)
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Nonlinear-Error-Free Optical Quantization Using Dense Spectral Slicing
Takahiro Kodama, Ryosuke Matsumoto, Akihiro Maruta, Tsuyoshi Konishi, Ken-ichi Kitayama
IEICE TRANSACTIONS ON COMMUNICATIONS Vol. E99B No. 3 p. 647-653 2016/03 Research paper (scientific journal)
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Eigenvalue based analysis of soliton fusion phenomenon
Gihan Weerasekara, Akihiro Maruta
2016/03 Research paper (other academic)
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偏波多重光伝送における摂動非線形補償法の計算精度に関する考察
沼田 優, 丸田章博
2016/03 Research paper (other academic)
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B-10-66 400Gbps/ch Realtime Field Trial with Scalable Photonic Nodes in JGN-X Testbed
Yonenaga Kazushige, Teshima Mitsuhiro, Hoshida Takeshi, Akiyama Yuichi, Sugihara Takashi, Kametani Soichiro, Noguchi Hidemi, Yanagimachi Shigeyuki, Sato Ken-ichi, Maruta Akihiro, Miyamoto Yutaka
Proceedings of the IEICE General Conference Vol. 2016 No. 2 p. 359-359 2016/03 Research paper (other academic)
Publisher: The Institute of Electronics, Information and Communication Engineers
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Nonlinear-error-free optical quantization using dense spectral slicing
Takahiro Kodama, Ryosuke Matsumoto, Akihiro Maruta, Tsuyoshi Konishi, Ken-Ichi Kitayama
IEICE Transactions on Communications Vol. E99B No. 3 p. 647-653 2016/03/01 Research paper (scientific journal)
Publisher: Maruzen Co., Ltd.
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Massive eigenvalue modulated optical transmission systems
Akihiro Maruta
2016/02
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Characterization of Soliton Fusion Phenomenon Based on Solitons' Eigenvalue
Gihan Weerasekara, Akihiro Maruta
2016 21ST OPTOELECTRONICS AND COMMUNICATIONS CONFERENCE (OECC) HELD JOINTLY WITH 2016 INTERNATIONAL CONFERENCE ON PHOTONICS IN SWITCHING (PS) 2016 Research paper (international conference proceedings)
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Pattern-Independent Wavelength Conversion of PAM signals in SOAs
Ryosuke Matsumoto, Giampiero Contestabile, Yuki Yoshida, Akihiro Maruta, Ken-ichi Kitayama
2016 21ST OPTOELECTRONICS AND COMMUNICATIONS CONFERENCE (OECC) HELD JOINTLY WITH 2016 INTERNATIONAL CONFERENCE ON PHOTONICS IN SWITCHING (PS) 2016 Research paper (international conference proceedings)
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Optical vs. Electronic Packet Switching: Myth and Advantage in 5G Time-Critical Applications
Pablo Jesus Argibay-Losada, Yuki Yoshida, Akihiro Maruta, Ken-ichi Kitayama
20TH INTERNATIONAL CONFERENCE ON OPTICAL NETWORK DESIGN AND MODELING (ONDM 2016) 2016 Research paper (international conference proceedings)
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Mitigation of Modal Crosstalk-induced Power Fading in Mode Division Multiplexed W-Band RoF links
N. P. Diamantopoulos, Y. Takami, Y. Yoshida, A. Maruta, A. Kanno, N. Yamamoto, T. Kawanishi, R. Maruyama, N. Kuwaki, S. Matsuo, K. Kitayama
2016 OPTICAL FIBER COMMUNICATIONS CONFERENCE AND EXHIBITION (OFC) 2016 Research paper (international conference proceedings)
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Deployment scenario of mode division multiplexing in metro area network
Ken-Ichi Kitayama, Nikolaos Panteleimon Diamantopoulos, Akihiro Maruta, Yuki Yoshida
Asia Communications and Photonics Conference, ACPC 2015 2015/12/11 Research paper (international conference proceedings)
Publisher: Optical Society of America (OSA)
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ソリトン衝突に起因する光ファイバ中におけるローグウェーブ現象の解析
Gihan Weerasekara, 丸田章博
2015/12 Research paper (other academic)
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パルス幅変調に基づく光固有値変復調方式
松田雄大, 豊田彰史, 丸田章博
2015/12 Research paper (other academic)
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Mode-Unbundled ROADM and Bidirectional Mode Assignment for MDM Metro Area Networks
Nikolaos Panteleimon Diamantopoulos, Masahiro Hayashi, Yuki Yoshida, Akihiro Maruta, Ryo Maruyama, Nobuo Kuwaki, Katsuhiro Takenaga, Hitoshi Uemura, Shoichiro Matsuo, Ken-Ichi Kitayama
JOURNAL OF LIGHTWAVE TECHNOLOGY Vol. 33 No. 24 p. 5055-5061 2015/12 Research paper (scientific journal)
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Eigenvalue modulated optical transmission system
Akihiro Maruta
2015 Opto-Electronics and Communications Conference, OECC 2015 2015/11/30 Research paper (international conference proceedings)
Publisher: Institute of Electrical and Electronics Engineers Inc.
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A Novel Wavelength Converter for PAM Signal based on XGM in cascaded SOAs
Ryosuke Matsumoto, Yuki Yoshida, Christos Stamatiadis, Akihiro Maruta, Ken-ichi Kitayama
2015/11 Research paper (international conference proceedings)
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Deployment Scenario of Mode Division Multiplexing in Metro Area Metwork
Ken-ichi Kitayama, Nikolaos P. Diamantopoulos, Akihiro Maruta, Yuki Yoshida
2015/11 Research paper (international conference proceedings)
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Low DSP complexity mid-haul mode-division multiplexing links utilizing wideband modal dispersion compensated two-mode fibers
N. P. Diamantopoulos, M. Nakazawa, Y. Yoshida, A. Maruta, R. Maruyama, N. Kuwaki, S. Matsuo, K. Kitayama
OPTICS COMMUNICATIONS Vol. 355 p. 411-418 2015/11 Research paper (scientific journal)
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OTDM-WDM変換機能を有するゲートウェイノードにおける光固有値変調信号の固有値変換
池田善紀, 松田雄大, 豊田彰史, 丸田章博
2015/09 Research paper (other academic)
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摂動解析に基づく非線形補償法における計算精度の展開次数依存性
沼田優, 丸田章博
2015/09 Research paper (other academic)
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Mode-selective optical packet switching in mode-division multiplexing networks
N. P. Diamantopoulos, M. Hayashi, Y. Yoshida, A. Maruta, R. Maruyama, N. Kuwaki, K. Takenaga, H. Uemura, S. Matsuo, K. Kitayama
OPTICS EXPRESS Vol. 23 No. 18 p. 23660-23666 2015/09 Research paper (scientific journal)
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モードをラベルとして用いた光パケットスイッチング
林雅浩, Diamantopoulous, Nikolaos Panteleimon, 吉田悠来, 丸田章博, 丸山 遼, 桑木伸夫, 竹永勝宏, 植村 仁, 松尾昌一郎, 北山研一
2015/08 Research paper (other academic)
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波長分割多重光固有値変復調方式
豊田彰史, 丸田章博
2015/07 Research paper (other academic)
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Performance of Fixed-Length, Variable-Capacity Packets in Optical Packet-Switching Networks
Pablo Jesus Argibay-Losada, Yuki Yoshida, Akihiro Maruta, Michael Schlosser, Ken-ichi Kitayama
JOURNAL OF OPTICAL COMMUNICATIONS AND NETWORKING Vol. 7 No. 7 p. 609-617 2015/07 Research paper (scientific journal)
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3 x ONU No-Guard-Band Coherent OFDMA-PON Uplink Demonstration Using a Real-Time Transmitter With a Free-Running 100-kHz-Linewidth ECL
Yuki Yoshida, Akihiro Maruta, Kenji Ishii, Kiyoshi Onohara, Yuji Akiyama, Masaki Noda, Masamichi Nogami, Kazuumi Koguchi, Takashi Mizuochi, Ken-Ichi Kitayama
JOURNAL OF LIGHTWAVE TECHNOLOGY Vol. 33 No. 8 p. 1666-1674 2015/04 Research paper (scientific journal)
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リアルタイムIFDMA送信器を用いたIFDMA/OFDMA/SC-FDMA-PON混在システムの検討
石井健二, 斧原聖史, 野田雅樹, 野上正道, 吉田悠来, 丸田章博, 水落隆司, 北山研一
2015/03 Research paper (other academic)
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XGMを用いた縦続接続型SOAによる光PAM信号増幅特性
松本怜典, 吉田悠来, Stamatiadis Christos, 丸田章博, 北山研一
2015/03 Research paper (other academic)
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パルス幅変調に基づく光固有値変復調方式
松田雄大, 丸田章博
2015/02 Research paper (other academic)
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長距離伝送に向けた新しい変調方式の提案~固有値伝送~
丸田章博
2015/02 Research paper (other academic)
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SDN-Based Network Orchestration of Variable-Capacity Optical Packet Switching Network Over Programmable Flexi-Grid Elastic Optical Path Network
Yuki Yoshida, Akihiro Maruta, Ken-ichi Kitayama, Masato Nishihara, Toshiki Tanaka, Tomoo Takahara, Jens C. Rasmussen, Noboru Yoshikane, Takehiro Tsuritani, Itsuro Morita, Shuangyi Yan, Yi Shu, Yan Yan, Reza Nejabati, Georgios Zervas, Dimitra Simeonidou, Ricard Vilalta, Rauel Munoz, Ramon Casellas, Ricardo Martinez, Alejandro Aguado, Victor Lopez, Jaume Marhuenda
JOURNAL OF LIGHTWAVE TECHNOLOGY Vol. 33 No. 3 p. 609-617 2015/02 Research paper (scientific journal)
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Polarization Division Multiplexed Optical Eigenvalue Modulation
Akihiro Maruta, Yuki Matsuda
2015 INTERNATIONAL CONFERENCE ON PHOTONICS IN SWITCHING (PS) p. 265-267 2015 Research paper (international conference proceedings)
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Mode-unbundled Transmission over a 30-km Two-mode Fiber via OFDM-based Pre-crosstalk Suppression Technique
Shota Noguchi, Nikolaos P. Diamantopoulos, Yuki Yoshida, Akihiro Maruta, Ken-ichi Kitayama, Ryo Maruyama, Shoichiro Matsuo, Nobuo Kuwaki
2015 INTERNATIONAL CONFERENCE ON PHOTONICS IN SWITCHING (PS) p. 312-314 2015 Research paper (international conference proceedings)
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Mode-unbundled ROADM for MDM Networks: Characterization of Uni- and Bi-directional Mode Assignment
N. P. Diamantopoulos, M. Hayashi, Y. Yoshida, A. Maruta, K. Takenaga, H. Uemura, S. Matsuo, K. Kitayama
2015 INTERNATIONAL CONFERENCE ON PHOTONICS IN SWITCHING (PS) p. 139-141 2015 Research paper (international conference proceedings)
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Novel Mode-selective Packet Switching
M. Hayashi, N. P. Diamantopoulous, Y. Yoshida, A. Maruta, K. Kitayama, R. Maruyama, N. Kuwaki, K. Takenaga, H. Uemura, S. Matsuo
2015 INTERNATIONAL CONFERENCE ON PHOTONICS IN SWITCHING (PS) p. 306-308 2015 Research paper (international conference proceedings)
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Experimental Demonstration of Long Haul Transmission of Eigenvalue Modulated Signals
Akihiro Maruta, Akifumi Toyota, Yuki Matsuda, Yoshinori Ikeda
2015 TYRRHENIAN INTERNATIONAL WORKSHOP ON DIGITAL COMMUNICATIONS (TIWDC) p. 28-30 2015 Research paper (international conference proceedings)
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Wavelength Division Multiplexed Optical Eigenvalue Modulated System
Akifumi Toyota, Akihiro Maruta
2015 TYRRHENIAN INTERNATIONAL WORKSHOP ON DIGITAL COMMUNICATIONS (TIWDC) p. 43-45 2015 Research paper (international conference proceedings)
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The eigenvalue based analysis of rogue wave phenomena in the frame work of integrable higher-order nonlinear Schrödinger equation
Gihan Weerasekara, Akihiro Maruta
Nonlinear Optics, NLO 2015 2015 Research paper (international conference proceedings)
Publisher: Optical Society of America (OSA)
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Eigenvalue Modulated Optical Transmission System
Akihiro Maruta
2015 OPTO-ELECTRONICS AND COMMUNICATIONS CONFERENCE (OECC) 2015 Research paper (international conference proceedings)
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Throughput analysis of distant-adaptive, fixed-length, variable-capacity packets in OPS networks
Pablo Jesus Argibay-Losada, Yuki Yoshida, Akihiro Maruta, Michael Schlosser, Ken-ichi Kitayama
2015 IEEE INTERNATIONAL CONFERENCE ON COMMUNICATIONS (ICC) p. 5235-5241 2015 Research paper (international conference proceedings)
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Demonstration of No-guard-band Coherent IFDMA/OFDMA/SC-FDMA-PON Co-existence Uplink System using Real-time IFDMA Transmitter
Kenji Ishii, Yuki Yoshida, Kiyoshi Onohara, Masaki Noda, Masamichi Nogami, Akihiro Maruta, Ken-ichi Kitayama
2015 OPTICAL FIBER COMMUNICATIONS CONFERENCE AND EXHIBITION (OFC) 2015 Research paper (international conference proceedings)
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Mode-Division Multiplexed W-Band RoF Transmission for Higher-order Spatial Multiplexing
N. P. Diamantopoulos, S. Inudo, Y. Yoshida, A. Maruta, A. Kanno, P. T. Dat, T. Kawanishi, R. Maruyama, N. Kuwaki, S. Matsuo, K. Kitayama
2015 OPTICAL FIBER COMMUNICATIONS CONFERENCE AND EXHIBITION (OFC) 2015 Research paper (international conference proceedings)
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固有値変調を用いた光ファイバ伝送方式
丸田章博, 寺内大樹, 松田雄大, 豊田彰史, 池田善紀
2015/01 Research paper (other academic)
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MIMO-enabled W-Band Mode-Division Multiplexing RoF Transmission over DMGD-compensated FMF link
DIAMANTOPOULOS Nikolaos P., INUDO Shohei, YOSHIDA Yuki, MARUTA Akihiro, KANNO Atsushi, DAT Pham Tien, KAWANISHI Tetsuya, MARUYAMA Ryo, KUWAKI Nobuo, MATSUO Shoichiro, KITAYAMA Ken-ichi
Vol. 114 No. 430 p. 205-208 2015/01 Research paper (other academic)
Publisher: The Institute of Electronics, Information and Communication Engineers
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Performance Analysis of Fixed-length, Variable-capacity Optical Packet Switching Networks
Pablo Jesus Argibay-Losada, Yuki Yoshida, Akihiro Maruta, Michael Schlosser, Ken-ichi Kitayama
2015/01 Research paper (other academic)
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Soliton's eigenvalue based analysis on the generation mechanism of rogue wave phenomenon in optical fibers exhibiting weak third order dispersion
Gihan Weerasekara, Akihiro Tokunaga, Hiroki Terauchi, Marc Eberhard, Akihiro Maruta
OPTICS EXPRESS Vol. 23 No. 1 p. 143-153 2015/01 Research paper (scientific journal)
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Prototype of Uplink Transceiver for IFDMA-PON System by FPGA Emulation
Kiyoshi Onohara, Kenji Ishii, Yuji Akiyama, Masaki Noda, Masamichi Nogami, Takashi Sugihara, Takashi Mizuochi, Yuki Yoshida, Akihiro Maruta, Ken-Ichi Kitayama
IEEE PHOTONICS TECHNOLOGY LETTERS Vol. 27 No. 1 p. 81-84 2015/01 Research paper (scientific journal)
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Full-Duplex RSOA-Based PONs Using 4-PAM With Pre-Equalization
Christos Stamatiadis, Ryosuke Matsumoto, Yuki Yoshida, Akira Agata, Akihiro Maruta, Ken-Ichi Kitayama
IEEE PHOTONICS TECHNOLOGY LETTERS Vol. 27 No. 1 p. 73-76 2015/01 Research paper (scientific journal)
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波長分割多重光固有値伝送における予等化技術の適用
豊田彰史, 松田雄大, 寺内大樹, 丸田章博
2014/12 Research paper (other academic)
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Experimental Study on Coherent IFDMA-PON Uplink using Real-time IFDMA Transmitter with Asynchronous Light Source
Ishii Kenji, Yoshida Yuki, Onohara Kiyoshi, Noda Masaki, Nogami Masamichi, Maruta Akihiro, Kitayama Ken-ichi
Technical report of IEICE. OCS Vol. 114 No. 300 p. 83-88 2014/11 Research paper (other academic)
Publisher: The Institute of Electronics, Information and Communication Engineers
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Polarization Multiplexed Optical Eigenvalue Modulated System
Vol. 38 No. 44 p. 111-116 2014/11 Research paper (other academic)
Publisher:
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C-RANフロントホール回線の伝送効率向上のためのベースバンド信号圧縮技術の検討
縣亮, 難波忍, 大石将之, 田中啓仁, 丸田章博, 北山研一
2014/11 Research paper (other academic)
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Bi-soliton generation and its properties in stretched pulse fiber ring laser
Xuesong Mao, Ying Xiong, Yajie Ma, Xiangcheng Chen, Akihiro Maruta
OPTICS EXPRESS Vol. 22 No. 23 p. 28506-28516 2014/11 Research paper (scientific journal)
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光アクセスシステムにおけるRSOAを用いた双方向PAM信号変調方式に関する一検討
松本怜典, Christos Stamatiadis, 吉田悠来, 丸田章博, 北山研一
2014/10 Research paper (other academic)
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Full-duplex PAM transmission in RSOA-based WDM-PON system
Ryosuke Matsumoto, Christos Stamatiadis, Yuki Yoshida, Akihiro Maruta, Ken-ichi Kitayama
2014/10 Research paper (international conference proceedings)
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Digital Coherent Technology for Optical Fiber and Radio-Over-fiber Transmission Systems
Ken-ichi Kitayama, Akihiro Maruta, Yuki Yoshida
JOURNAL OF LIGHTWAVE TECHNOLOGY Vol. 32 No. 20 p. 3411-3420 2014/10 Research paper (scientific journal)
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非線形シャノン限界と光固有値伝送
丸田章博
2014/08 Research paper (other academic)
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光固有値通信
丸田章博
2014/07 Research paper (other academic)
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Analysis of Rogue Wave Phenomenon in Optical Fiber Based on Soliton’s Eigenvalue
Gihan Weerasekara, Akihiro Tokunaga, Hiroki Terauchi, Marc Eberhard, Akihiro Maruta
2014/07 Research paper (international conference proceedings)
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Freedom Extension of SOA Placement for Uplink in 100-km Reach 10G-EPON Systems with Two-stage Repeater Amplifiers
Yasuyuki Kado, Susumu Kinoshita, Satoshi Shimizu, Naoya Wada, Akihiro Maruta, Ken-ichi Kitayama
2014/07 Research paper (international conference proceedings)
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Analysis of Rogue Wave Phenomenon in Optical Fiber Based on Soliton’s Eigenvalue
Gihan Weerasekara, Akihiro Tokunaga, Hiroki Terauchi, Marc Eberhard, Akihiro Maruta
2014/06 Research paper (other academic)
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Four Wave Mixing in Quantum Dot Semiconductor Optical Amplifiers
Giampiero Contestabile, Akihiro Maruta, Ken-Ichi Kitayama
IEEE JOURNAL OF QUANTUM ELECTRONICS Vol. 50 No. 5 p. 379-389 2014/05 Research paper (scientific journal)
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Synchronization Detection Using XGM in SOA for All-Optical Preprocessing
Daisuke Hisano, Akihiro Maruta, Ken-Ichi Kitayama
IEEE PHOTONICS TECHNOLOGY LETTERS Vol. 26 No. 10 p. 1015-1018 2014/05 Research paper (scientific journal)
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First demonstration of a scalable MDM/CDM optical access system
Takahiro Kodama, Tomoki Isoda, Koji Morita, Akihiro Maruta, Ryo Maruyama, Nobuo Kuwaki, Shoichiro Matsuo, Naoya Wada, Gabriella Cincotti, Ken-ichi Kitayama
OPTICS EXPRESS Vol. 22 No. 10 p. 12060-12069 2014/05 Research paper (scientific journal)
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Pilot-assisted CIR Estimation of a TMF for SDM Transmission
Nikolaos P. Diamantopoulos, Masaya Nakazawa, Yuki Yoshida, Tomoki Isoda, Akihiro Maruta, Ryo Maruyama, Nobuo Kuwaki, Shoichiro Matsuo(Fujikura, Ken-ichi Kitayama
2014/03 Research paper (other academic)
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光固有値変調方式の波長分割多重伝送への適用
豊田彰史, 寺内大樹, 松田雄大, 丸田章博
2014/03 Research paper (other academic)
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Analysis of Rogue Wave Phenomenon in Optical Fiber Based on Soliton Theory
Gihan Weerasekara, Akihiro Tokunaga, Hiroki Terauchi, Akihiro Maruta, Marc Eberhar, アストン大
2014/03 Research paper (other academic)
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アレイ形導波路回折格子を用いた低消費電力光量子化技術
小玉崇宏, 丸田章博, 小西毅, 北山研一
2014/03 Research paper (other academic)
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半導体光増幅器におけるゲインクランプ電流のフィードフォーワードによるパターン効果の抑圧
久野大介, 丸田章博, 北山研一
2014/02 Research paper (other academic)
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固有値変調光伝送システムにおける固有値の雑音耐性
寺内大樹, 丸田章博
2014/02 Research paper (other academic)
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固有値多重による多値変調光伝送方式の検討
松田雄大, 寺内大樹, 丸田章博
2014/02 Research paper (other academic)
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Mode division multiplexing transmission and network - Revisit of two-mode fiber in 70’s -
Ken-ichi Kitayama, Akihiro Maruta, Yuki Yoshida, Diamantopoulos Nikol, Masaya Nakazawa, Tomoki Isoda
2014/02 Research paper (other academic)
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MODE DIVISION MULTIPLEXING NETWORK A Deployment Scenario in Metro Area Network
Ken-ichi Kitayama, Akihiro Maruta, Yuki Yoshida, Nikolaos P. Diamantopoulos, Yue-Cai Huang, Masaya Nakazawa, Tomoki Isoda
2014 IEEE GLOBAL COMMUNICATIONS CONFERENCE (GLOBECOM 2014) p. 2154-2159 2014 Research paper (international conference proceedings)
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Performance Upgrade of Low-Bandwidth RSOA Devices Using 4-PAM and Pre-equalization
Christos Stamatiadis, Y. Yoshida, R. Matsumoto, A. Agata, A. Maruta, K. I. Kitayama
2014 IEEE PHOTONICS CONFERENCE (IPC) p. 71-72 2014 Research paper (international conference proceedings)
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3xONU No-guard-band Coherent OFDMA-PON Uplink over 40km SMF link using Real-time IFDMA Transmitter with Free-running 100kHz Linewidth Source
Y. Yoshida, A. Maruta, K. Ishii, K. Onohara, Y. Akiyama, M. Noda, M. Nogami, K. Koguchi, T. Mizuochi, K. Kitayama
2014 EUROPEAN CONFERENCE ON OPTICAL COMMUNICATION (ECOC) 2014 Research paper (international conference proceedings)
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Mitigation of Pattern Effect in Semiconductor Optical Amplifier by Feed-forward Gain Clamped Current Injection
Daisuke Hisano, Akihiro Maruta, Ken-ichi Kitayama
2014 OPTOELECTRONICS AND COMMUNICATIONS CONFERENCE AND AUSTRALIAN CONFERENCE ON OPTICAL FIBRE TECHNOLOGY (OECC/ACOFT 2014) p. 720-722 2014 Research paper (international conference proceedings)
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Experimental Study on the DSP-enabled Remote Carrier Synchronization using 12Gbps Real-time IFDMA-PON Transmitter Prototype
Y. Yoshida, A. Maruta, K. Ishii, K. Onohara, Y. Akiyama, M. Noda, M. Nogami, K. Koguchi, T. Mizuochi, K. Kitayama
2014 OPTOELECTRONICS AND COMMUNICATIONS CONFERENCE AND AUSTRALIAN CONFERENCE ON OPTICAL FIBRE TECHNOLOGY (OECC/ACOFT 2014) p. 928-+ 2014 Research paper (international conference proceedings)
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Pilot-assisted Channel Impulse Response Estimation of 102.6-km DMGD-Compensated FMF link over C-Band for MIMO Transmission
Nikolaos P. Diamantopoulos, Masaya Nakazawa, Yuki Yoshida, Tomoki Isoda, Akihiro Maruta, Ryo Maruyama, Nobuo Kuwaki, Shoichiro Matsuo, Ken-ichi Kitayama
2014 OPTOELECTRONICS AND COMMUNICATIONS CONFERENCE AND AUSTRALIAN CONFERENCE ON OPTICAL FIBRE TECHNOLOGY (OECC/ACOFT 2014) p. 232-+ 2014 Research paper (international conference proceedings)
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Design of Eigenvalue-multiplexed Multi-level Modulation Optical Transmission System
Yuki Matsuda, Hiroki Terauchi, Akihiro Maruta
2014 OPTOELECTRONICS AND COMMUNICATIONS CONFERENCE AND AUSTRALIAN CONFERENCE ON OPTICAL FIBRE TECHNOLOGY (OECC/ACOFT 2014) p. 1016-1018 2014 Research paper (international conference proceedings)
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Noise Tolerance of Eigenvalue Modulated Optical Transmission System Based on Digital Coherent Technology
Hiroki Terauchi, Yuki Matsuda, Akifumi Toyota, Akihiro Maruta
2014 OPTOELECTRONICS AND COMMUNICATIONS CONFERENCE AND AUSTRALIAN CONFERENCE ON OPTICAL FIBRE TECHNOLOGY (OECC/ACOFT 2014) p. 778-780 2014 Research paper (international conference proceedings)
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First international SDN-based Network Orchestration of Variable-capacity OPS over Programmable Flexi-grid EON
Y. Yoshida, A. Maruta, K. Kitayama, M. Nishihara, T. Tanaka, T. Takahara, J. C. Rasmussen, N. Yoshikane, T. Tsuritani, I. Morita, S. Yan, Y. Shu, M. Channegowda, Y. Yan, B. R. Rofoee, E. Hugues-Salas, G. Saridis, G. Zervas, R. Nejabati, D. Simeonidou, R. Vilalta, R. Munoz, R. Casellas, R. Martinez, M. Svaluto, J. M. Fabrega, A. Aguado, V. Lopez, J. Marhuenda, O. Gonzalez de Dios, J. P. Fernandez-Palacios
2014 OPTICAL FIBER COMMUNICATIONS CONFERENCE AND EXHIBITION (OFC) 2014 Research paper (international conference proceedings)
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Demonstration of 3-ONU Multiplexed Coherent IFDMA-PON Uplink System using Real-Time Prototypes
Kenji Ishii, Yuki Yoshida, Kiyoshi Onohara, Masaki Noda, Masamichi Nogami, Akihiro Maruta, Takashi Mizuochi, Ken-ichi Kitayama
2014 OPTICAL FIBER COMMUNICATIONS CONFERENCE AND EXHIBITION (OFC) 2014 Research paper (international conference proceedings)
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Asynchronous MDM-OCDM-based 10G-PON over 40km-SMF and 2km-TMF Using Mode MUX/DeMUX at Remote Node and OLT
Takahiro Kodama, Tomoki Isoda, Koji Morita, Akihiro Maruta, Ryo Maruyama, Nobuo Kuwaki, Shoichiro Matsuo, Naoya Wada, Gabriella Cincotti, Ken-ichi Kitayama
2014 OPTICAL FIBER COMMUNICATIONS CONFERENCE AND EXHIBITION (OFC) 2014 Research paper (international conference proceedings)
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Hybrid MDM/OCDM system with mode and code multi-/demultiplexers
Takahiro Kodama, Tomoki Isoda, Koji Morita, Akihiro Maruta, Ryo Maruyama, Nobuo Kuwaki, Shoichiro Matsuo, Naoya Wada, Gabriella Cincotti, Ken-ichi Kitayama
NEXT-GENERATION OPTICAL COMMUNICATION: COMPONENTS, SUB-SYSTEMS, AND SYSTEMS III Vol. 9009 2014 Research paper (international conference proceedings)
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IFDMA-PONシステムにおけるアップリンク送受信機のFPGA試作
斧原聖史, 石井健二, 秋山祐治, 野田雅樹, 野上正道, 杉原隆嗣, 水落隆司, 吉田悠来, 丸田章博, 北山研一
2014/01 Research paper (other academic)
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位相共役光生成手法に基づく偏波ダイバーシティ伝送のための光Alamouti符号化
犬童翔平, 吉田悠来, 丸田章博, 北山研一
2014/01 Research paper (other academic)
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Simple Uplink SOA Pattern Effects Compensation for Reach-Extended 10G-EPONs
Claudio Porzi, Yasuyuki Kado, Satoshi Shimizu, Akihiro Maruta, Naoya Wada, Antonella Bogoni, Ken-Ichi Kitayama
IEEE PHOTONICS TECHNOLOGY LETTERS Vol. 26 No. 2 p. 165-168 2014/01 Research paper (scientific journal)
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IFDMAを適用した上り方向PONシステムのONU試作送信器の開発
石井健二, 斧原聖史, 野田雅樹, 野上正道, 吉田悠来, 丸田章博, 水落隆司, 北山研一
2013/12 Research paper (other academic)
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多値固有値変調光伝送方式の基礎的検討
松田雄大, 寺内大樹, 丸田章博
2013/12 Research paper (other academic)
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Impact of Energy Efficient Schemes on Virtualized TWDM PONs
Luca Valcarenghi, Yuki Yoshida, Akihiro Maruta, Piero Castoldi, Ken-ichi Kitayama
2013/11 Research paper (international conference proceedings)
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Report on CLEO-PR&OECC/PS 2013
Kenko Taguchi, Kimio Oguchi, Akihiro Maruta
IEEE Photonics Society News - Conference Section Vol. 27 No. 5 p. 40-41 2013/10
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Implementation of Power-Efficient ONU for Elastic-Bandwidth IFDMA-PON Uplink by Employing Polar-Coordinate Transformed PSK Mapping [Invited]
Kenji Ishii, Kiyoshi Onohara, Yuji Akiyama, Masaki Noda, Masamichi Nogami, Kazuumi Koguchi, Yuki Yoshida, Akihiro Maruta, Takashi Mizuochi, Ken-ichi Kitayama
JOURNAL OF OPTICAL COMMUNICATIONS AND NETWORKING Vol. 5 No. 10 p. A249-A256 2013/10 Research paper (scientific journal)
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Implementation of Power-Efficient ONU for Elastic-Bandwidth IFDMA-PON Uplink by Employing Polar-Coordinate Transformed PSK Mapping [Invited]
Kenji Ishii, Kiyoshi Onohara, Yuji Akiyama, Masaki Noda, Masamichi Nogami, Kazuumi Koguchi, Yuki Yoshida, Akihiro Maruta, Takashi Mizuochi, Ken-ichi Kitayama
JOURNAL OF OPTICAL COMMUNICATIONS AND NETWORKING Vol. 5 No. 10 p. A249-A256 2013/10 Research paper (scientific journal)
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Report on CLEO-PR&OECC/PS 2013
Kenko Taguchi, Kimio Oguchi, Akihiro Maruta
IEICE Communications Society - Global News Letter, IEICE-CS Related Conference Reports Vol. 37 No. 3 p. 10-11 2013/09
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Phase-mismatching FWM method for the measurement of SSMF’s chromatic dispersion and nonlinear coefficients
Guoxiu Huang, Yoshinori Yamamoto, Masaaki Hirano, Akihiro Maruta, Takashi Sasaki, Kenichi Kitayama
2013/09 Research paper (other academic)
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半導体光増幅器中の相互利得変調を用いたタイミング抽出器
久野大介, 丸田章博, 北山研一
2013/09 Research paper (other academic)
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IFDMA技術を用いたPONシステム上り方向の低消費電力送信器の試作
石井健二, 斧原聖史, 秋山祐治, 野田雅樹, 野上正道, 小口和海, 吉田悠来, 丸田章博, 水落隆司, 北山研一
2013/09 Research paper (other academic)
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OFDMA方式に基づくエラスティック光アクセス
吉田悠来, 丸田章博, 北山研一, 石井健二, 秋山祐治, 斧原聖史, 野田雅樹, 小口和海, 野上正道, 水落隆司
2013/09 Research paper (other academic)
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A Circuit Implementation of Power-saved ONU Modulation Processing for IFDMA-PON System using a Polar Coordinate Transformation
Ishii Kenji, Onohara Kiyoshi, Akiyama Yuji, Noda Masaki, Koguchi Kazuumi, Nogami Masamichi, Yoshida Yuki, Maruta Akihiro, Mizuochi Takashi, Kitayama Ken-ichi
Technical report of IEICE. OCS Vol. 113 No. 182 p. 43-48 2013/08 Research paper (other academic)
Publisher: The Institute of Electronics, Information and Communication Engineers
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Over 80 dB Uplink Loss Budget of GE-PON System Using 3-cascaded 1.3 μm SOAs
KADO Yasuyuki, KINOSHITA Susumu, SHIMIZU Satoshi, PORZI Claudio, WADA Naoya, MARUTA Akihiro, KITAYAMA Ken-ichi
Vol. 113 No. 175 p. 25-28 2013/08 Research paper (other academic)
Publisher: The Institute of Electronics, Information and Communication Engineers
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Straightforward method for measuring optical fiber's nonlinear coefficient based on phase mismatching FWM
Guoxiu Huang, Yoshinori Yamamoto, Masaaki Hirano, Akihiro Maruta, Takashi Sasaki, Kenichi Kitayama
OPTICS EXPRESS Vol. 21 No. 17 p. 20463-20469 2013/08 Research paper (scientific journal)
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Experimental Demonstration of All-Optical Network Coding by Use of SOA-MZI Wavelength Converters
HISANO Daisuke, MARUTA Akihiro, OHATA Nobuo, ARUGA Hiroshi, ISHIMURA Eitaro, SUGITATSU Atsushi, KITAYAMA Ken-ichi
Technical report of IEICE. OCS Vol. 113 No. 156 p. 1-5 2013/07 Research paper (other academic)
Publisher: The Institute of Electronics, Information and Communication Engineers
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An energy-efficient and elastic optical multiple access system based on coherent interleaved frequency division multiple access
Yuki Yoshida, Akihiro Maruta, Kenji Ishii, Yuji Akiyama, Tsuyoshi Yoshida, Naoki Suzuki, Kazuumi Koguchi, Junichi Nakagawa, Takashi Mizuochi, Ken-Ichi Kitayama
Optics Express Vol. 21 No. 10 p. 12282-12301 2013/05/20 Research paper (scientific journal)
Publisher: Optical Society of American (OSA)
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Coherent Wavelength Conversion in a Quantum Dot SOA
Giampiero Contestabile, Yuki Yoshida, Akihiro Maruta, Ken-Ichi Kitayama
IEEE PHOTONICS TECHNOLOGY LETTERS Vol. 25 No. 9 p. 791-794 2013/05 Research paper (scientific journal)
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Experimental demonstration of wavelength-shift-free optical phase conjugation using orthogonal pumps
Shohei Inudo, Yuki Yoshida, Akihiro Maruta, Ken-Ichi Kitayama
2013 18th OptoElectronics and Communications Conference Held Jointly with 2013 International Conference on Photonics in Switching, OECC/PS 2013 2013 Research paper (international conference proceedings)
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Mode division multiplexed transmission through two-mode fiber using space-optics based mode multiplexer/demultiplexer
Tomoki Isoda, Hiroki Terauchi, Keitaro Tatsumi, Akihiro Maruta, Ryo Maruyama, Nobuo Kuwaki, Shoichiro Matsuo, Ken-Ichi Kitayama
2013 18th OptoElectronics and Communications Conference Held Jointly with 2013 International Conference on Photonics in Switching, OECC/PS 2013 2013 Research paper (international conference proceedings)
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Dispersion tolerance of all-optical modulation format conversion from NRZ-OOK to RZQPSK using XPM in nonlinear fiber
Weiming Yao, Hiroki Terauchi, Akihiro Tokunaga, Akihiro Maruta
2013 18th OptoElectronics and Communications Conference Held Jointly with 2013 International Conference on Photonics in Switching, OECC/PS 2013 2013 Research paper (international conference proceedings)
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Demonstration of All-Optical Network Coding by using SOA-MZI based XOR Gates
Daisuke Hisano, Akihiro Maruta, Ken-ichi Kitayama
2013 OPTICAL FIBER COMMUNICATION CONFERENCE AND EXPOSITION AND THE NATIONAL FIBER OPTIC ENGINEERS CONFERENCE (OFC/NFOEC) 2013 Research paper (international conference proceedings)
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100 nm-Bandwidth Positive-Efficiency Wavelength Conversion for m-PSK and m-QAM signals in QD-SOA
G. Contestabile, Y. Yoshida, A. Maruta, K. Kitayama
2013 OPTICAL FIBER COMMUNICATION CONFERENCE AND EXPOSITION AND THE NATIONAL FIBER OPTIC ENGINEERS CONFERENCE (OFC/NFOEC) 2013 Research paper (international conference proceedings)
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Energy-efficient optical quantization scheme with orthogonal spectral slicing by AWG for OFDM
Takahiro Kodama, Ryosuke Matsumoto, Akihiro Maruta, Ken-ichi Kitayama
2013 OPTICAL FIBER COMMUNICATION CONFERENCE AND EXPOSITION AND THE NATIONAL FIBER OPTIC ENGINEERS CONFERENCE (OFC/NFOEC) 2013 Research paper (international conference proceedings)
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Timing Detector using Cross Gain Modulation in Semiconductor Optical Amplifier for Adaptive All-Optical Signal Processing
Daisuke Hisano, Akihiro Maruta, Ken-ichi Kitayama
2013 18TH MICROOPTICS CONFERENCE (MOC) 2013 Research paper (international conference proceedings)
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First all-optical alamouti coding demonstration for polarization diversity transmissions via optical phase conjugation
Shohei Inudo, Yuki Yoshida, Akihiro Maruta, Ken-Ichi Kitayama
IET Conference Publications Vol. 2013 No. 622 p. 1041-1043 2013 Research paper (international conference proceedings)
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Ultra-broad band, low power, highly efficient coherent wavelength conversion in quantum dot SOA
G. Contestabile, Y. Yoshida, A. Maruta, K. Kitayama
OPTICS EXPRESS Vol. 20 No. 25 p. 27902-27907 2012/12 Research paper (scientific journal)
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All-optical technique for modulation format conversion from NRZ-OOK to RZ-16QAM employing nonlinear optical loop mirror with 1:2 coupler
Guoxiu Huang, Yuji Miyoshi, Akihiro Maruta, Ken-ichi Kitayama
OPTICS EXPRESS Vol. 20 No. 24 p. 27311-27321 2012/11 Research paper (scientific journal)
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Experimental demonstration of all-optical modulation format conversion from NRZ-OOK to RZ-8APSK based on fiber nonlinearity
Akihiro Maruta, Nozomi Hashimoto
Optics InfoBase Conference Papers 2012 Research paper (international conference proceedings)
Publisher: Optical Society of America (OSA)
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Experimental demonstration of 2xONU 30Gbps digitally-supported-coherent IFDMA-PON uplink
Yuki Yoshida, Kenji Ishii, Akihiro Maruta, Yuji Akiyama, Tsuyoshi Yoshida, Naoki Suzuki, Kazuumi Koguchi, Junichi Nakagawa, Takashi Mizuochi, Ken-Ichi Kitayama
2012 Optical Fiber Communication Conference and Exposition and the National Fiber Optic Engineers Conference, OFC/NFOEC 2012 2012 Research paper (international conference proceedings)
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Coherent IFDMA-PON: A novel green and elastic optical access networks
Yuki Yoshida, Akihiro Maruta, Ken-Ichi Kitayama
2012 IEEE Photonics Society Summer Topical Meeting Series, PSST 2012 p. 155-156 2012 Research paper (international conference proceedings)
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On the computational complexity of MIMO processing in mode division multiplexing transmission over 2-mode fiber
Masaya Nakazawa, Yuki Yoshida, Akihiro Maruta, Ken-Ichi Kitayama
Technical Digest - 2012 17th Opto-Electronics and Communications Conference, OECC 2012 p. 755-756 2012 Research paper (international conference proceedings)
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All-optical modulation format conversion from 4 channels NRZ-OOK to RZ-16 QAM based on cross phase modulation in optical fibers
Akihiro Tokunaga, Nozomi Hashimoto, Akihiro Maruta
Technical Digest - 2012 17th Opto-Electronics and Communications Conference, OECC 2012 p. 333-334 2012 Research paper (international conference proceedings)
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Efficient high order phase noise compensation scheme for OFDMA PON systems
Y. Akiyama, K. Ishii, T. Yoshida, N. Suzuki, T. Ichikawa, K. Koguchi, J. Nakagawa, T. Mizuochi, Y. Yoshida, A. Maruta, K. Kitayama
Technical Digest - 2012 17th Opto-Electronics and Communications Conference, OECC 2012 p. 140-141 2012 Research paper (international conference proceedings)
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Design of all-optical NRZ-OOK/RZ-QPSK modulation format converter by use of cross phase modulation in optical fiber
Hiroki Terauchi, Akihiro Tokunaga, Nana Horaguchi, Akihiro Maruta
Technical Digest - 2012 17th Opto-Electronics and Communications Conference, OECC 2012 p. 899-900 2012 Research paper (international conference proceedings)
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Wavelength multicasting accompanied with all-optical modulation format conversion from NRZ-OOK to RZ-BPSK using SOA-MZI wavelength converter
Daisuke Hisano, Tomonori Kono, Akihiro Maruta, Nobuo Ohata, Hiroshi Aruga, Eitaro Ishimura, Atsushi Sugitatsu, Ken-Ichi Kitayama
Technical Digest - 2012 17th Opto-Electronics and Communications Conference, OECC 2012 p. 897-898 2012 Research paper (international conference proceedings)
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All-optical OOK-to-16QAM format conversion by using SOA-MZI wavelength converters
Ken Mishina, Tomonori Kono, Akihiro Maruta, Ken-Ichi Kitayama
Technical Digest - 2012 17th Opto-Electronics and Communications Conference, OECC 2012 p. 337-338 2012 Research paper (international conference proceedings)
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All-Optical Modulation Format Conversion from 4-channels NRZ-OOK to RZ-16QAM using SOA-MZI Wavelength Converters
Daisuke Hisano, Akihiro Maruta, Ken-ichi Kitayama
2012 IEEE PHOTONICS CONFERENCE (IPC) p. 106-107 2012 Research paper (international conference proceedings)
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The effect of ASE on XPM employed all optical OOK to Multi-level modulation format conversion
Guoxiu Huang, Yuji Miyoshi, Akihiro Maruta, Ken-ichi Kitayama
2012 ASIA COMMUNICATIONS AND PHOTONICS CONFERENCE (ACP) 2012 Research paper (international conference proceedings)
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Green, Elastic Coherent IFDMA-PON for Next-Generation Access Network
Ken-ichi Kitayama, Yuki Yoshida, Akihiro Maruta
2012 14TH INTERNATIONAL CONFERENCE ON TRANSPARENT OPTICAL NETWORKS (ICTON 2012) 2012 Research paper (international conference proceedings)
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Low-power consumption DSP circuit design for IFDMA-based PON systems
Kenji Ishii, Yuji Akiyama, Tsuyoshi Yoshida, Naoki Suzuki, Toshiyuki Ichikawa, Kazuumi Koguchi, Junichi Nakagawa, Takashi Mizuochi, Yuki Yoshida, Akihiro Maruta, Ken-Ichi Kitayama
16th Opto-Electronics and Communications Conference, OECC 2011 p. 770-771 2011 Research paper (international conference proceedings)
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Regenerative Amplification in a Quantum Dot SOA
G. Contestabile, A. Maruta, S. Sekiguchi, K. Morito, M. Sugawara, K. Kitayama
2010 CONFERENCE ON OPTICAL FIBER COMMUNICATION OFC COLLOCATED NATIONAL FIBER OPTIC ENGINEERS CONFERENCE OFC-NFOEC 2010 Research paper (international conference proceedings)
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Optical performance monitoring in phase-modulated transmission systems
Bartlomiej Kozicki, Hidehiko Takara, Akihiro Maruta, Ken-ichi Kitayama
2009 14TH OPTOELECTRONICS AND COMMUNICATIONS CONFERENCE (OECC 2009) p. 718-+ 2009 Research paper (international conference proceedings)
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Routing and wavelength assignment encompassing FWM in WDM lightpath networks
Adelys Marsden, Akihiro Maruta, Ken-Ichi Kitayama
ONDM 2008 - 12th Conference on Optical Network Design and Modelling 2008 Research paper (international conference proceedings)
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Transparent performance monitoring of RZ-DQPSK systems employing delay-tap sampling
Bartlomiej Kozicki, Akihiro Maruta, Ken-ichi Kitayama
JOURNAL OF OPTICAL NETWORKING Vol. 6 No. 11 p. 1257-1269 2007/11 Research paper (scientific journal)
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All-optical modulation format conversion from on-off-keying to multiple-level phase-shift-keying based on nonlinearity in optical fiber
Ken Mishina, Satoru Kitagawa, Akihiro Maruta
OPTICS EXPRESS Vol. 15 No. 13 p. 8444-8453 2007/06 Research paper (scientific journal)
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Multi-functional all-optical tunable delay line combined with wavelength converter
Takashi Kunihiro, Tomochika Kanou, Shoichiro Oda, Akihiro Maruta
Optics InfoBase Conference Papers 2007 Research paper (international conference proceedings)
Publisher: Optical Society of America (OSA)
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Asynchronous optical performance monitoring of RZ-DQPSK signals using delay-tap sampling
Bartłomiej Kozicki, Akihiro Maruta, Ken-Ichi Kitayama
2007 33rd European Conference and Exhibition of Optical Communication, ECOC 2007 2007 Research paper (international conference proceedings)
Publisher: Institute of Electrical and Electronics Engineers Inc.
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Parameter range of bi-soliton propagating in dispersion-managed system
Akihiro Maruta
Conference on Lasers and Electro-Optics Europe - Technical Digest 2003 Research paper (international conference proceedings)
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Bi-soliton pulse in a dispersion-managed optical transmission system and its application
Y Nonaka, T Inoue, A Maruta
ELECTRONICS AND COMMUNICATIONS IN JAPAN PART I-COMMUNICATIONS Vol. 86 No. 3 p. 44-52 2003 Research paper (scientific journal)
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Bi-soliton propagation in dispersion-managed system and its application
A Maruta, T Inoue, Y Nonaka, Y Yoshika
APPLICATIONS OF PHOTONIC TECHNOLOGY 5 Vol. 4833 p. 1134-1145 2002 Research paper (international conference proceedings)
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All-optical analog-to-digital conversion utilizing nonlinear phenomena in fiber
A Maruta, Y Yamamoto, S Oda, K Kitayama
2002 IEEE/LEOS ANNUAL MEETING CONFERENCE PROCEEDINGS, VOLS 1 AND 2 p. 430-431 2002 Research paper (international conference proceedings)
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Interactions between dispersion-managed solitons in optical-time-division-multiplexed systems
T Inoue, H Sugahara, A Maruta, Y Kodama
ELECTRONICS AND COMMUNICATIONS IN JAPAN PART II-ELECTRONICS Vol. 84 No. 6 p. 24-29 2001 Research paper (scientific journal)
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Analysis of timing jitter for a wavelength-division-multiplexed dispersion-managed optical soliton transmission system
H Sugahara, Y Nonaka, A Maruta, Y Kodama
ELECTRONICS AND COMMUNICATIONS IN JAPAN PART I-COMMUNICATIONS Vol. 84 No. 10 p. 10-15 2001 Research paper (scientific journal)
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Pre-spread RZ pulse transmission for reducing intra-channel nonlinear interactions
T Inoue, A Maruta
LEOS 2000 - IEEE ANNUAL MEETING CONFERENCE PROCEEDINGS, VOLS. 1 & 2 p. 92-93 2000 Research paper (international conference proceedings)
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Nonlinear pulses in ultra-fast optical communications
Cautaerts, V, Y Kodama, A Maruta, H Sugahara
OPTICAL SOLITONS: THEORETICAL CHALLENGES AND INDUSTRIAL PERSPECTIVES No. 12 p. 147-169 1999 Research paper (international conference proceedings)
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Applicability of theoretical approaches for dispersion managed solitons
Cautaerts, V, A Maruta, Y Kodama
OPTICAL AMPLIFIERS AND THEIR APPLICATIONS Vol. 30 p. 372-375 1999 Research paper (international conference proceedings)
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Analysis of timing jitter for a wavelength-division-multiplexed optical soliton transmission system
H Sugahara, A Maruta, Y Kodama
OPTICAL AMPLIFIERS AND THEIR APPLICATIONS Vol. 30 p. 360-363 1999 Research paper (international conference proceedings)
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Timing jitter for a WDM system with a strong dispersion management
H. Sugahara, Y. Nonaka, A. Maruta, Y. Kodama
5th Asia-Pacific Conference Communications and 4th Optoloelectronics Communications Conference: The Conference-Vitality to New Century, APCC/OECC 1999 Vol. 1 p. 387-389 1998 Research paper (international conference proceedings)
Publisher: Institute of Electrical and Electronics Engineers Inc.
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Interactions between dispersion managed solitons in optical-Time-division-multiplexed system
T. Inoue, H. Sugahara, A. Maruta, Y. Kodama
5th Asia-Pacific Conference Communications and 4th Optoloelectronics Communications Conference: The Conference-Vitality to New Century, APCC/OECC 1999 Vol. 1 p. 375-377 1998 Research paper (international conference proceedings)
Publisher: Institute of Electrical and Electronics Engineers Inc.
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Analysis of Gordon-Haus jitter in dispersion compensated optical fibers
T Okamawari, A Maruta, Y Kodama
NEW TRENDS IN OPTICAL SOLITON TRANSMISSION SYSTEMS Vol. 5 p. 245-260 1998 Research paper (international conference proceedings)
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Nonlinear interaction between guiding center solitons in a periodically dispersion compensated optical transmission line
T Okamawari, Y Ueda, A Maruta, Y Kodama, A Hasegawa
IOOC-ECOC 97 - 11TH INTERNATIONAL CONFERENCE ON INTEGRATED OPTICS AND OPTICAL FIBRE COMMUNICATIONS / 23RD EUROPEAN CONFERENCE ON OPTICAL COMMUNICATIONS, VOL 3 No. 448 p. 227-230 1997 Research paper (international conference proceedings)
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Parametric cooling of solitons
VS Grigoryan, A Hasegawa, A Maruta
PHYSICS AND APPLICATIONS OF OPTICAL SOLITONS IN FIBRES '95 Vol. 3 p. 59-73 1996 Research paper (international conference proceedings)
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Transmission Control Techniques in Optical Soliton Communication System
MARUTA Akihiro
rle Vol. 15 p. 251-254 1995/01/01
Publisher: The Laser Society of Japan
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FINITE-ELEMENT ANALYSIS OF 3-DIMENSIONAL WAVE-GUIDE TRANSFER PROBLEM-APPLICATION TO COAXIAL LINE SYSTEM
H URANO, A MARUTA, M MATSUHARA
ELECTRONICS AND COMMUNICATIONS IN JAPAN PART II-ELECTRONICS Vol. 77 No. 5 p. 39-46 1994/05 Research paper (scientific journal)
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TRANSPARENT BOUNDARY FOR FINITE-ELEMENT BEAM-PROPAGATION METHOD
A MARUTA, Y ARAI, M MATSUHARA
ELECTRONICS AND COMMUNICATIONS IN JAPAN PART II-ELECTRONICS Vol. 77 No. 5 p. 32-38 1994/05 Research paper (scientific journal)
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Analysis of second-order nonlinear interactions in an optical waveguide by the Galerkin method
Akihiro Maruta, Yasuhiro Kawata, Masanori Matsuhara
Electronics and Communications in Japan, Part II: Electronics (English translation of Denshi Tsushin Gakkai Ronbunshi) Vol. 74 No. 1 p. 55-61 1991/01 Research paper (scientific journal)
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ANALYSIS OF THE LIGHTWAVE PROPAGATION IN THE BENT WAVE-GUIDE BY THE GALERKIN METHOD
A MARUTA, M MATSUHARA
INTEGRATED OPTICAL CIRCUITS Vol. 1583 p. 307-313 1991 Research paper (international conference proceedings)
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BOUNDARY ELEMENT ANALYSIS OF ELECTROMAGNETIC-FIELD IN CYLINDRICAL STRUCTURES
M MATSUHARA, M KAMURA, A MARUTA
INTERNATIONAL CONFERENCE ON COMPUTATION IN ELECTROMAGNETICS Vol. 350 p. 43-46 1991 Research paper (international conference proceedings)