Wireless Data Transmission Using a Resonant Tunneling Diode Transmitter and Receiver at a Frequency Range Exceeding 800 GHz

Feifan Han, Nguyen H. Ngo, Masayuki Fujita, Safumi Suzuki

2024 49th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)　p. 1-2　2024/09/01　Research paper (international conference proceedings)

Terahertz Slot Waveguide for Taperless Interfacing

Nguyen H. Ngo, Weijie Gao, Mingxiang Li, Withawat Withayachumnankul, Masayuki Fujita

2024 49th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)　p. 1-2　2024/09/01　Research paper (international conference proceedings)

Resonant Tunneling Diode Transceiver For Integrated Terahertz Band 3D Image Sensor

Li Yi, Yuta Inose, Nguyen H. Ngo, Suyun Wang, Yosuke Nishida, Masayuki Fujita

2024 49th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)　p. 1-2　2024/09/01　Research paper (international conference proceedings)

Terahertz Silicon Waveguide Interconnections for On-chip Communications

Daiki Ichikawa, Yuma Kawamoto, Takahiro Ohara, Michihiko Tanaka, Weijie Gao, Shuichi Murakami, Yoshiharu Yamada, Hidemasa Yamane, Yosuke Nishida, Masayuki Fujita, Tadao Nagatsuma

2024 49th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)　p. 1-2　2024/09/01　Research paper (international conference proceedings)

Ultra‐Wideband Terahertz Integrated Polarization Multiplexer

Weijie Gao, Masayuki Fujita, Shuichi Murakami, Tadao Nagatsuma, Christophe Fumeaux, Withawat Withayachumnankul

Laser & Photonics Reviews　Vol. 19　No. 1　2024/08/29　Research paper (scientific journal)

Phase-resolved measurement and control of ultrafast dynamics in terahertz electronic oscillators

Takashi Arikawa, Jaeyong Kim, Toshikazu Mukai, Naoki Nishigami, Masayuki Fujita, Tadao Nagatsuma, Koichiro Tanaka

Nature Communications　Vol. 15　No. 1　2024/07/02　Research paper (scientific journal)

Terahertz radar with all-dielectric leaky-wave antenna

Harrison Lees, Daniel Headland, Shuichi Murakami, Masayuki Fujita, Withawat Withayachumnankul

APL Photonics　2024/03/01　Research paper (scientific journal)

THz Near-Field Imaging Sensor Using Integrated Substrateless Silicon Interferometer

Shuya Iwamatsu, Daniel Headland, Israa Mohammad, Masayuki Fujita, Andreas Stohr

2024 15th German Microwave Conference, GeMiC 2024　p. 221-224　2024　Research paper (international conference proceedings)

Deflection of electromagnetic waves by pseudogravity in distorted photonic crystals

Kanji Nanjyo, Yuki Kawamoto, Hitoshi Kitagawa, Daniel Headland, Masayuki Fujita, Kyoko Kitamura

Physical Review A　2023/09/28　Research paper (scientific journal)

Terahertz integration platforms using substrateless all-silicon microstructures

Daniel Headland, Masayuki Fujita, Guillermo Carpintero, Tadao Nagatsuma, Withawat Withayachumnankul

APL Photonics　2023/09/01　Research paper (scientific journal)

Terahertz link with orthogonal polarization over silicon dielectric waveguide

Ratmalgre Koala, Kei Iyoda, Masayuki Fujita, Tadao Nagatsuma

Electronics Letters　Vol. 59　No. 14　2023/07/24　Research paper (scientific journal)

Multi‐level wireless transmission using resonant tunneling diodes in 300‐GHz band

Julian Webber, Takumi Yamamoto, Naoki Nishigami, Yosuke Nishida, Masayuki Fujita, Tadao Nagatsuma

Electronics Letters　Vol. 59　No. 5　2023/03/05　Research paper (scientific journal)

Terahertz fiber link using dielectric silicon waveguide interface

Ratmalgre Koala, Kei Iyoda, Weijie Gao, Yuji Matsuura, Masayuki Fujita, Tadao Nagatsuma

Optics Express　Vol. 31　No. 5　p. 7351-7351　2023/02/14　Research paper (scientific journal)

Mitigating the Timing-Jitter in Terahertz Communications via Nyquist Pulse Shaping

Mohamed Shehata, Ke Wang, Julian Webber, Masayuki Fujita, Tadao Nagatsuma, Withawat Withayachumnankul

2023 Optical Fiber Communications Conference and Exhibition, OFC 2023 - Proceedings　2023　Research paper (international conference proceedings)

3D Printed Terahertz Lens Antenna Fed by Effective-Medium-Clad Dielectric Waveguide

Weijie Gao, Withawat Withayachumnankul, Masayuki Fujita, Tadao Nagatsuma

2023 35th General Assembly and Scientific Symposium of the International Union of Radio Science, URSI GASS 2023　2023　Research paper (international conference proceedings)

Terahertz Integrated Polarization Rotator Based on Effective-Medium-Clad Waveguide

Weijie Gao, Withawat Withayachumnankul, Masayuki Fujita, Tadao Nagatsuma

International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz　2023　Research paper (international conference proceedings)

200 Gbit/s terahertz tunneling demultiplexer in 300 GHz band

Daniel Headland, Withawat Withayachumnankul, Masayuki Fujita, Tadao Nagatsuma, Pascal Szriftgiser, Guillaume Ducournau

International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz　2023　Research paper (international conference proceedings)

Integration of Terahertz Resonant Tunneling Diode with Broadband Dielectric Waveguide using Corrugated Mode Converter

Yuma Kawamoto, Koki Kawaguchi, Michihiko Tanaka, Yosuke Nishida, Masayuki Fujita, Tadao Nagatsuma

Asia-Pacific Microwave Conference Proceedings, APMC　p. 655-657　2023　Research paper (international conference proceedings)

WR-2.2-Band (330-500 GHz) Packaged Resonant Tunneling Diode Receiver Module for Terahertz Communications

Nguyen H. Ngo, Yuta Inose, Yuma Kawamoto, Yosuke Nishida, Masayuki Fujita, Tadao Nagatsuma

Asia-Pacific Microwave Conference Proceedings, APMC　p. 399-401　2023　Research paper (international conference proceedings)

Evaluation of Polymer Dielectric Properties in Terahertz Band using Planar Resonator

Daiki Ichikawa, Masataka Terai, Motoharu Haga, Masayuki Fujita, Tadao Nagatsuma

Asia-Pacific Microwave Conference Proceedings, APMC　Vol. 70th　p. 497-499　2023

300-GHz-Band Diplexer Module for Frequency-Division Multiplexed Wireless Communications

Yuma Kawamoto, Toki Yoshioka, Norihiko Shibata, Daniel Headland, Masayuki Fujita, Ryo Koma, Ryo Igarashi, Kazutaka Hara, Jun-ichi Kani, Tadao Nagatsuma

2022 Asia-Pacific Microwave Conference (APMC)　Vol. E106.C　No. 11　p. 722-726　2022/11/29　Research paper (international conference proceedings)

Terahertz Oscillator Chips Backside-Coupled to Unclad Microphotonics

Daniel Jonathan Headland, Yosuke Nishida, Xiongbin Yu, Masayuki Fujita, Tadao Nagatsuma

IEEE Journal of Selected Topics in Quantum Electronics　Vol. 29　No. 3: Photon. Elec. Co-Inte. and Ad　p. 1-10　2022/10/25　Research paper (scientific journal)

Ultra-Wideband Frequency Modulated Continuous Wave Photonic Radar System for Three-Dimensional Terahertz Synthetic Aperture Radar Imaging

Li Yi, Ryohei Kaname, Ryoko Mizuno, Yihan Li, Masayuki Fujita, Hiroshi Ito, Tadao Nagatsuma

Journal of Lightwave Technology　Vol. 40　No. 20　p. 6719-6728　2022/10/15　Research paper (scientific journal)

Terahertz topological photonic integrated circuits for 6G and beyond: A Perspective

Abhishek Kumar, Manoj Gupta, Prakash Pitchappa, Nan Wang, Masayuki Fujita, Ranjan Singh

Journal of Applied Physics　2022/10/14　Research paper (scientific journal)

WR-1-Band Packaged Low-Loss Unclad Silicon Waveguide Module

Ratmalgre A. S. D. Koala, Shibata Norihiko, Masayuki Fujita, Tadao Nagatsuma

2022 47th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz)　Vol. 2022-August　2022/08/28　Research paper (international conference proceedings)

Terahertz Multiplexers Based on Valley Photonic Crystals

Kei Iyoda, Masayuki Fujita, Tadao Nagatsuma

2022 47th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz)　Vol. 2022-August　2022/08/28　Research paper (international conference proceedings)

THz Imaging System with a Single Resonant Tunneling Diode Transceiver in 300-GHz Band

Ryoko Mizuno, Ryohei Kaname, Yosuke Nishida, Li Yi, Masayuki Fujita, Tadao Nagatsuma

2022 47th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz)　Vol. 2022-August　2022/08/28　Research paper (international conference proceedings)

Output Power Enhancement in Photonic-Based RF Generation by Optical Pulse Compression: Performance Improvement of 300-GHz band 10-Gbit/s ASK system

Keita Toichi, Yuta Uemura, Keita Ogawa, Wataru Tada, Masayuki Suzuki, Hiroyuki Toda, Masayuki Fujita, Tadao Nagatsuma

Proceedings of the 2022 Conference on Lasers and Electro-Optics Pacific Rim　2022/08/01　Research paper (international conference proceedings)

Ultra-Low-Loss and Broadband All-Silicon Dielectric Waveguides for WR-1 Band (0.75–1.1 THz) Modules

Ratmalgre Koala, Ryoma Maru, Kei Iyoda, Li Yi, Masayuki Fujita, Tadao Nagatsuma

Photonics　Vol. 9　No. 8　p. 515-515　2022/07/24　Research paper (scientific journal)

フォトニクス技術を利用したテラヘルツ無線通信

永妻 忠夫, 冨士田 誠之, 易 利, ウエバー ジュリアン, 胡間 遼, 五十嵐 稜, 原 一貴, 可児 淳一

レーザー研究　Vol. 50　No. 5　p. 243-247　2022/05　Research paper (scientific journal)

Silicon Dielectric Diplexer Module for 600-GHz-B and Frequency-Division Multiplexing Wireless Communication

Norihiko Shibata, Yuta Uemura, Yuma Kawamoto, Li Yi, Masayuki Fujita, Tadao Nagatsuma

IEEE TRANSACTIONS ON TERAHERTZ SCIENCE AND TECHNOLOGY　Vol. 12　No. 4　p. 334-344　2022/04/19　Research paper (scientific journal)

Nanophotonics-inspired all-silicon waveguide platforms for terahertz integrated systems

Ratmalgre A. S. D. Koala, Masayuki Fujita, Tadao Nagatsuma

NANOPHOTONICS　Vol. 11　No. 9　p. 1741-1759　2022/02/08

PAM4 48-Gbit/s wireless communication using a resonant tunneling diode in the 300-GHz band

Atsushi Oshiro, Naoki Nishigami, Takumi Yamamoto, Yosuke Nishida, Julian Webber, Masayuki Fujita, Tadao Nagatsuma

IEICE ELECTRONICS EXPRESS　Vol. 19　No. 2　2022/01　Research paper (scientific journal)

Timing-Jitter Tolerant Nyquist Pulse for Terahertz Communications

Mohamed Shehata, Ke Wang, Julian Webber, Masayuki Fujita, Tadao Nagatsuma, Withawat Withayachumnankul

JOURNAL OF LIGHTWAVE TECHNOLOGY　Vol. 40　No. 2　p. 557-564　2022/01　Research paper (scientific journal)

Broadband terahertz resonant tunnelling diode transmitter integrated with coplanar-waveguide-fed slot-ring antenna

Shuya Iwamatsu, Naoki Nishigami, Yosuke Nishida, Masayuki Fujita, Tadao Nagatsuma

ELECTRONICS LETTERS　Vol. 57　No. 25　p. 1001-1003　2021/12　Research paper (scientific journal)

IEEE 802.15.3d-Compliant Waveforms for Terahertz Wireless Communications

Mohamed Shehata, Ke Wang, Julian Webber, Masayuki Fujita, Tadao Nagatsuma, Withawat Withayachumnankul

JOURNAL OF LIGHTWAVE TECHNOLOGY　Vol. 39　No. 24　p. 7748-7760　2021/12　Research paper (scientific journal)

Terahertz Band Communications With Topological Valley Photonic Crystal Waveguide

Julian Webber, Yuichiro Yamagami, Guillaume Ducournau, Pascal Szriftgiser, Kei Iyoda, Masayuki Fujita, Tadao Nagatsuma, Ranjan Singh

JOURNAL OF LIGHTWAVE TECHNOLOGY　Vol. 39　No. 24　p. 7609-7620　2021/12　Research paper (scientific journal)

Towards Practical Terahertz Imaging System With Compact Continuous Wave Transceiver

Li Yi, Yosuke Nishida, Tomoki Sagisaka, Ryohei Kaname, Ryoko Mizuno, Masayuki Fujita, Tadao Nagatsuma

JOURNAL OF LIGHTWAVE TECHNOLOGY　Vol. 39　No. 24　p. 7850-7861　2021/12　Research paper (scientific journal)

Hybrid Integration Between Resonant Tunneling Diodes and Unclad Microphotonic Diplexer for Dual-Channel Coherent Terahertz Receiver

Xiongbin Yu, Daniel Headland, Yosuke Nishida, Ratmalgre Alex Sylvestere Desire Koala, Jaeyoung Kim, Masayuki Fujita, Tadao Nagatsuma

IEEE JOURNAL OF SELECTED TOPICS IN QUANTUM ELECTRONICS　Vol. 28　No. 3　p. 1-10　2021/11/25　Research paper (scientific journal)

Experimental Verification of Output Power Enhancement in Photonic-based 300-GHz Generation by Optical Pulse Compression

Wataru Tada, Masayuki Suzuki, Hiroyuki Toda, Keita Toichi, Yuta Uemura, Norihiko Shibata, Tsubasa Saijo, Masayuki Fujita, Tadao Nagatsuma

2021 International Topical Meeting on Microwave Photonics (MWP)　2021/11/15　Research paper (international conference proceedings)

Steering of beam trajectory by distorted photonic crystals

Kanji Nanjyo, Hitoshi Kitagawa, Daniel Headland, Masayuki Fujita, Kyoko Kitamura

2021/10/12

Dielectric slot-coupled half-Maxwell fisheye lens as octave-bandwidth beam expander for terahertz-range applications

Daniel Headland, Andreas Kurt Klein, Masayuki Fujita, Tadao Nagatsuma

APL PHOTONICS　Vol. 6　No. 9　2021/09　Research paper (scientific journal)

48‐Gbit/s 8K video‐transmission using resonant tunnelling diodes in 300‐GHz band

J. Webber, A. Oshiro, S. Iwamatsu, Y. Nishida, M. Fujita, T. Nagatsuma

Electronics Letters　Vol. 57　No. 17　p. 668-669　2021/08/15　Research paper (scientific journal)

Gratingless integrated tunneling multiplexer for terahertz waves

Daniel Headland, Withawat Withayachumnankul, Masayuki Fujita, Tadao Nagatsuma

OPTICA　Vol. 8　No. 5　p. 621-629　2021/05　Research paper (scientific journal)

Terahertz coherent oscillator integrated with slot-ring antenna using two resonant tunneling diodes

Shuya Iwamatsu, Yosuke Nishida, Masayuki Fujita, Tadao Nagatsuma

APPLIED PHYSICS EXPRESS　Vol. 14　No. 3　2021/03　Research paper (scientific journal)

Advanced Terahertz Devices and Systems Toward 6G and beyond

Masayuki Fujita

Proceedings - 2021 8th NAFOSTED Conference on Information and Computer Science, NICS 2021　p. 348-351　2021　Research paper (international conference proceedings)

Advanced Terahertz Devices Based on Photonic Crystal and Resonant Tunneling Diode

Masayuki Fujita

2021 IEEE ASIA-PACIFIC MICROWAVE CONFERENCE (APMC)　Vol. 2021-November　p. 338-338　2021　Research paper (international conference proceedings)

Integrated Terahertz Tunneling Filter

Daniel Headland, Withawat Withayachumnankul, Xiongbin Yu, Masayuki Fujita, Tadao Nagatsuma

2021 46TH INTERNATIONAL CONFERENCE ON INFRARED, MILLIMETER AND TERAHERTZ WAVES (IRMMW-THZ)　Vol. 2021-August　2021　Research paper (international conference proceedings)

Integrated Resonant Tunneling Diode with Rectangular Waveguide I/O using Photonic Crystal Interface

Yuma Kawamoto, Norihiko Shibata, Yuta Uemura, Shuya Iwamatsu, Yosuke Nishida, Masayuki Fujita, Tadao Nagatsuma

2021 46TH INTERNATIONAL CONFERENCE ON INFRARED, MILLIMETER AND TERAHERTZ WAVES (IRMMW-THZ)　Vol. 2021-August　2021　Research paper (international conference proceedings)

Terahertz RTD Chip Backside-coupled to Photonic-crystal Waveguide

Ratmalgre Koala, Daniel Headland, Xiongbin Yu, Yosuke Nishida, Masayuki Fujita, Tadao Nagatsuma

2021 46TH INTERNATIONAL CONFERENCE ON INFRARED, MILLIMETER AND TERAHERTZ WAVES (IRMMW-THZ)　Vol. 2021-August　2021　Research paper (international conference proceedings)

Millimeter-wave and Terahertz Photonics for Communications and Sensors

Tadao Nagatsuma, Masayuki Fujita, Li Yi

2021 OPTICAL FIBER COMMUNICATIONS CONFERENCE AND EXPOSITION (OFC)　2021　Research paper (international conference proceedings)

Enabling Device Technologies for Photonics-assisted Millimeter and Terahertz Wave Applications

Tadao Nagatsuma, Masayuki Fujita, Li Yi

2021 IEEE INTERNATIONAL ELECTRON DEVICES MEETING (IEDM)　Vol. 2021-December　p. 11.5.1-11.5.4　2021　Research paper (international conference proceedings)

Waveforms with High Spectral Efficiency for Terahertz Communications

Mohamed Shehata, Ke Wang, Julian Webber, Masayuki Fujita, Tadao Nagatsuma, Withawat Withayachumnankul

2021 46TH INTERNATIONAL CONFERENCE ON INFRARED, MILLIMETER AND TERAHERTZ WAVES (IRMMW-THZ)　Vol. 2021-August　2021　Research paper (international conference proceedings)

600-GHz-Band Frequency-Division Multiplexing Communication with Silicon Unclad Diplexer

Norihiko Shibata, Yuta Uemura, Yuma Kawamoto, Li Yi, Masayuki Fujita, Tadao Nagatsuma

2021 IEEE ASIA-PACIFIC MICROWAVE CONFERENCE (APMC)　Vol. 2021-November　p. 139-141　2021　Research paper (international conference proceedings)

600-GHz-band Silicon Dielectric Waveguide Module

Norihiko Shibata, Yuta Uemura, Yuma Kawamoto, Li Yi, Masayuki Fujita, Tadao Nagatsuma

2021 46TH INTERNATIONAL CONFERENCE ON INFRARED, MILLIMETER AND TERAHERTZ WAVES (IRMMW-THZ)　Vol. 2021-August　2021　Research paper (international conference proceedings)

Characteristics of Effective-Medium-Clad Dielectric Waveguides

Weijie Gao, Wendy S. L. Lee, Xiongbin Yu, Masayuki Fujita, Tadao Nagatsuma, Christophe Fumeaux, Withawat Withayachumnankul

IEEE TRANSACTIONS ON TERAHERTZ SCIENCE AND TECHNOLOGY　Vol. 11　No. 1　p. 28-41　2021/01　Research paper (scientific journal)

Unclad Microphotonics for Terahertz Waveguides and Systems

Daniel Headland, Withawat Withayachumnankul, Xiongbin Yu, Masayuki Fujita, Tadao Nagatsuma

JOURNAL OF LIGHTWAVE TECHNOLOGY　Vol. 38　No. 24　p. 6853-6862　2020/12/15　Research paper (scientific journal)

Integrated Terahertz Optics with Effective Medium for 600-GHz-band Imaging

Tomoki Sagisaka, Ryohei Kaname, Masato Kikuchi, Naoya Kukutsu, Daniel Headland, Li Yi, Masayuki Fujita, Tadao Nagatsuma

2020 International Topical Meeting on Microwave Photonics, MWP 2020 - Proceedings　p. 62-65　2020/11/24　Research paper (international conference proceedings)

Imaging Applications with a Single Resonant Tunneling Diode Transceiver in 300-GHz Band

Li Yi, Ryohei Kaname, Yosuke Nishida, Xiongbin Yu, Masayuki Fujita, Tadao Nagatsuma

2020 International Topical Meeting on Microwave Photonics, MWP 2020 - Proceedings　p. 120-123　2020/11/24　Research paper (international conference proceedings)

50-Gbit/s Terahertz Communication using a Valley Photonic Crystal Waveguide

Julian Webber, Yuichiro Yamagami, Guillaume Ducournau, Pascal Szriftgiser, Masayuki Fujita, Tadao Nagatsuma, Ranjan Singh

International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz　Vol. 2020-November　p. 418-419　2020/11/08　Research paper (international conference proceedings)

Effective-Medium-Cladded Dielectric Waveguides towards Terahertz Integrated Platform

Weijie Gao, Wendy Suk Ling Lee, Xiongbin Yu, Masayuki Fujita, Tadao Nagatsuma, Christophe Fumeaux, Withawat Withayachumnankul

2020 Conference on Lasers and Electro-Optics Pacific Rim, CLEO-PR 2020 - Proceedings　2020/08　Research paper (international conference proceedings)

Dispersion in broadband terahertz photonic crystal waveguides employing Bragg-mirror suppression

Daniel Headland, Withawat Withayachumnankul, Wendy Suk Ling Lee, Masayuki Fujita, Tadao Nagatsuma

Proceedings of the 2020 IEEE International Conference on Computational Electromagnetics, ICCEM 2020　p. 23-24　2020/08　Research paper (international conference proceedings)

Terahertz Slab-Mode Beam Launchers using Photonic Crystal Waveguides and Integrated Optics

Daniel Headland, Withawat Withayachumnankul, Masayuki Fujita, Tadao Nagatsuma

2020 Conference on Lasers and Electro-Optics Pacific Rim, CLEO-PR 2020 - Proceedings　2020/08　Research paper (international conference proceedings)

Pulse Shaping for IEEE 802.15.3d Standard Compliant Terahertz Communications

Mohamed Shehata, Ke Wang, Julian Webber, Fujita Masayuki, Tadao Nagatsuma, Withawat Withayachumnankul

2020 3rd International Workshop on Mobile Terahertz Systems, IWMTS 2020　2020/07　Research paper (international conference proceedings)

Terahertz topological photonics for on-chip communication

Yihao Yang, Yuichiro Yamagami, Xiongbin Yu, Prakash Pitchappa, Julian Webber, Baile Zhang, Masayuki Fujita, Tadao Nagatsuma, Ranjan Singh

NATURE PHOTONICS　Vol. 14　No. 7　p. 446-+　2020/07/01　Research paper (scientific journal)

Quantitative evaluation of enhanced Er luminescence in GaAs-based two-dimensional photonic crystal nanocavities

M. Ogawa, J. Tatebayashi, N. Fujioka, R. Higashi, M. Fujita, S. Noda, D. Timmerman, S. Ichikawa, Y. Fujiwara

Applied Physics Letters　Vol. 116　No. 18　2020/05/04　Research paper (scientific journal)

Waveguide-input resonant tunnelling diode mixer for THz communications

X. Yu, T. Ohira, J. Y. Kim, M. Fujita, T. Nagatsuma

Electronics Letters　Vol. 56　No. 7　p. 342-344　2020/03/30　Research paper (scientific journal)

Bragg-Mirror Suppression for Enhanced Bandwidth in Terahertz Photonic Crystal Waveguides

Masayuki Fujita

IEEE Journal of Selected Topics in Quantum Electronics　Vol. 26　No. 2　2020/03　Research paper (scientific journal)

Bragg-Mirror Suppression for Enhanced Bandwidth in Terahertz Photonic Crystal Waveguides

Daniel Headland, Masayuki Fujita, Tadao Nagatsuma

IEEE JOURNAL OF SELECTED TOPICS IN QUANTUM ELECTRONICS　Vol. 26　No. 2　p. 1-9　2020/03　Research paper (scientific journal)

Half-Maxwell fisheye lens with photonic crystal waveguide for the integration of terahertz optics

Daniel Headland, Masayuki Fujita, Tadao Nagatsuma

OPTICS EXPRESS　Vol. 28　No. 2　p. 2366-2380　2020/01/20　Research paper (scientific journal)

Unclad Microphotonic Waveguide Bend

Daniel Headland, Withawat Withayachumnankul, Masayuki Fujita, Tadao Nagatsuma

2020 45TH INTERNATIONAL CONFERENCE ON INFRARED, MILLIMETER, AND TERAHERTZ WAVES (IRMMW-THZ)　Vol. 2020-November　p. 416-417　2020　Research paper (international conference proceedings)

Communications with Terahertz Slab-Mode Beam

Daniel Headland, Naoki Nishigami, Masayuki Fujita, Tadao Nagatsuma

2020 45TH INTERNATIONAL CONFERENCE ON INFRARED, MILLIMETER, AND TERAHERTZ WAVES (IRMMW-THZ)　Vol. 2020-November　p. 397-398　2020　Research paper (international conference proceedings)

Packaged Dish Antenna for Wireless Terahertz Photonic Crystal Waveguide Devices

Daniel Headland, Xiongbin Yu, Masaya Nagai, Masayuki Fujita, Tadao Nagatsuma

2020 INTERNATIONAL SYMPOSIUM ON ANTENNAS AND PROPAGATION (ISAP)　p. 15-16　2020　Research paper (international conference proceedings)

Resonant Tunneling Diode Array Oscillator Integrated with Slot-ring Antenna for Terahertz Wireless Communications

Shuya Iwamatsu, Naoki Nishigami, Yousuke Nishida, Masayuki Fujita, Tadao Nagatsuma

2020 45TH INTERNATIONAL CONFERENCE ON INFRARED, MILLIMETER, AND TERAHERTZ WAVES (IRMMW-THZ)　Vol. 2020-November　p. 422-423　2020　Research paper (international conference proceedings)

Broadband Terahertz Dielectric Rod Antenna Array with Integrated Half-Maxwell Fisheye Lens

Ratmalgre Alex Sylvestere Desire Koala, Daniel Headland, Yuichiro Yamagami, Fujita Masayuki, Tadao Nagatsuma

2020 INTERNATIONAL TOPICAL MEETING ON MICROWAVE PHOTONICS (MWP 2020)　p. 54-57　2020　Research paper (international conference proceedings)

Effective-medium-cladded dielectric waveguides for terahertz waves

Weijie Gao, Xiongbin Yu, Masayuki Fujita, Tadao Nagatsuma, Christophe Fumeaux, Withawat Withayachumnankul

OPTICS EXPRESS　Vol. 27　No. 26　p. 38721-38734　2019/12　Research paper (scientific journal)

Terahertz coherent receiver using a single resonant tunnelling diode

Yousuke Nishida, Naoki Nishigami, Sebastian Diebold, Jaeyoung Kim, Masayuki Fujita, Tadao Nagatsuma

SCIENTIFIC REPORTS　Vol. 9　No. 1　p. 18125-18125　2019/12/01　Research paper (scientific journal)

Erratum: Simultaneous low-loss and low-dispersion in a photonic-crystal waveguide for terahertz communications (Applied Physics Express (2019) 12 (012005) DOI: 10.7567/1882-0786/aaf4b3)

Xiongbin Yu, Masaki Sugeta, Yuichiro Yamagami, Masayuki Fujita, Tadao Nagatsuma

Applied Physics Express　Vol. 12　No. 11　2019/11/01　Research paper (scientific journal)

Simultaneous low-loss and low-dispersion in a photonic-crystal waveguide for terahertz communications (vol 12, 012005, 2019)

Xiongbin Yu, Masaki Sugeta, Yuichiro Yamagami, Masayuki Fujita, Tadao Nagatsuma

APPLIED PHYSICS EXPRESS　Vol. 12　No. 11　2019/11　Research paper (scientific journal)

Efficient mode converter to deep-subwavelength region with photonic-crystal waveguide platform for terahertz applications

Xiongbin Yu, Jae-Young Kim, Masayuki Fujita, Tadao Nagatsuma

OPTICS EXPRESS　Vol. 27　No. 20　p. 28707-28721　2019/09/30　Research paper (scientific journal)

Direct terahertz communications with wireless and fiber links

Xiongbin Yu, Tomoyuki Miyamoto, Katsunori Obata, Yasuo Hosoda, Jae Young Kim, Masayuki Fujita, Tadao Nagatsuma

International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz　Vol. 2019-September　2019/09　Research paper (international conference proceedings)

Injection Locking of Resonant Tunneling Diode Oscillator Using Coherent Terahertz Pulses

Takashi Arikawa, Jaeyong Kim, Toshikazu Mukai, Naoki Nishigami, Masayuki Fujita, Tadao Nagatsuma, Koichiro Tanaka

International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz　Vol. 2019-September　p. 1492-1492　2019/09　Research paper (international conference proceedings)

Evolution from Air-Cladded to Effective-Medium-Cladded Dielectric Waveguides

Weijie Gao, Xiongbin Yu, Masayuki Fujita, Tadao Nagatsuma, Christophe Fumeaux, Withawat Withayachumnankul

International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz　Vol. 2019-September　2019/09　Research paper (international conference proceedings)

Terahertz Information Tag System with Over-100-bit/s Reading Speed

Tadao Nagatsuma, Yusuke Kujime, Masayuki Fujita, Tomoki Sagisaka, Li Yi

International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz　Vol. 2019-September　2019/09　Research paper (international conference proceedings)

Integrated Luneburg and Maxwell Fisheye Lenses for the Terahertz Range

Daniel Headland, Withawat Withayachumnankul, Masayuki Fujita, Tadao Nagatsuma

International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz　Vol. 2019-September　2019/09　Research paper (international conference proceedings)

Terahertz wireless communications using resonant tunnelling diodes with radio-over-fibre

J. Webber, N. Nishigami, J. Y. Kim, M. Fujita, T. Nagatsuma

Electronics Letters　Vol. 55　No. 17　p. 949-951　2019/08/22　Research paper (scientific journal)

Near-field out-of-plane coupling between terahertz photonic crystal waveguides

Daniel Headland, Xiongbin Yu, Masayuki Fujita, Tadao Nagatsuma

OPTICA　Vol. 6　No. 8　p. 1002-1011　2019/08　Research paper (scientific journal)

Polarization Responses of Terahertz Dielectric Rod Antenna Arrays

Withawat Withayachumnankul, Masayuki Fujita, Tadao Nagatsuma

2019 International Conference on Microwave and Millimeter Wave Technology, ICMMT 2019 - Proceedings　2019/05　Research paper (international conference proceedings)

Terahertz wireless communication using resonant tunneling diodes and practical radio-over-fiber technology

Julian Webber, Naoki Nishigami, Xiongbin Yu, Jae Young Kim, Masayuki Fujita, Tadao Nagatsuma

2019 IEEE International Conference on Communications Workshops, ICC Workshops 2019 - Proceedings　2019/05　Research paper (international conference proceedings)

Terahertz fibre transmission link using resonant tunnelling diodes integrated with photonic-crystal waveguides

Masayuki Fujita

Electronics Letters　2019/04/04　Research paper (scientific journal)

Terahertz fibre transmission link using resonant tunnelling diodes integrated with photonic-crystal waveguides

X. Yu, Y. Hosoda, T. Miyamoto, K. Obata, J. Y. Kim, M. Fujita, T. Nagatsuma

Electronics Letters　Vol. 55　No. 7　p. 398-400　2019/04　Research paper (scientific journal)

Near-field vertical coupling between terahertz photonic crystal waveguides

Daniel Headland, Xiongbin Yu, Masayuki Fujita, Tadao Nagatsuma

2019 URSI Asia-Pacific Radio Science Conference, AP-RASC 2019　2019/03　Research paper (international conference proceedings)

Resonant tunneling diode receiver for coherent terahertz wireless communication

Naoki Nishigami, Yousuke Nishida, Sebastian Diebold, Jaeyoung Kim, Masayuki Fujita, Tadao Nagatsuma

Asia-Pacific Microwave Conference Proceedings, APMC　Vol. 2018-November　p. 726-728　2019/01/16　Research paper (international conference proceedings)

Highly stable terahertz resonant tunneling diode oscillator coupled to photonic-crystal cavity

Xiongbin Yu, Jae Young Kim, Masayuki Fujita, Tadao Nagatsuma

Asia-Pacific Microwave Conference Proceedings, APMC　Vol. 2018-November　p. 114-116　2019/01/16　Research paper (international conference proceedings)

Photonic Crystal Waveguide Technologies for Terahertz Applications

Masayuki Fujita

International Conference on Metamaterials, Photonic Crystals and Plasmonics　p. 626-627　2019　Research paper (international conference proceedings)

Simultaneous low-loss and low-dispersion in a photonic-crystal waveguide for terahertz communications

Masayuki Fujita

Applied Physics Express　2019/01/01　Research paper (scientific journal)

Simultaneous low-loss and low-dispersion in a photonic-crystal waveguide for terahertz communications

Xiongbin Yu, Masaki Sugeta, Yuichiro Yamagami, Masayuki Fujita, Tadao Nagatsuma

APPLIED PHYSICS EXPRESS　Vol. 12　No. 1　2019/01/01　Research paper (scientific journal)

Integrated Circuits Using Photonic-Crystal Slab Waveguides and Resonant Tunneling Diodes for Terahertz Communication

Xiongbin Yu, Ryoumei Yamada, Jae Young Kim, Masayuki Fujita, Tadao Nagatsuma

Progress in Electromagnetics Research Symposium　Vol. 2018-August　p. 599-605　2018/12/31　Research paper (international conference proceedings)

Terahertz multi-beam antenna using photonic crystal waveguide and Luneburg lens

Daniel Headland, Withawat Withayachumnankul, Ryoumei Yamada, Masayuki Fujita, Tadao Nagatsuma

APL PHOTONICS　Vol. 3　No. 12　2018/12/01　Research paper (scientific journal)

Evolution of Rod Antennas for Integrated Terahertz Photonics

Withawat Withayachumnankul, Ryoumei Yamada, Masayuki Fujita, Tadao Nagatsuma

International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz　Vol. 2018-September　2018/10/25　Research paper (international conference proceedings)

Terahertz Tag Using Photonic-Crystal Slabs

Yusuke Kujime, Masayuki Fujita, Tadao Nagatsuma

JOURNAL OF LIGHTWAVE TECHNOLOGY　Vol. 36　No. 19　p. 4386-4392　2018/10/01　Research paper (scientific journal)

Integrated Silicon Photonic Crystals Toward Terahertz Communications

Withawat Withayachumnankul, Masayuki Fujita, Tadao Nagatsuma

ADVANCED OPTICAL MATERIALS　Vol. 6　No. 16　2018/08/20　Research paper (scientific journal)

External Feedback Effect in Terahertz Resonant Tunneling Diode Oscillators

Luong Duy Manh, Sebastian Diebold, Kousuke Nishio, Yousuke Nishida, Jaeyoung Kim, Toshikazu Mukai, Masayuki Fujita, Tadao Nagatsuma

IEEE TRANSACTIONS ON TERAHERTZ SCIENCE AND TECHNOLOGY　Vol. 8　No. 4　p. 455-464　2018/07　Research paper (scientific journal)

All-dielectric rod antenna array for terahertz communications

Withawat Withayachumnankul, Ryoumei Yamada, Masayuki Fujita, Tadao Nagatsuma

APL PHOTONICS　Vol. 3　No. 5　2018/05/01　Research paper (scientific journal)

Terahertz wireless communication using resonant tunneling diodes with radio-over-fiber technology

Julian Webber, Xiongbin Yu, Naoki Nishigami, Jae Young Kim, Masayuki Fujita, Tadao Nagatsuma

Optics InfoBase Conference Papers　Vol. Part F125-JSAP 2018　2018　Research paper (international conference proceedings)

Large capacity terahertz tag using photonic crystal slabs

Yusuke Kujime, Masayuki Fujita, Tadao Nagatsuma

MWP 2017 - 2017 International Topical Meeting on Microwave Photonics　Vol. 2017-December　p. 1-4　2017/12/05　Research paper (international conference proceedings)

Terahertz systems based on resonant tunneling diodes and photonic crystals

Masayuki Fujita

30th Annual Conference of the IEEE Photonics Society, IPC 2017　Vol. 2017-January　p. 547-547　2017/11/20　Research paper (international conference proceedings)

Asymmetrical conductance model to analyze resonant tunneling diode terahertz oscillators

S. Diebold, M. Fujita, T. Nagatsuma

IEEE MTT-S International Microwave Symposium Digest　p. 1795-1797　2017/10/04　Research paper (international conference proceedings)

Terahertz Sensor Using Photonic Crystal Cavity and Resonant Tunneling Diodes

Kazuma Okamoto, Kazuisao Tsuruda, Sebastian Diebold, Shintaro Hisatake, Masayuki Fujita, Tadao Nagatsuma

JOURNAL OF INFRARED MILLIMETER AND TERAHERTZ WAVES　Vol. 38　No. 9　p. 1085-1097　2017/09/01　Research paper (scientific journal)

All-dielectric integration of dielectric resonator antenna and photonic crystal waveguide

Withawat Withayachumnankul, Ryoumei Yamada, Christophe Fumeaux, Masayuki Fujita, Tadao Nagatsuma

OPTICS EXPRESS　Vol. 25　No. 13　p. 14706-14714　2017/06/26　Research paper (scientific journal)

Modulation schemes for resonant tunneling diodes to enhance the data-rate of wireless communications

S. Diebold, S. Nakai, S. K. Nishio, J. Y. Kim, K. Tsuruda, T. Mukai, M. Fujita, S. T. Nagatsuma

International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz　Vol. 2016-November　2016/11/28　Research paper (international conference proceedings)

High-speed error-free wireless data transmission using a terahertz resonant tunnelling diode transmitter and receiver

S. Diebold, K. Nishio, Y. Nishida, J. Y. Kim, K. Tsuruda, T. Mukai, M. Fujita, T. Nagatsuma

Electronics Letters　Vol. 52　No. 24　p. 1999-2001　2016/11/24　Research paper (scientific journal)

Terahertz sensing based on photonic crystal cavity and resonant tunneling diode

Kazuisao Tsuruda, Kazuma Okamoto, Sebastian Diebold, Shintaro Hisatake, Masayuki Fujita, Tadao Nagatsuma

2016 Progress In Electromagnetics Research Symposium, PIERS 2016 - Proceedings　p. 3922-3926　2016/11/03　Research paper (international conference proceedings)

Modeling and Simulation of Terahertz Resonant Tunneling Diode-Based Circuits

Sebastian Diebold, Shunsuke Nakai, Kousuke Nishio, Jaeyoung Kim, Kazuisao Tsuruda, Toshikazu Mukai, Masayuki Fujita, Tadao Nagatsuma

IEEE TRANSACTIONS ON TERAHERTZ SCIENCE AND TECHNOLOGY　Vol. 6　No. 5　p. 716-723　2016/09　Research paper (scientific journal)

Photonic-crystal diplexers for terahertz-wave applications

Masahiro Yata, Masayuki Fujita, Tadao Nagatsuma

OPTICS EXPRESS　Vol. 24　No. 7　p. 7835-7849　2016/04　Research paper (scientific journal)

Packaging of THz circuits using a HDPE lens and an impedance-matched carrier substrate

S. Diebold, S. Nakai, K. Nishio, K. Tsuruda, T. Mukai, M. Fujita, T. Nagatsuma

Asia-Pacific Microwave Conference Proceedings, APMC　Vol. 1　2016/02/17　Research paper (international conference proceedings)

A terahertz monolithic integrated resonant tunneling diode oscillator and mixer circuit

Sebastian Diebold, Kazuisao Tsuruda, Jae Young Kim, Toshikazu Mukai, Masayuki Fujita, Tadao Nagatsuma

Proceedings of SPIE - The International Society for Optical Engineering　Vol. 9856　2016　Research paper (international conference proceedings)

Photonic-crystal slab for terahertz-wave technology platform

Masayuki Fujita

Proceedings of SPIE - The International Society for Optical Engineering　Vol. 9757　2016　Research paper (international conference proceedings)

Photonic crystal technology for terahertz system integration

Masayuki Fujita, Tadao Nagatsuma

Proceedings of SPIE - The International Society for Optical Engineering　Vol. 9856　2016　Research paper (international conference proceedings)

Millimeter-Wave and Terahertz-Wave Applications Enabled by Photonics

Tadao Nagatsuma, Shintaro Hisatake, Masayuki Fujita, Hai Huy Nguyen Pham, Kazuisao Tsuruda, Shigeru Kuwano, Jun Terada

IEEE JOURNAL OF QUANTUM ELECTRONICS　Vol. 52　No. 1　2016/01　Research paper (scientific journal)

Extremely low-loss terahertz waveguide based on silicon photonic-crystal slab

Kazuisao Tsuruda, Masayuki Fujita, Tadao Nagatsuma

OPTICS EXPRESS　Vol. 23　No. 25　p. 31977-31990　2015/12/14　Research paper (scientific journal)

Terahertz resonant tunneling diode systems for next generation wireless communication

Sebastian Diebold, Kazuisao Tsuruda, Masayuki Fujita, Tadao Nagatsuma, Jaeyoung Kim, Toshikazu Mukai

IMFEDK 2015 - 2015 International Meeting for Future of Electron Devices, Kansai　p. 30-31　2015/07/14　Research paper (international conference proceedings)

Terahertz-wave integrated circuits based on photonic crystals

Kazuisao Tsuruda, Masayuki Fujita, Asako Suminokura, Masahiro Yata, Toshikazu Mukai, Tadao Nagatsuma

Progress in Electromagnetics Research Symposium　Vol. 2015-January　p. 2254-2259　2015　Research paper (international conference proceedings)

Integration of resonant tunneling diode with Terahertz photonic-crystal waveguide and its application to gigabit terahertz-wave communications

Asako Suminokura, Kazuisao Tsuruda, Toshikazu Mukai, Masayuki Fujita, Tadao Nagatsuma

2014 International Topical Meeting on Microwave Photonics / the 9th Asia-Pacific Microwave Photonics Conference, MWP/APMP 2014 - Proceedings　p. 419-422　2014/12/19　Research paper (international conference proceedings)

Diplexer for terahertz-wave integrated circuit using a photonic-crystal slab

Masahiro Yata, Masayuki Fujita, Tadao Nagatsuma

2014 International Topical Meeting on Microwave Photonics / the 9th Asia-Pacific Microwave Photonics Conference, MWP/APMP 2014 - Proceedings　p. 40-43　2014/12/19　Research paper (international conference proceedings)

Capture of a terahertz wave in a photonic-crystal slab

Ryoma Kakimi, Masayuki Fujita, Masaya Nagai, Masaaki Ashida, Tadao Nagatsuma

NATURE PHOTONICS　Vol. 8　No. 8　p. 657-663　2014/08　Research paper (scientific journal)

16 Gbit/s wireless terahertz transmission at 300-GHz band using a polymeric thin-film antenna receiver with base-bandwidth enhancement circuits

Masami Inoue, Masayuki Hodono, Masatoshi Oka, Yusuke Minamikata, Daiki Tsuji, Masayuki Fujita, Tadao Nagatsuma

2014 Asia-Pacific Microwave Conference Proceedings, APMC 2014　p. 1076-1078　2014/03/25　Research paper (international conference proceedings)

Ultra-Broadband Terahertz Receivers Using Polymer Substrate

Masami Inoue, Masayuki Hodono, Shogo Horiguchi, Kazuki Arakawa, Masayuki Fujita, Tadao Nagatsuma

IEEE TRANSACTIONS ON TERAHERTZ SCIENCE AND TECHNOLOGY　Vol. 4　No. 2　p. 225-231　2014/03　Research paper (scientific journal)

Enhancement of broadband optical absorption in photovoltaic devices by band-edge effect of photonic crystals

Yoshinori Tanaka, Yosuke Kawamoto, Masayuki Fujita, Susumu Noda

Optics Express　Vol. 21　No. 17　p. 20111-20118　2013/08/26　Research paper (scientific journal)

Silicon photonics: Nanocavity brightens silicon

Masayuki Fujita

Nature Photonics　Vol. 7　No. 4　p. 264-265　2013/04　Research paper (scientific journal)

Enhancement of optical absorption in solar cells by band-edge effect of photonic crystals. i -Formation of multiple bandedges

Y. Tanaka, Y. Kawamoto, M. Fujita, S. Noda

Pacific Rim Conference on Lasers and Electro-Optics, CLEO - Technical Digest　2013　Research paper (international conference proceedings)

Ultra-broadband receivers using polymeric substrate for multiband terahertz communications

Masami Inoue, Masayuki Hodono, Shogo Horiguchi, Kazuki Arakawa, Masayuki Fujita, Tadao Nagatsuma

2013 International Symposium on Electromagnetic Theory, EMTS 2013 - Proceedings　p. 211-214　2013　Research paper (international conference proceedings)

Ultra-broadband tapered slot terahertz antennas on thin polymeric substrate

Masami Inoue, Masayuki Hodono, Shogo Horiguchi, Masayuki Fujita, Tadao Nagatsuma

ISAP 2013 - Proceedings of the 2013 International Symposium on Antennas and Propagation　Vol. 1　p. 633-636　2013　Research paper (international conference proceedings)

Terahertz-wave absorbers using a photonic crystal slab

Ryoma Kakimi, Masayuki Fujita, Masaya Nagai, Masaaki Ashida, Tadao Nagatsuma

Pacific Rim Conference on Lasers and Electro-Optics, CLEO - Technical Digest　2013　Research paper (international conference proceedings)

Ultralow-loss photonic-crystal waveguides for gigabit terahertz-wave communications

Kazuisao Tsuruda, Tsukasa Ishigaki, Asako Suminokura, Ryoma Kakimi, Masayuki Fujita, Tadao Nagatsuma

2013 IEEE International Topical Meeting on Microwave Photonics, MWP 2013　p. 9-12　2013　Research paper (international conference proceedings)

Terahertz generation by optical rectification in lithium niobate crystal using a shadow mask.

Yuri Avestisyan, Caihong Zhang, Iwao Kawayama, Hironaru Murakami, Toshihiro Somekawa, Haik Chosrowjan, Masayuki Fujita, Masayoshi Tonouchi

Optics express　Vol. 20　No. 23　p. 25752-7　2012/11/05　Research paper (scientific journal)

Enhancement of photocurrent in ultrathin active-layer photodetecting devices with photonic crystals

Hiroaki Shigeta, Masayuki Fujita, Yoshinori Tanaka, Ardavan Oskooi, Hiroyuki Ogawa, Yusuke Tsuda, Susumu Noda

Applied Physics Letters　Vol. 101　No. 16　2012/10/15　Research paper (scientific journal)

Photocurrent enhancement in ultrathin silicon by the photonic band-edge effect

Masayuki Fujita, Hiroaki Shigeta, Yoshinori Tanaka, Ardavan Oskooi, Hiroyuki Ogawa, Yusuke Tsuda, Susumu Noda

2012 IEEE Photonics Conference, IPC 2012　p. 124-125　2012　Research paper (international conference proceedings)

Photonic-crystal slab for terahertz-wave integrated circuits

Tsukasa Ishigaki, Masayuki Fujita, Masaya Nagai, Masaaki Ashida, Tadao Nagatsuma

2012 IEEE Photonics Conference, IPC 2012　p. 774-775　2012　Research paper (international conference proceedings)

Trapping a terahertz wave in a photonic-crystal slab

Ryoma Kakimi, Masayuki Fujita, Masaya Nagai, Masaaki Ashida, Tadao Nagatsuma

2012 IEEE Photonics Conference, IPC 2012　p. 562-563　2012　Research paper (international conference proceedings)

Green GaInN photonic-crystal light-emitting diodes with small surface recombination effect

Hitoshi Kitagawa, Masayuki Fujita, Toshihide Suto, Takashi Asano, Susumu Noda

Applied Physics Letters　Vol. 98　No. 18　2011/05/02　Research paper (scientific journal)

Reduction in surface recombination and enhancement of light emission in silicon photonic crystals treated by high-pressure water-vapor annealing

Masayuki Fujita, Bernard Gelloz, Nobuyoshi Koshida, Susumu Noda

Applied Physics Letters　Vol. 97　No. 12　2010/09/20　Research paper (scientific journal)

Reflectance measurement of two-dimensional photonic crystal nanocavities with embedded quantum dots

W. C. Stumpf, T. Asano, T. Kojima, M. Fujita, Y. Tanaka, S. Noda

Physical Review B - Condensed Matter and Materials Physics　Vol. 82　No. 7　2010/08/12　Research paper (scientific journal)

Enhancement of light emission from silicon by a photonic crystal nanocavity and high-pressure water vapor annealing

Masayuki Fujita, Bernard Gelloz, Nobuyoshi Koshida, Susumu Noda

IEEE International Conference on Group IV Photonics GFP　p. 350-352　2010　Research paper (international conference proceedings)

Light emission control by photonic crystals

Masayuki Fujita, Susumu Noda

Technical Digest - 15th OptoElectronics and Communications Conference, OECC2010　Vol. 92　No. 10　p. 220-704　2010　Research paper (international conference proceedings)

Light-emitting diodes: Photonic crystal efficiency boost

Susumu Noda, Masayuki Fujita

Nature Photonics　Vol. 3　No. 3　p. 129-130　2009/03　Research paper (scientific journal)

Light emission from silicon in photonic crystal nanocavity

Masayuki Fujita, Yoshinori Tanaka, Susumu Noda

IEEE Journal on Selected Topics in Quantum Electronics　Vol. 14　No. 4　p. 1090-1097　2008/07　Research paper (scientific journal)

Green photoluminescence from GaInN photonic crystals

Hitoshi Kitagawa, Toshihide Suto, Masayuki Fujita, Yoshinori Tanaka, Takashi Asano, Susumu Noda

Applied Physics Express　Vol. 1　No. 3　p. 0320041-0320043　2008/03　Research paper (scientific journal)

Theoretical analysis of light emission from a coupled system of a photonic nanocavity and a quantum dot

M. Yamaguchi, T. Asano, M. Fujita, S. Noda

PHYSICA STATUS SOLIDI C - CURRENT TOPICS IN SOLID STATE PHYSICS, VOL 5, NO 9　Vol. 5　No. 9　p. 2828-2830　2008　Research paper (international conference proceedings)

Theoretical analysis of light emission from a coupled system of a photonic nanocavity and a quantum dot

M. Yamaguchi, T. Asano, M. Fujita, S. Noda

Physica Status Solidi (C) Current Topics in Solid State Physics　Vol. 5　No. 9　p. 2828-2830　2008　Research paper (international conference proceedings)

Enhanced light emission from silicon photonic crystal nanocavity

Masayuki Fujita, Yoshinori Tanaka, Yasushi Takahashi, Susumu Noda

2008 5th International Conference on Group IV Photonics, GFP　p. 359-361　2008　Research paper (international conference proceedings)

Spectral reflectance measurement of two-dimensional photonic nanocavities with embedded quantum dots

Wolfgang C. Stumpf, Takashi Asano, Takanori Kojima, Masayuki Fujita, Yoshinori Tanaka, Susumu Noda

2008 IEEE/LEOS International Conference on Optical MEMS and Nanophotonics, OPT MEMS　p. 3-4　2008　Research paper (international conference proceedings)

Spontaneous-emission control by photonic crystals and nanocavities

Susumu Noda, Masayuki Fujita, Takashi Asano

Nature Photonics　Vol. 1　No. 8　p. 449-458　2007/08　Research paper (scientific journal)

Light emission from quantum dots embedded in a photonic double-heterostructure nanocavity

Wolfgang C. Stumpf, Masayuki Fujita, Makoto Yamaguchi, Takashi Asano, Susumu Noda

Optics InfoBase Conference Papers　2007　Research paper (international conference proceedings)

Cavity-mode light emission in silicon photonic nanocavities at room temperature

Masayuki Fujita, Yoshinori Tanaka, Susumu Noda

IEEE International Conference on Group IV Photonics GFP　p. 270-272　2007　Research paper (international conference proceedings)

Organic light-emitting diodes with photonic crystals on glass substrate fabricated by nanoimprint lithography

Kuniaki Ishihara, Masayuki Fujita, Ippei Matsubara, Takashi Asano, Susumu Noda, Hiroshi Ohata, Akira Hirasawa, Hiroshi Nakada, Noriyuki Shimoji

Applied Physics Letters　Vol. 90　No. 11　2007　Research paper (scientific journal)

Light-emission properties of quantum dots embedded in a photonic double-heterostructure nanocavity

Wolfgang C. Stumpf, Masayuki Fujita, Makoto Yamaguchi, Takashi Asano, Susumu Noda

Applied Physics Letters　Vol. 90　No. 23　2007　Research paper (scientific journal)

Controlled spontaneous-emission phenomena in semiconductor slabs with a two-dimensional photonic bandgap

Masayuki Fujita, Shigeki Takahashi, Takashi Asano, Yoshinori Tanaka, Kazuaki Kounoike, Makoto Yamaguchi, Junya Nakanishi, Wolfgang Stumpf, Susumu Noda

Journal of Optics A: Pure and Applied Optics　Vol. 8　No. 4　p. S131-S138　2006/04　Research paper (scientific journal)

Direct fabrication of photonic crystal on glass substrate by nanoimprint lithography

Kuniaki Ishihara, Masayuki Fujita, Ippei Matsubara, Takashi Asano, Susumu Noda

Japanese Journal of Applied Physics, Part 2: Letters　Vol. 45　No. 4-7　2006/02/03　Research paper (scientific journal)

Controlling spontaneous emission phenomena in defect-free 2D photonic crystals with quantum dots

Masayuki Fujita, Makoto Yamaguchi, Kazuaki Kounoike, Shigeki Takahashi, Yoshinori Tanaka, Junya Nakanishi, Takashi Asano, Susumu Noda

Optics InfoBase Conference Papers　2006　Research paper (international conference proceedings)

Photonic crystals - For nano-photonics to display -

S. Noda, T. Asano, M. Fujita

IDW '06 - Proceedings of the 13th International Display Workshops　Vol. 3　p. 1935-1935　2006　Research paper (international conference proceedings)

Simultaneous inhibition and redistribution of spontaneous emission in 2D photonic crystal slabs

Shigeki Takahashi, Masayuki Fujita, Takashi Asano, Yoshinori Tanaka, Susumu Noda

Proceedings of SPIE - The International Society for Optical Engineering　Vol. 6127　2006　Research paper (international conference proceedings)

Investigation of spontaneous emission from quantum dots embedded in two-dimensional photonic-crystal slab

K. Kounoike, M. Yamaguchi, M. Fujita, T. Asano, J. Nakanishi, S. Noda

Electronics Letters　Vol. 41　No. 25　p. 57-58　2005/12/08　Research paper (scientific journal)

Optical and electrical characteristics of organic light-emitting diodes with two-dimensional photonic crystals in organic/electrode layers

Masayuki Fujita, Kuniaki Ishihara, Tetsuya Ueno, Takashi Asano, Susumu Noda, Hiroshi Ohata, Taishi Tsuji, Hitoshi Nakada, Noriyuki Shimoji

Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers　Vol. 44　No. 6 A　p. 3669-3677　2005/06　Research paper (scientific journal)

Applied physics: Simultaneous inhibition and redistribution of spontaneous light emission in photonic crystals

Masayuki Fujita, Shigeki Takahashi, Yoshinori Tanaka, Takashi Asano, Susumu Noda

Science　Vol. 308　No. 5726　p. 1296-1298　2005/05/27　Research paper (scientific journal)

Theoretical analysis on light-extraction efficiency of organic light-emitting diodes using FDTD and mode-expansion methods

Alongkarn Chutinan, Kuniaki Ishihara, Takashi Asano, Masayuki Fujita, Susumu Noda

Organic Electronics　Vol. 6　No. 1　p. 3-9　2005/02　Research paper (scientific journal)

Introduction of photonic crystal structure into organic light-emitting diode

Masayuki Fujita, Takashi Asano, Susumu Noda, Hiroshi Ohata, Taishi Tsuji, Hitoshi Nakada, Noriyuki Shimoji

Proceedings of SPIE - The International Society for Optical Engineering　Vol. 5624　p. 142-151　2005　Research paper (scientific journal)

Demonstration of organic light-emitting diodes with photonic crystal on glass substrate fabricated by nanoimprint lithography

K. Ishihara, M. Fujita, I. Matsubara, T. Asano, S. Noda, H. Ohata, A. Hirasawa, H. Nakada, N. Shimoji

Conference Proceedings - Lasers and Electro-Optics Society Annual Meeting-LEOS　Vol. 2005　p. 246-247　2005　Research paper (international conference proceedings)

Spontaneous emission control by defect-free 2D photonic crystal slabs

Masayuki Fujita, Shigeki Takahashi, Yoshinori Tanaka, Takashi Asano, Susumu Noda

Conference Proceedings - Lasers and Electro-Optics Society Annual Meeting-LEOS　Vol. 2005　p. 52-53　2005　Research paper (international conference proceedings)

Direct fabrication of 2D glass photonic crystals by nanoimprint lithography

Kuniaki Ishihara, Masayuki Fujita, Ippei Matsubara, Takashi Asano, Susumu Noda

Pacific Rim Conference on Lasers and Electro-Optics, CLEO - Technical Digest　Vol. 2005　p. 239-240　2005　Research paper (international conference proceedings)

Reduction of operating voltage in organic light-emitting diode by corrugated photonic crystal structure

Masayuki Fujita, Tetsuya Ueno, Kuniaki Ishihara, Takashi Asano, Susumu Noda, Hiroshi Ohata, Taishi Tsuji, Hitoshi Nakada, Noriyuki Shimoji

Applied Physics Letters　Vol. 85　No. 23　p. 5769-5771　2004/12/06　Research paper (scientific journal)

Fabrication of Indium Phosphide Compound Photonic Crystal by Hydrogen Iodide/Xenon Inductively Coupled Plasma Etching

Fujita Masayuki, Sugitatsu Atsushi, Uesugi Toshitsugu, Noda Susumu

Jpn J Appl Phys　Vol. 43　No. 11　p. L1400-L1402　2004/11/01

Fine fabrication of GalnAsP-InP photonic crystal by HI/Xe ICP etching using electron beam resist mask

Masayuki Fujita, Atsushi Sugitatsu, Toshitsugu Uesugi, Susumu Noda

Digest of Papers - Microprocesses and Nanotechnology 2004　p. 344-345　2004　Research paper (scientific journal)

Organic light-emitting diode with ITO/organic photonic crystal

M. Fujita, T. Ueno, T. Asano, S. Noda, H. Ohhata, T. Tsuji, H. Nakada, N. Shimoji

Electronics Letters　Vol. 39　No. 24　p. 1750-1752　2003/11/27　Research paper (scientific journal)

Lasing characteristics of two-dimensional photonic crystal slab lasers with a modified linear shaped donor-type point defect

Masayuki Fujita, Yoshihiro Akahane, Atsushi Sugitatsu, Takashi Asano, Susumu Noda

Pacific Rim Conference on Lasers and Electro-Optics, CLEO - Technical Digest　Vol. 1　2003　Research paper (international conference proceedings)

GaInAsP microdisk injection laser with benzocyclobutene polymer cladding and its atherma effect

Reona Ushigome, Masayuki Fujita, Atsushi Sakai, Toshihiko Baba, Yasuo Kokubun

Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers　Vol. 41　No. 11　p. 6364-6369　2002/11　Research paper (scientific journal)

Microgear laser

Masayuki Fujita, Toshihiko Baba

Applied Physics Letters　Vol. 80　No. 12　p. 2051-2053　2002/03/25　Research paper (scientific journal)

Strain relaxation effect in microdisk lasers with compressively strained quantum wells

Masayuki Fujita, Reona Ushigome, Toshihiko Baba

Applied Physics Letters　Vol. 80　No. 9　p. 1511-1513　2002/03/04　Research paper (scientific journal)

Proposal and finite-difference time-domain simulation of whispering galley mode microgear cavity

Masayuki Fujita, Toshihiko Baba

IEEE Journal of Quantum Electronics　Vol. 37　No. 10　p. 1253-1258　2001/10　Research paper (scientific journal)

GaInAsP microcylinder (microdisk) injection laser with AlInAs(O<inf>x</inf>) claddings

Masayuki Fujita, Reona Ushigome, Toshihiko Baba, Akihiro Matsutani, Fumio Koyama, Kenichi Iga

Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers　Vol. 40　No. 9 A　p. 5338-5339　2001/09　Research paper (scientific journal)

Low-threshold continuous-wave lasing in photopumped GaInAsP microdisk lasers

M. Fujita, K. Teshima, T. Baba

Japanese Journal of Applied Physics, Part 2: Letters　Vol. 40　No. 8 B　p. L875-L877　2001/08/15　Research paper (scientific journal)

Large spontaneous emission factor of 0.1 in a microdisk injection laser

Masayuki Fujita, Reona Ushigome, Toshihiko Baba

IEEE Photonics Technology Letters　Vol. 13　No. 5　p. 403-405　2001/05　Research paper (scientific journal)

Continuous wave lasing in GaInAsP microdisk injection laser with threshold current of 40μA

M. Fujita, R. Ushigome, T. Baba

Electronics Letters　Vol. 36　No. 9　p. 790-791　2000/04　Research paper (scientific journal)

Large spontaneous emission factor confirmed in CW lasing microdisk injection lasers

Masayuki Fujita, Reona Ushigome, Toshihiko Baba

Conference Proceedings - Lasers and Electro-Optics Society Annual Meeting-LEOS　Vol. 1　p. 372-373　2000　Research paper (international conference proceedings)

Ultrasmall and ultralow threshold GaInAsP-InP microdisk injection lasers: design, fabrication, lasing characteristics, and spontaneous emission factor

Masayuki Fujita, Atsushi Sakai, Toshihiko Baba

IEEE Journal on Selected Topics in Quantum Electronics　Vol. 5　No. 3　p. 673-681　1999/05　Research paper (scientific journal)

Optical near-field probe action in microdisk laser with 0.12λ resolution

H. Yamada, A. Sakai, M. Fujita, T. Baba

Electronics Letters　Vol. 35　No. 3　p. 222-223　1999/02/04　Research paper (scientific journal)

Novel GaInAsP microcylinder laser with AlInAs(O<inf>x</inf>) claddings

M. Fujita, T. Baba, A. Matsutani, F. Koyama, K. Iga

Conference Proceedings - International Conference on Indium Phosphide and Related Materials　p. 215-217　1999　Research paper (scientific journal)

Ultimate low threshold and high efficiency calculated for GaInAsP microdisk injection lasers with optimum posts

M. Fujita, A. Sakai, D. Ohsaki, T. Baba

CLEO/Pacific Rim 1999 - Pacific Rim Conference on Lasers and Electro-Optics　Vol. 3　p. 616-617　1999　Research paper (international conference proceedings)

Room temperature continuous wave lasing characteristics of GaInAsP/InP microdisk injection laser

M. Fujita, K. Inoshita, T. Baba

Electronics Letters　Vol. 34　No. 3　p. 278-279　1998/02/05　Research paper (scientific journal)

Proposal of optical near-field probe using evanescent field of microdisk laser

Atsushi Sakai, Hiroshi Yamada, Masayuki Fujita, Toshihiko Baba

Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers　Vol. 37　No. 2　p. 517-521　1998/02　Research paper (scientific journal)

Optical near field probe action in a microdisk laser with λ/10 resolution

H. Yamada, A. Sakai, M. Fujita, T. Baba

Conference Digest - IEEE International Semiconductor Laser Conference　p. 129-130　1998　Research paper (international conference proceedings)

Room temperature CW operation in GaInAsP/InP microdisk laser with record low threshold of 150 μA

M. Fujita, K. Inoshita, T. Baba

Conference Proceedings - International Conference on Indium Phosphide and Related Materials　p. 235-238　1998　Research paper (international conference proceedings)

Lasing characteristics of GaInAsP-InP strained quantum-well microdisk injection lasers with diameter of 2-10 μm

Toshihiko Baba, Masayuki Fujita, Atsushi Sakai, Mitsuhiro Kihara, Ryoh Watanabe

IEEE Photonics Technology Letters　Vol. 9　No. 7　p. 878-880　1997/07　Research paper (scientific journal)

Optical near field probe using evanescent field of microdisk lasers

Toshihiko Baba, Atsushi Sakai, Masayuki Fujita

Pacific Rim Conference on Lasers and Electro-Optics, CLEO - Technical Digest　p. 303-304　1997　Research paper (international conference proceedings)