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Electrically induced insulator-to-metal transition in InP-based ion-gated transistor
Sunao Shimizu, Hiroki Shioya, Takafumi Hatano, Kazumoto Miwa, Akira Oiwa, Shimpei Ono
Scientific Reports Vol. 14 No. 1 2024/12/05 Research paper (scientific journal)
Publisher: Springer Science and Business Media LLC
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Anomalous Screening Effect of Superlattice-Doped GaAs/(Al,Ga)As Heterostructures under Illumination
Xiao-Fei Liu, Nikolai Spitzer, Haruki Kiyama, Arne Ludwig, Andreas D. Wieck, Akira Oiwa
PHYSICAL REVIEW APPLIED Vol. 19 No. 2 2023/02 Research paper (scientific journal)
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Polarization-independent enhancement of optical absorption in a GaAs quantum well embedded in an air-bridge bull’s-eye cavity with metal electrodes
Sangmin Ji, Takeyoshi Tajiri, Xiao-Fei Liu, Haruki Kiyama, Akira Oiwa, Julian Ritzmann, Arne Ludwig, Andreas D Wieck, Satoshi Iwamoto
Japanese Journal of Applied Physics Vol. 62 No. SC p. SC1018-SC1018 2023/01/10 Research paper (scientific journal)
Publisher: IOP Publishing
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Micromagnet design for addressable fast spin manipulations in a 2 x 2 quantum dot array
Shungo Nakamura, Haruki Kiyama, Akira Oiwa
JOURNAL OF APPLIED PHYSICS Vol. 132 No. 22 2022/12 Research paper (scientific journal)
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Electron g-factor determined for quantum dot circuit fabricated from (110)-oriented GaAs quantum well
T. Nakagawa, S. Lamoureux, T. Fujita, J. Ritzmann, A. Ludwig, A. D. Wieck, A. Oiwa, M. Korkusinski, A. Sachrajda, D. G. Austing, L. Gaudreau
Journal of Applied Physics Vol. 131 No. 13 p. 134305-134305 2022/04/07 Research paper (scientific journal)
Publisher: AIP Publishing
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Detection of photogenerated single electrons in a lateral quantum dot with a surface plasmon antenna
Rio Fukai, Yuji Sakai, Takafumi Fujita, Haruki Kiyama, Arne Ludwig, Andreas D. Wieck, Akira Oiwa
Applied Physics Express Vol. 14 No. 12 p. 125001-125001 2021/12/01 Research paper (scientific journal)
Publisher: IOP Publishing
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Noise-robust classification of single-shot electron spin readouts using a deep neural network
Yuta Matsumoto, Takafumi Fujita, Arne Ludwig, Andreas D. Wieck, Kazunori Komatani, Akira Oiwa
npj Quantum Information Vol. 7 No. 1 2021/12 Research paper (scientific journal)
Publisher: Springer Science and Business Media LLC
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Design of bull’s-eye optical cavity toward efficient quantum media conversion using gate-defined quantum dot
Sangmin Ji, Takeyoshi Tajiri, Haruki Kiyama, Akira Oiwa, Satoshi Iwamoto
Japanese Journal of Applied Physics Vol. 60 No. 10 p. 102003-102003 2021/10/01 Research paper (scientific journal)
Publisher: IOP Publishing
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Preparation and Readout of Multielectron High-Spin States in a Gate-Defined GaAs/AlGaAs Quantum Dot
H. Kiyama, K. Yoshimi, T. Kato, T. Nakajima, A. Oiwa, S. Tarucha
Physical Review Letters Vol. 127 No. 8 2021/08/20 Research paper (scientific journal)
Publisher: American Physical Society (APS)
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Distinguishing persistent effects in an undoped GaAs/AlGaAs quantum well by top-gate-dependent illumination
Takafumi Fujita, Ryota Hayashi, Makoto Kohda, Julian Ritzmann, Arne Ludwig, Junsaku Nitta, Andreas D. Wieck, Akira Oiwa
Journal of Applied Physics Vol. 129 No. 23 p. 234301-234301 2021/06/21 Research paper (scientific journal)
Publisher: AIP Publishing
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Characterization of a surface plasmon antenna fabricated on a gate-defined lateral quantum dot
Rio Fukai, Yuji Sakai, Tomohiro Nakagawa, Takafumi Fujita, Haruki Kiyama, Arne Ludwig, Andreas D. Wieck, Akira Oiwa
Japanese Journal of Applied Physics Vol. 60 No. SB p. SBBI01-SBBI01 2021/05/01 Research paper (scientific journal)
Publisher: IOP Publishing
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Roadmap on quantum nanotechnologies
Arne Laucht, Frank Hohls, Niels Ubbelohde, M Fernando Gonzalez-Zalba, David J Reilly, Søren Stobbe, Tim Schröder, Pasquale Scarlino, Jonne V Koski, Andrew Dzurak, Chih-Hwan Yang, Jun Yoneda, Ferdinand Kuemmeth, Hendrik Bluhm, Jarryd Pla, Charles Hill, Joe Salfi, Akira Oiwa, Juha T Muhonen, Ewold Verhagen, M D LaHaye, Hyun Ho Kim, Adam W Tsen, Dimitrie Culcer, Attila Geresdi, Jan A Mol, Varun Mohan, Prashant K Jain, Jonathan Baugh
Nanotechnology Vol. 32 No. 16 p. 162003-162003 2021/04/16 Research paper (scientific journal)
Publisher: IOP Publishing
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Fabrication and Optical Characterization of Photonic Crystal Nanocavities with Electrodes for Gate-Defined Quantum Dots
T. Tajiri, K. Kuruma, Y. Sakai, H. Kiyama, A. Oiwa, J. Ritzmann, A. Ludwig, A. D. Wieck, Y. Ota, Y. Arakawa, S. Iwamoto
Japanese Journal of Applied Physics Vol. 59 No. SGGI05 p. 1-6 2020/02 Research paper (scientific journal)
Publisher: IOP Publishing
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Selective oxidation of the surface layer of bilayer WSe2 by laser heating
Hiroki Shioya, Kazuhito Tsukagoshi, Keiji Ueno, Akira Oiwa
Japanese Journal of Applied Physics Vol. 58 No. 12 p. 120903-120903 2019/12/01 Research paper (scientific journal)
Publisher: IOP Publishing
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Angular momentum transfer from photon polarization to an electron spin in a gate-defined quantum dot
Takafumi Fujita, Kazuhiro Morimoto, Haruki Kiyama, Giles Allison, Marcus Larsson, Arne Ludwig, Sascha R. Valentin, Andreas D. Wieck, Akira Oiwa, Seigo Tarucha
Nature Communications Vol. 10 No. 1 p. 2991-1-2991-6 2019/07 Research paper (scientific journal)
Publisher: Springer Science and Business Media LLC
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Irradiation Effects on Induced Electron Conductivity in an un-doped GaAs/AlGaAs Quantum Well Hall Bar
T. Fujita, R. Hayashi, M. Kohda, J. Ritzmann, A. Ludwig, J. Nitta, A. D. Wieck, A. Oiwa
2019 Compound Semiconductor Week, CSW 2019 - Proceedings 2019/05/01 Research paper (international conference proceedings)
Publisher: Institute of Electrical and Electronics Engineers Inc.
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Fabrication of photonic crystal nanocavities with electrodes for a gate-defined quantum dot
Tajiri Takeyoshi, Kuruma Kazuhiro, Sakai Yuji, Kiyama Haruki, Oiwa Akira, Ritzmann Julian, Ludwig Arne, Wieck Andreas D., Ota Yasutomo, Arakawa Yasuhiko, Iwamoto Satoshi
JSAP Annual Meetings Extended Abstracts Vol. 2019.1 p. 959-959 2019/02/25
Publisher: The Japan Society of Applied Physics
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Photogeneration of a single electron from a single Zeeman-resolved light-hole exciton with preserved angular momentum
Kazuyuki Kuroyama, Marcus Larsson, Jo Muramoto, Kentaro Heya, Takafumi Fujita, Giles Allison, Sascha R. Valentin, Arne Ludwig, Andreas D. Wieck, Sadashige Matsuo, Akira Oiwa, Seigo Tarucha
Physical Review B Vol. 99 No. 8 2019/02 Research paper (scientific journal)
Publisher: American Physical Society (APS)
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Study of optical and electronic properties of a slab-type two-dimensional photonic crystal including a gate-controlled quantum dot
Sakai Yuji, Tajiri Takeyoshi, Kuruma Kazuhiro, Kiyama Haruki, Oiwa Akira, Nakajima Takashi, Tarucha Seigo, Iwamoto Satoshi, Arakawa Yasuhiko
Meeting Abstracts of the Physical Society of Japan Vol. 74.1 p. 1325-1325 2019
Publisher: The Physical Society of Japan
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Transport through quantum dots formed in a (110) GaAs quantum well
T. Nakagawa, R. Fukai, Y. Sakai, Y. Sakai, T. Fujita, H. Kiyama, T. Nakajima, J. Ritzmann, A. Ludwig, A. D. Wieck
2018/09
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Single-electron charge sensing in self-assembled quantum dots
Haruki Kiyama, Alexander Korsch, Naomi Nagai, Yasushi Kanai, Kazuhiko Matsumoto, Kazuhiko Hirakawa, Akira Oiwa
Scientific Reports Vol. 8 p. 13188-1-13188-6 2018/09 Research paper (scientific journal)
Publisher:
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Photon-spin conversion using gate-defined GaAs quantum dots
Akira Oiwa
2018/06 Research paper (other academic)
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Resonant Hall effect under generation of a self-sustaining mode of spin current in nonmagnetic bipolar conductors with identical characters between holes and electrons
Masamichi Sakai, Hiraku Takao, Tomoyoshi Matsunaga, Makoto Nishimagi, Keitaro Iizasa, Takahito Sakuraba, Koji Higuchi, Akira Kitajima, Shigehiko Hasegawa, Osamu Nakamura, Yuichiro Kurokawa, Hiroyuki Awano
2018/02 Research paper (scientific journal)
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Single electron-photon pair creation from a single polarization-entangled photon pair
Kazuyuki Kuroyama, Marcus Larsson, Sadashige Matsuo, Takafumi Fujita, Sascha R. Valentin, Arne Ludwig, Andreas D. Wieck, Akira Oiwa, Seigo Tarucha
SCIENTIFIC REPORTS Vol. 7 2017/12 Research paper (scientific journal)
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Gate tunable parallel double quantum dots in InAs double-nanowire devices
S. Baba, S. Matsuo, H. Kamata, R. S. Deacon, A. Oiwa, K. Li, S. Jeppesen, L. Samuelson, H. Q. Xu, S. Tarucha
APPLIED PHYSICS LETTERS Vol. 111 No. 23 2017/12 Research paper (scientific journal)
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Electrical Transport in Low Dimensional Systems Fabricated in a (110) GaAs Quantum Well
Tomohiro Nakagawa, Rio Fukai, Yuji Sakai, Haruki Kiyama, Julian Ritzmann, Arne Ludwig, Andreas D. Wieck, Akira Oiwa
2017/11
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Electrical Transport Though a SiGe Self-assembled Quantum Dot
R. Shikishima, T. Kagawaguchi, H. Kiyama, M. Bamesreiter, D. Bougeard, A. Oiwa
2017/11 Research paper (other academic)
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Photon-electron spin conversion in gate-defined GaAs quantum dots and developing Poincare interface
Akira Oiwa
2017/10 Research paper (other academic)
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Photon-spin Poincaré interface using electron spins in quantum dots
Akira Oiwa
2017/09 Research paper (other academic)
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Spin conversion on the nanoscale
YoshiChika Otani, Masashi Shiraishi, Akira Oiwa, Eiji Saitoh, Shuichi Murakami
NATURE PHYSICS Vol. 13 No. 9 p. 829-832 2017/09 Research paper (scientific journal)
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Kondo effect in a self-assembled SiGe quantum dot
R. Shikishima, T. Kagawaguchi, H. Kiyama, M. Bamesreiter, D. Bougeard, A. Oiwa
2017/08
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Kondo effect and superconducting transport in SiGe self-assembled quantum dot transistors
Ryoki Shikishima, Kazutoshi Kagawaguchi, Haruki Kiyama, Mario Bamesreiter, Dominique Bougeard, Akira Oiwa
2017/07 Research paper (other academic)
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Photon-spin Poincaré interface using electron spins in quantum dots
Akira Oiwa
2017/06 Research paper (other academic)
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Design of bull's eye structures on gate-defined lateral quantum dots
Rio Fukai, Tomohiro Nakagawa, Haruki Kiyama, Akira Oiwa
Japanese Journal of Applied Physics Vol. 56 No. 4 2017/04/01 Research paper (international conference proceedings)
Publisher: Japan Society of Applied Physics
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Conversion from Single Photon to Single Electron Spin Using Electrically Controllable Quantum Dots
Akira Oiwa, Takafumi Fujita, Haruki Kiyama, Giles Allison, Arne Ludwig, Andreas D. Wieck, Seigo Tarucha
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN Vol. 86 No. 1 2017/01 Research paper (scientific journal)
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Signatures of Hyperfine, Spin-Orbit, and Decoherence Effects in a Pauli Spin Blockade
T. Fujita, P. Stano, G. Allison, K. Morimoto, Y. Sato, M. Larsson, J. -H. Park, A. Ludwig, A. D. Wieck, A. Oiwa, S. Tarucha
PHYSICAL REVIEW LETTERS Vol. 117 No. 20 2016/11 Research paper (scientific journal)
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Single-Shot Ternary Readout of Two-Electron Spin States in a Quantum Dot Using Spin Filtering by Quantum Hall Edge States
H. Kiyama, T. Nakajima, S. Teraoka, A. Oiwa, S. Tarucha
PHYSICAL REVIEW LETTERS Vol. 117 No. 23 2016/11 Research paper (scientific journal)
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22aAG-4 InAs並列二重ナノワイヤー接合における量子ドットの伝導特性
馬場 翔二, 鎌田 大, 松尾 貞茂, Deacon R. S., 大岩 顕, Li K., Xu H. Q., 樽茶 清悟
日本物理学会講演概要集 Vol. 71 p. 1405-1405 2016
Publisher: 一般社団法人日本物理学会
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Electrical Transport in InSb Low Dimensional Systems
Tada Masaki
Meeting Abstracts of the Physical Society of Japan Vol. 71 p. 1095-1095 2016
Publisher: The Physical Society of Japan
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Transport and optical properties of (110) GaAs quantum wells for photon-spin quantum state transfer using heavy hole states
Nakagawa Tomohiro, Fukai Rio, Kiyama Haruki, Ritzmann Julian, Ludwig Arne, Wieck Andreas D., Oiwa Akira
Meeting Abstracts of the Physical Society of Japan Vol. 71 p. 1094-1094 2016
Publisher: The Physical Society of Japan
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Ballistic transport properties of suspended InAs nanowires
Kamata H., Deacon R. S., Matsuo S., Baba S., Li K., Xu H. Q., Oiwa A., Tarucha S.
Meeting Abstracts of the Physical Society of Japan Vol. 71 p. 1077-1077 2016
Publisher: The Physical Society of Japan
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Demonstration of quantum state transfer using optical Pauli spin blockade in a lateral GaAs quantum dot
Larsson Marcus, Kuroyama Kazuyui, Matsuo Sadashige, Fujita Takafumi, Valentin Sascha R., Ludwig Arne, D.Wieck Andreas D., Oiwa Akira, Tarucha Seigo
Meeting Abstracts of the Physical Society of Japan Vol. 71 p. 1157-1157 2016
Publisher: The Physical Society of Japan
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Spin qubits with semiconductor quantum dots
Seigo Tarucha, Michihisa Yamamoto, Akira Oiwa, Byung-Soo Choi, Yasuhiro Tokura
Lecture Notes in Physics Vol. 911 p. 541-567 2016 Part of collection (book)
Publisher: Springer Verlag
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4 pi-periodic Josephson supercurrent in HgTe-based topological Josephson junctions
J. Wiedenmann, E. Bocquillon, R. S. Deacon, S. Hartinger, O. Herrmann, T. M. Klapwijk, L. Maier, C. Ames, C. Bruene, C. Gould, A. Oiwa, K. Ishibashi, S. Tarucha, H. Buhmann, L. W. Molenkamp
NATURE COMMUNICATIONS Vol. 7 2016/01 Research paper (scientific journal)
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Superconducting transport in single and parallel double InAs quantum dot Josephson junctions with Nb-based superconducting electrodes
Shoji Baba, Juergen Sailer, Russell S. Deacon, Akira Oiwa, Kenji Shibata, Kazuhiko Hirakawa, Seigo Tarucha
APPLIED PHYSICS LETTERS Vol. 107 No. 22 2015/11 Research paper (scientific journal)
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Spin-dependent current through a quantum dot from spin-polarized nonequilibrium quantum Hall edge channels
H. Kiyama, T. Nakajima, S. Teraoka, A. Oiwa, S. Tarucha
PHYSICAL REVIEW B Vol. 91 No. 15 2015/04 Research paper (scientific journal)
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18pAE-2 lnAs並列二重ナノワイヤー接合の伝導特性
馬場 翔二, 鎌田 大, 松尾 貞茂, Deacon R.S., 大岩 顕, Li K., Xu H.Q., 樽茶 清悟
日本物理学会講演概要集 Vol. 70 p. 1096-1096 2015
Publisher: 一般社団法人日本物理学会
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18pAE-3 Transport properties of suspended InAs nanowires
Kamata H., Matsuo S., Baba S., Deacon R. S., Li K., Xu H. Q., Oiwa A., Tarucha S.
Meeting Abstracts of the Physical Society of Japan Vol. 70 p. 1097-1097 2015
Publisher: The Physical Society of Japan (JPS)
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17aAG-2 Transport properties of InAs self-assembled quantum dots with different electrode geometries
Shikishima R., Oiwa A., Kiyama H., Baba S., Hirayama T., Nagai N., Hirakawa K., Tarucha S.
Meeting Abstracts of the Physical Society of Japan Vol. 70 p. 1045-1045 2015
Publisher: The Physical Society of Japan (JPS)
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17aAE-8 Magnetoresistance in GaDyN Quantum Well
Fujimoto Akira, Zhou Yi-Kai, Hasegawa Shigehiko, Asahi Hajime, Oiwa Akira
Meeting Abstracts of the Physical Society of Japan Vol. 70 p. 1039-1039 2015
Publisher: The Physical Society of Japan (JPS)
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16aAE-3 Simultaneous detection of a photon and an electron towards quantum entanglement generation between a photon polarization and an electron spin
Kuroyama K., Larsson M., Fujita T., Matsuo S., Valentin S., Ludwig A., Wieck A., Oiwa A., Tarucha S.
Meeting Abstracts of the Physical Society of Japan Vol. 70 p. 1004-1004 2015
Publisher: The Physical Society of Japan (JPS)
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23pBK-1 Spin-dependent current through a quantum dot coupled to spin-polarized non-equilibrium quantum Hall edge states
Kiyama H., Nakajima T., Teraoka S., Oiwa A., Tarucha S.
Meeting Abstracts of the Physical Society of Japan Vol. 70 p. 1368-1368 2015
Publisher: The Physical Society of Japan (JPS)
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23pBK-12 GaAs系横型量子ドットにおける単一光子検出の高効率化
黒山 和幸, 藤田 高史, Larsson Marcus, 松尾 貞茂, Valentin Sascha R., Ludwig Arne, Wieck Andreas, 大岩 顕, 樽茶 清悟
日本物理学会講演概要集 Vol. 70 p. 1379-1379 2015
Publisher: 一般社団法人日本物理学会
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Tuning the electrically evaluated electron Lande g factor in GaAs quantum dots and quantum wells of different well widths
G. Allison, T. Fujita, K. Morimoto, S. Teraoka, M. Larsson, H. Kiyama, A. Oiwa, S. Haffouz, D. G. Austing, A. Ludwig, A. D. Wieck, S. Tarucha
PHYSICAL REVIEW B Vol. 90 No. 23 2014/12 Research paper (scientific journal)
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Single photoelectron detection after selective excitation of electron heavy-hole and electron light-hole pairs in double quantum dots
K. Morimoto, T. Fujita, G. Allison, S. Teraoka, M. Larsson, H. Kiyama, S. Haffouz, D. G. Austing, A. Ludwig, A. D. Wieck, A. Oiwa, S. Tarucha
PHYSICAL REVIEW B Vol. 90 No. 8 2014/08 Research paper (scientific journal)
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Electrically tunable spin filtering for electron tunneling between spin-resolved quantum Hall edge states and a quantum dot
H. Kiyama, T. Fujita, S. Teraoka, A. Oiwa, S. Tarucha
APPLIED PHYSICS LETTERS Vol. 104 No. 26 2014/06 Research paper (scientific journal)
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Nondestructive Real-Time Measurement of Charge and Spin Dynamics of Photoelectrons in a Double Quantum Dot
T. Fujita, H. Kiyama, K. Morimoto, S. Teraoka, G. Allison, A. Ludwig, A. D. Wieck, A. Oiwa, S. Tarucha
PHYSICAL REVIEW LETTERS Vol. 110 No. 26 2013/06 Research paper (scientific journal)
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Rashba spin-orbit interaction in a MgxZn1-xO/ZnO two-dimensional electron gas studied by electrically detected electron spin resonance
Y. Kozuka, S. Teraoka, J. Falson, A. Oiwa, A. Tsukazaki, S. Tarucha, M. Kawasaki
Physical Review B - Condensed Matter and Materials Physics Vol. 87 No. 20 2013/05/07 Research paper (scientific journal)
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Electrically tunable three-dimensional g-factor anisotropy in single InAs self-assembled quantum dots
S. Takahashi, R. S. Deacon, A. Oiwa, K. Shibata, K. Hirakawa, S. Tarucha
Physical Review B - Condensed Matter and Materials Physics Vol. 87 No. 16 2013/04/15 Research paper (scientific journal)
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Single-Shot Detection of Electrons Generated by Individual Photons in a Tunable Lateral Quantum Dot
A. Pioda, E. Totoki, H. Kiyama, T. Fujita, G. Allison, T. Asayama, A. Oiwa, S. Tarucha
PHYSICAL REVIEW LETTERS Vol. 106 No. 14 2011/04 Research paper (scientific journal)
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Influence of a Quantum Point Contact as a Charge Detector on the Spin-Related Transport Through a Quantum Dot
A. Inoue, M. Yamamoto, A. Oiwa, S. Tarucha
PHYSICS OF SEMICONDUCTORS: 30TH INTERNATIONAL CONFERENCE ON THE PHYSICS OF SEMICONDUCTORS Vol. 1399 2011 Research paper (international conference proceedings)
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Angular momentum transfer between a circularly polarized photon and an electron spin in double quantum dots
T. Asayama, T. Fujita, H. Kiyama, A. Oiwa, S. Tarucha
PHYSICS OF SEMICONDUCTORS: 30TH INTERNATIONAL CONFERENCE ON THE PHYSICS OF SEMICONDUCTORS Vol. 1399 2011 Research paper (international conference proceedings)
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Development of a Numerical Algorithm for Identifying Single Photon Detection with a Quantum Dot
T. Fujita, T. Asayama, H. Kiyama, A. Oiwa, S. Tarucha
PHYSICS OF SEMICONDUCTORS: 30TH INTERNATIONAL CONFERENCE ON THE PHYSICS OF SEMICONDUCTORS Vol. 1399 2011 Research paper (international conference proceedings)
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Large Anisotropy of the Spin-Orbit Interaction in a Single InAs Self-Assembled Quantum Dot
S. Takahashi, R. S. Deacon, K. Yoshida, A. Oiwa, K. Shibata, K. Hirakawa, Y. Tokura, S. Tarucha
PHYSICAL REVIEW LETTERS Vol. 104 No. 24 2010/06 Research paper (scientific journal)
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Kondo-enhanced Andreev transport in single self-assembled InAs quantum dots contacted with normal and superconducting leads
R. S. Deacon, Y. Tanaka, A. Oiwa, R. Sakano, K. Yoshida, K. Shibata, K. Hirakawa, S. Tarucha
PHYSICAL REVIEW B Vol. 81 No. 12 2010/03 Research paper (scientific journal)
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Tunneling Spectroscopy of Andreev Energy Levels in a Quantum Dot Coupled to a Superconductor
R. S. Deacon, Y. Tanaka, A. Oiwa, R. Sakano, K. Yoshida, K. Shibata, K. Hirakawa, S. Tarucha
PHYSICAL REVIEW LETTERS Vol. 104 No. 7 2010/02 Research paper (scientific journal)
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A superconducting resonator designed for coupling to spin based qubits in quantum dots
G. Allison, A. Oiwa, S. Kumar, D. DiVincenzo, M. Ketchen, K. Hirakawa, H. Takayanagi, S. Tarucha
QUANTUM DOTS 2010 Vol. 245 2010 Research paper (international conference proceedings)
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Low temperature electron magnetotransport in InxGa1-xAs/In0.52Al0.48As quantum wells with high electron density
I. S. Vasil'evskii, V. A. Kulbachinskii, G. B. Galiev, V. G. Mokerov, S. Tarucha, A. Oiwa
25TH INTERNATIONAL CONFERENCE ON LOW TEMPERATURE PHYSICS (LT25), PART 2 Vol. 150 2009 Research paper (international conference proceedings)
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Negative differential conductance in a quantum dot and possible application to ESR detection
K. Hitachi, A. Inoue, A. Oiwa, M. Yamamoto, M. Pioro-Ladriere, Y. Tokura, S. Tarucha
25TH INTERNATIONAL CONFERENCE ON LOW TEMPERATURE PHYSICS (LT25), PART 2 Vol. 150 2009 Research paper (international conference proceedings)
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Quantitative evaluation of spin-orbit interaction in InAs quantum dots
S. Takahashi, Y. Igarashi, R. S. Deacon, A. Oiwa, K. Shibata, K. Hirakawa, S. Tarucha
25TH INTERNATIONAL CONFERENCE ON LOW TEMPERATURE PHYSICS (LT25), PART 2 Vol. 150 2009 Research paper (international conference proceedings)
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Electron transport through single self-assembled InAs quantum dots coupled to superconducting nanogap electrodes
K. Shibata, C. Buizert, A. Oiwa, K. Hirakawa, S. Tarucha
PHYSICA STATUS SOLIDI C - CURRENT TOPICS IN SOLID STATE PHYSICS, VOL 5, NO 1 Vol. 5 No. 1 p. 178-+ 2008 Research paper (international conference proceedings)
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Electron tunneling through single self-assembled InAs quantum dots coupled to nanogap electrodes
K. Shibata, M. Jung, C. Buizert, A. Oiwa, K. Hirakawa, T. Machida, S. Tarucha
PHYSICA STATUS SOLIDI C - CURRENT TOPICS IN SOLID STATE PHYSICS, VOL 5, NO 9 Vol. 5 No. 9 p. 2869-+ 2008 Research paper (international conference proceedings)
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Kondo universal scaling for a quantum dot coupled to superconducting leads
C. Buizert, A. Oiwa, K. Shibata, K. Hirakawa, S. Tarucha
PHYSICAL REVIEW LETTERS Vol. 99 No. 13 2007/09 Research paper (scientific journal)
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Lateral electron tunneling through single self-assembled InAs quantum dots coupled to superconducting nanogap electrodes
Kenji Shibata, Christo Buizert, Akira Oiwa, Kazuhiko Hirakawa, Seigo Tarucha
APPLIED PHYSICS LETTERS Vol. 91 No. 11 2007/09 Research paper (scientific journal)
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Spin-half Kondo effect in a single self-assembled InAs quantum dot with and without an applied magnetic field
Y. Igarashi, M. Jung, M. Yamamoto, A. Oiwa, T. Machida, K. Hirakawa, S. Tarucha
PHYSICAL REVIEW B Vol. 76 No. 8 2007/08 Research paper (scientific journal)
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The Kondo resonance in a single InAs quantum dot probed by nanogap electrodes
Y. Igarashi, M. Jung, M. Yamamoto, A. Oiwa, T. Machida, K. Hirakawa, S. Tarucha
PROCEEDINGS OF THE INTERNATIONAL CONFERENCE ON NANOSCIENCE AND TECHNOLOGY Vol. 61 p. 463-466 2007 Research paper (international conference proceedings)
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Magnetic anisotropy switching in (Ga,Mn)As with increasing hole concentration
K. Hamaya, T. Watanabe, T. Taniyama, A. Oiwa, Y. Kitamoto, Y. Yamazaki
PHYSICAL REVIEW B Vol. 74 No. 4 p. 045201/1-4 2006/07 Research paper (scientific journal)
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Magnetic anisotropy switching in (Ga,Mn)As with increasing hole concentration
K. Hamaya, T. Watanabe, T. Taniyama, A. Oiwa, Y. Kitamoto, Y. Yamazaki
Physical Review B - Condensed Matter and Materials Physics Vol. 74 No. 4 2006 Research paper (scientific journal)
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Probing electronic properties of quantum dots and molecules by nanogap metallic electrodes
K. Hirakawa, M. Jung, A. Umeno, T. Machida, T. Akasaka, S. -H. Hong, Y. Igarashi, A. Oiwa, S. Tarucha
IEEE NMDC 2006: IEEE NANOTECHNOLOGY MATERIALS AND DEVICES CONFERENCE 2006, PROCEEDINGS p. 220-+ 2006 Research paper (international conference proceedings)
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Theory of carrier dynamics and time resolved reflectivity in InxMn1-xAs/GaSb heterostructures
GD Sanders, CJ Stanton, J Wang, J Kono, A Oiwa, H Munekata
PHYSICAL REVIEW B Vol. 72 No. 24 2005/12 Research paper (scientific journal)
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Photoinduced magnetization rotation and precessional motion of magnetization in ferromagnetic (Ga,Mn)As
A. Oiwa, H. Takechi, H. Munekata
Journal of Superconductivity and Novel Magnetism Vol. 18 No. 1 p. 9-13 2005 Research paper (scientific journal)
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Effect of light irradiation on magnetization reversal in ferromagnetic (Ga,Mn)As with perpendicular magnetic anisotropy
A Oiwa, T Endo, H Takechi, H Munekata
PHYSICS OF SEMICONDUCTORS, PTS A AND B Vol. 772 p. 339-340 2005 Research paper (international conference proceedings)
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Ultrafast optical and magneto-optical studies of III-V ferromagnetic semiconductors
J Wang, GA Khodaparast, J Kono, A Oiwa, H Munekata
JOURNAL OF MODERN OPTICS Vol. 51 No. 16-18 p. 2771-2780 2004/11 Research paper (scientific journal)
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Ultrafast optical manipulation of ferromagnetic order in Mn-doped III-V semiconductors
J. Wang, J. Kono, A. Oiwa, H. Munekata
OSA Trends in Optics and Photonics Series Vol. 97 p. 971-972 2004 Research paper (international conference proceedings)
Publisher: Optical Society of American (OSA)
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Ultrafast softening in InMnAs
J Wang, GA Khodaparast, J Kono, T Slupinski, A Oiwa, H Munekata
PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES Vol. 20 No. 3-4 p. 412-418 2004/01 Research paper (scientific journal)
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Ultrafast carrier dynamics in ferromagnetic InGaMnAs
J Wang, J Kono, A Oiwa, H Munekata, CJ Stanton
SUPERLATTICES AND MICROSTRUCTURES Vol. 34 No. 3-6 p. 563-566 2003/09 Research paper (scientific journal)
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Alloying (In,Mn)As and (Ga,Mn)As: Ferromagnetic (In,Ga,Mn)As lattice-matched to InP
T Slupinski, H Munekata, A Oiwa
JOURNAL OF SUPERCONDUCTIVITY Vol. 16 No. 1 p. 45-49 2003/02 Research paper (scientific journal)
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Alloying (In,Mn)As and (Ga,Mn)As: Ferromagnetic (In,Ga,Mn)As lattice-matched to InP
T. Slupinski, H. Munekata, A. Oiwa
Journal of Superconductivity and Novel Magnetism Vol. 16 No. 1 p. 45-49 2003 Research paper (scientific journal)
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Manifestation of local magnetic domain reversal by spin-polarized carrier injection in (Ga,Mn)As thin films
A. Oiwa, R. Moriya, Y. Mitsumori, T. Słupinski, H. Munekata
Journal of Superconductivity and Novel Magnetism Vol. 16 No. 2 p. 439-442 2003 Research paper (scientific journal)
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Rotation of ferromagnetically coupled Mn spins in (Ga,Mn)As by hole spins
H. Munekata, A. Oiwa, Y. Mitsumori, R. Moriya, T. Slupinski
Journal of Superconductivity and Novel Magnetism Vol. 16 No. 2 p. 411-414 2003 Research paper (scientific journal)
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Theory of cyclotron resonance and magneto-optics in n- and p-type InMnAs in ultra-high magnetic fields
G. D. Sanders, Y. Sun, C. J. Stanton, G. A. Khodaparast, J. Kono, Y. H. Matsuda, N. Miura, T. Słupinski, A. Oiwa, H. Munekata
Journal of Superconductivity and Novel Magnetism Vol. 16 No. 2 p. 449-452 2003 Research paper (scientific journal)
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Cyclotron resonance of electrons and holes in paramagnetic and ferromagnetic InMnAs-based films and heterostructures
G. A. Khodaparast, M. A. Zudov, J. Kono, Y. H. Matsuda, T. Ikaida, S. Ikeda, N. Miura, T. Slupinski, A. Oiwa, H. Munekata, G. D. Sanders, Y. Sun, C. J. Stanton
Journal of Superconductivity and Novel Magnetism Vol. 16 No. 1 p. 107-110 2003 Research paper (scientific journal)
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Magnetization reversal by optical spin injection and its memorization effect in (Ga,Mn)As thin films
A Oiwa, R Moriya, Y Mitsumori, T Slupinski, H Munekata
TOWARDS THE CONTROLLABLE QUANTUM STATES: MESOSCOPIC SUPERCONDUCTIVITY AND SPINTRONICS p. 16-21 2003 Research paper (international conference proceedings)
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Parallel Transport Properties of p-InMnAs/n-InAs Junctaion
Y. Sekine, J. Nitta, T. Koga, A. Oiwa, T. Slupinski, H. Munekata
Mesoscopic Superconductivity and Spintronics Vol. World Scientific 2003/01 Research paper (other academic)
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Control of magnetic features in epitaxial micro-patterned (Ga,Mn)As wire structures
K. Hamaya, R. Moriya, A. Oiwa, T. Taniyama, Y. Kitamoto, H. Munekata
Intermag 2003 - Program of the 2003 IEEE International Magnetics Conference 2003 Research paper (international conference proceedings)
Publisher: Institute of Electrical and Electronics Engineers Inc.
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Electronic structure of In1-xMnxAs studied by photoemission spectroscopy: Comparison with Ga1-xMnxAs
J. Okabayashi, T. Mizokawa, D. D. Sarma, A. Fujimori, T. Slupinski, A. Oiwa, H. Munekata
Physical Review B - Condensed Matter and Materials Physics Vol. 65 No. 16 p. 1612031-1612034 2002/04/15 Research paper (scientific journal)
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Preparation of ferromagnetic quaternary (In,Ga,Mn)As
T Slupinski, H Munekata, A Oiwa
JOURNAL OF CRYSTAL GROWTH Vol. 237 p. 1331-1333 2002/04 Research paper (scientific journal)
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Preparation of ferromagnetic (In,Mn)As with relatively low hole concentration and Curie temperature 50 K
T Slupinski, A Oiwa, S Yanagi, H Munekata
JOURNAL OF CRYSTAL GROWTH Vol. 237 p. 1326-1330 2002/04 Research paper (scientific journal)
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Effect of optical spin injection on ferromagnetically coupled Mn spins in the III-V magnetic alloy semiconductor (Ga, Mn)As
A Oiwa, Y Mitsumori, R Moriya, T Slupinski, H Munekata
PHYSICAL REVIEW LETTERS Vol. 88 No. 13 p. 1372021-1372024 2002/04 Research paper (scientific journal)
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Ferromagnetic semiconductor (In,Ga,Mn)As with Curie temperature above 100 K
T Slupinski, H Munekata, A Oiwa
APPLIED PHYSICS LETTERS Vol. 80 No. 9 p. 1592-1594 2002/03 Research paper (scientific journal)
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Electronic structure of (formula presented) studied by photoemission spectroscopy: Comparison with (formula presented)
J. Okabayashi, T. Mizokawa, D. D. Sarma, A. Fujimori, T. Slupinski, A. Oiwa, H. Munekata
Physical Review B - Condensed Matter and Materials Physics Vol. 65 No. 16 p. 1-4 2002 Research paper (scientific journal)
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Ultrafast optical manipulation of ferromagnetic order in InMnAs/GaSb
J Wang, GA Khodaparast, J Kono, T Slupinski, A Oiwa, H Munekata
IEEE LESTER EASTMAN CONFERENCE ON HIGH PERFORMANCE DEVICES, PROCEEDINGS p. 307-314 2002 Research paper (international conference proceedings)
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Effect of Optical Spin Injection on Ferromagnetically Coupled Mn Spins in the III-V Magnetic Alloy Semiconductor [Formula presented]
A. Oiwa, Y. Mitsumori, R. Moriya, T. Słupinski, H. Munekata
Physical Review Letters Vol. 88 No. 13 2002 Research paper (scientific journal)
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Effect of light illumination on the process of magnetization reversal in carrier-induced ferromagnetic semiconductors
A Oiwa, T Slupinski, H Munekata
PHYSICA E Vol. 10 No. 1-3 p. 201-205 2001/05 Research paper (scientific journal)
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Photo-induced phase transitions in organic and inorganic materials
S. Koshihara, Y. Ogawa, T. Ishikawa, M. Takesada, A. Oiwa, H. Munekata, T. Komori, J. Yoshino
CURRENT APPLIED PHYSICS Vol. 1 No. 1 p. 21-27 2001/01 Research paper (scientific journal)
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Photoinduced phase transition accompanied with the changes in magnetic properties
Y Ogawa, A Oiwa, SY Koshihara, HO Munekata
PHASE TRANSITIONS Vol. 74 No. 1-2 p. 35-50 2001 Research paper (scientific journal)
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Staircase-like hysteresis loop in III-V compound diluted magnetic semiconductor (In,Mn)As at low temperatures
Oiwa, A., Endo, A., Katsumoto, S., Iye, Y., Munekata, H.
Physica B: Condensed Matter Vol. 284-288 No. PART II 2000 Research paper (scientific journal)
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Metal-insulator transition and magnetotransport in III-V compound diluted magnetic semiconductors
Y Iye, A Oiwa, A Endo, S Katsumoto, F Matsukura, A Shen, H Ohno, H Munekata
MATERIALS SCIENCE AND ENGINEERING B-SOLID STATE MATERIALS FOR ADVANCED TECHNOLOGY Vol. 63 No. 1-2 p. 88-95 1999/08 Research paper (scientific journal)
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Magnetic and transport properties of the ferromagnetic semiconductor heterostructures (In,Mn)As/(Ga,Al)Sb
A Oiwa, A Endo, S Katsumoto, Y Iye, H Ohno, H Munekata
PHYSICAL REVIEW B Vol. 59 No. 8 p. 5826-5831 1999/02 Research paper (scientific journal)
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Magnetotransport properties of(Ga, Mn)As/GaAs/(Ga, Mn)As trilayer structures
F. Matsukura, N. Akiba, A. Shen, Y. Ohno, A. Oiwa, S. Katsumoto, Y. Iye, H. Ohno
J. Magnetics Society of Japan Vol. 23 No. 1 p. 88-92 1999 Research paper (scientific journal)
Publisher: The Magnetics Society of Japan
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Magnetotransport properties of all semiconductor (Ga,Mn)As/(Al,Ga)As/(Ga,Mn)As tri-layer structures
F Matsukura, N Akiba, A Shen, Y Ohno, A Oiwa, S Katsumoto, Y Iye, H Ohno
PHYSICA B-CONDENSED MATTER Vol. 256 p. 573-576 1998/12 Research paper (scientific journal)
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Interlayer exchange in (Ga,Mn)As/(Al,Ga)As/(Ga,Mn)As semiconducting ferromagnet/nonmagnet/ferromagnet trilayer structures
N Akiba, F Matsukura, A Shen, Y Ohno, H Ohno, A Oiwa, S Katsumoto, Y Iye
APPLIED PHYSICS LETTERS Vol. 73 No. 15 p. 2122-2124 1998/10 Research paper (scientific journal)
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Photocarrier induced ferromagnetic order in III-V-based magnetic semiconductor heterostructures of (In,Mn)As/GaSb
S Koshihara, H Munekata, A Oiwa, M Hirasawa, S Katsumoto, Y Iye, C Urano, H Takagi
PHYSICA E Vol. 2 No. 1-4 p. 417-420 1998/07 Research paper (scientific journal)
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Low-temperature conduction and giant negative magnetoresistance in III-V-based diluted magnetic semiconductor: (Ga, Mn)As/GaAs
Oiwa, A., Katsumoto, S., Endo, A., Hirasawa, M., Iye, Y., Matsukura, F., Shen, A., Sugawara, Y., Ohno, H.
Physica B: Condensed Matter Vol. 249-251 1998 Research paper (scientific journal)
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Giant negative magnetoresistance of (Ga,Mn)As/GaAs in the vicinity of a metal-insulator transition
A Oiwa, S Katsumoto, A Endo, M Hirasawa, Y Iye, H Ohno, F Matsukura, A Shen, Y Sugawara
PHYSICA STATUS SOLIDI B-BASIC RESEARCH Vol. 205 No. 1 p. 167-171 1998/01 Research paper (scientific journal)
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Strongly anisotropic hopping conduction in (Ga, Mn)As/GaAs
S Katsumoto, A Oiwa, Y Iye, H Ohno, F Matsukura, A Shen, Y Sugawara
PHYSICA STATUS SOLIDI B-BASIC RESEARCH Vol. 205 No. 1 p. 115-118 1998/01 Research paper (scientific journal)
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Nonmetal-metal-nonmetal transition and large negative magnetoresistance in (Ga, Mn)As/GaAs
A Oiwa, S Katsumoto, A Endo, M Hirasawa, Y Iye, H Ohno, F Matsukura, A Shen, Y Sugawara
SOLID STATE COMMUNICATIONS Vol. 103 No. 4 p. 209-213 1997/07 Research paper (scientific journal)
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Ferromagnetic order induced by photogenerated carriers in magnetic III-V semiconductor heterostructures of (In,Mn)As/GaSb
S Koshihara, A Oiwa, M Hirasawa, S Katsumoto, Y Iye, C Urano, H Takagi, H Munekata
PHYSICAL REVIEW LETTERS Vol. 78 No. 24 p. 4617-4620 1997/06 Research paper (scientific journal)
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Epitaxy of (Ga, Mn)As, a new diluted magnetic semiconductor based on GaAs
A Shen, H Ohno, F Matsukura, Y Sugawara, N Akiba, T Kuroiwa, A Oiwa, A Endo, S Katsumoto, Y Iye
JOURNAL OF CRYSTAL GROWTH Vol. 175 p. 1069-1074 1997/05 Research paper (scientific journal)
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Epitaxy and properties of InMnAs/AlGaSb diluted magnetic III-V semiconductor heterostructures
A Shen, F Matsukura, Y Sugawara, T Kuroiwa, H Ohno, A Oiwa, A Endo, S Katsumoto, Y Iye
APPLIED SURFACE SCIENCE Vol. 113 p. 183-188 1997/04 Research paper (scientific journal)
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Growth and properties of (Ga, Mn) As: A new III-V diluted magnetic semiconductor
F Matsukura, A Oiwa, A Shen, Y Sugawara, N Akiba, T Kuroiwa, H Ohno, A Endo, S Katsumoto, Y Iye
APPLIED SURFACE SCIENCE Vol. 113 p. 178-182 1997/04 Research paper (scientific journal)
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Light-induced ferromagnetism in III-V-based diluted magnetic semiconductor heterostructures
H Munekata, T Abe, S Koshihara, A Oiwa, M Hirasawa, S Katsumoto, Y Iye, C Urano, H Takagi
JOURNAL OF APPLIED PHYSICS Vol. 81 No. 8 p. 4862-4864 1997/04 Research paper (scientific journal)
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Electvical and magnetic properties of (In, Mn)AS/(A1, Ga)Sb heterostructures and bulk(Ga, Mn)AS
A. Oiwa, Y. Iye, S. Katsumoto, A. Endo, M. Hirasawa, H. Ohno, F. Matsukura, A. Shen, H. Munekata
Proc, 12th Int, Conf on High Magnetic Fields in the Physics of SemiconductorsII p. 885-888 1997 Research paper (scientific journal)
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(Ga,Mn)As: A new diluted magnetic semiconductor based on GaAs
Ohno, H., Shen, A., Matsukura, F., Oiwa, A., Endo, A., Katsumoto, S., Iye, Y.
Applied Physics Letters Vol. 69 No. 3 1996 Research paper (scientific journal)
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Ferromagnetic order in(Ga, Mn)As/GaAs heterostructures.
H. Ohno, F. Matsukura, A. Shen, Y. Sugawara, A. Oiwa, A. Endo, S. Katsumoto, Y. Iye
Proc. 23rd. Int. Conf. Physics of Semiconductors p. 405-408 1996 Research paper (scientific journal)