Akimoto Ryoichi 秋本良一

… Alternative Names

AKIMOTO RYOICHI 秋本良一

AKIMOTO Ryoichi 秋本良一

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Researcher Number	30356349
Other IDs	https://orcid.org/0000-0002-1411-1620
Affiliation (Current)	2025: 国立研究開発法人産業技術総合研究所, エレクトロニクス・製造領域, 主任研究員
Affiliation (based on the past Project Information) *help	2022 – 2024: 国立研究開発法人産業技術総合研究所, エレクトロニクス・製造領域, 主任研究員 2023: 国立研究開発法人産業技術総合研究所, エレクトロニクス・製造領域, 上級主任研究員 2020 – 2021: 国立研究開発法人産業技術総合研究所, エレクトロニクス・製造領域, 上級主任研究員 2017 – 2018: 国立研究開発法人産業技術総合研究所, エレクトロニクス・製造領域, 上級主任研究員 2015 – 2016: 国立研究開発法人産業技術総合研究所, 電子光技術研究部門, 上級主任研究員 … More 2014: 独立行政法人産業技術総合研究所, 電子光技術研究部門, 上級主任研究員 2013: 独立行政法人産業技術総合研究所, ネットワークフォトニクス研究センター, 上級主任研究員 2008: 独立行政法人産業技術総合研究所, ネットワークフォトニクス研究センター, 主任研究員 2008: 産業技術総合研究所, ネットワークフォトニクス研究センター, 主任研究員 2007: 産業技術総合研究所, 超高速光信号処理デバイス研究ラボ, 主任研究員 2003 – 2005: 産業技術総合研究所, 光技術研究部門, 主任研究員 Less
Review Section/Research Field	Principal Investigator Basic Section 21050:Electric and electronic materials-related / Electronic materials/Electric materials / Applied optics/Quantum optical engineering Except Principal Investigator Science and Engineering / Condensed matter physics I
Keywords	Principal Investigator 半導体レーザー / 量子ドット / 電子線 / II-VI族半導体 / 分子線エピタキシー / 偏波スプリッター / 超高速光スイッチ / SiN導波路 / 窒化シリコン光導波路 / シリコンフォトニクス … More / 光集積回路 / 黄色レーザー / 表面エネルギー / 黄色発光 / 半導体物性 / エピタキシャル / 光源技術 / 電子・電気材料 / 量子井戸・超格子 / 緑黄色半導体レーザー / ベリリウムカルコゲナイド / 量子井戸 … More Except Principal Investigator バンドオフセット / Anomalus Hall effects / Scanning tunneling microscopy / Interfaces of quantum wells / Band off-set / Two-dimensional excitons / Magnetic exchange interaction / Diluted magnetic semiconductors / Type II quantum wells / 磁性イオン-キャリヤ交換相互作用 / 磁性イオン-キャリア交換相互作用 / 希薄磁性半導体 / 異常ホール効果 / 走査トンネル顕微鏡 / 量子井戸界面 / 2次元励起子 / 磁性イオン-キャリヤ交換交互作用 / 希簿磁性半導体 / タイプII量子井戸構造 / ドーピング濃度 / 不均一広がり / 均一広がり / 位相緩和時間 / 歪補償 / 光閉じ込め / AlAsSb / AlAs / InGaAs / サブバンド間遷移スイッチ / 屈折率 / フォトリフレクタンス / 超高速全光スイッチ / 超高速光信号処理 / ピコ秒 / 周期構造 / 有効質量 / 歪補償量子井戸構造 / 超薄膜結合量子井戸 / 超高速ゲートスイッチ / MBE / 全光位相変調効果 / サブバンド間遷移 / 量子井戸 / 励起子ポリマー / 空間分解発光スペクトル / 励起子分子 / 荷電励起子 / 複合励起子 / 高密度励起状態 / 空間分離型電子正孔対 / タイプ II 量子構造 Less

Quantum dot formation by electron beam irradiation and application to yellow semiconductor laserPrincipal Investigator
- Principal Investigator
  
  秋本良一
- Project Period (FY)
  2023 – 2025
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 21050:Electric and electronic materials-related
- Research Institution
  National Institute of Advanced Industrial Science and Technology
Quantum dot formation by surface energy control and realization of highly reliable yellow semiconductor laserPrincipal Investigator
- Principal Investigator
  
  Akimoto Ryoichi
- Project Period (FY)
  2020 – 2022
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 21050:Electric and electronic materials-related
- Research Institution
  National Institute of Advanced Industrial Science and Technology
Yellow semiconductor laser of high reliability using quantum dot super-latticePrincipal Investigator
- Principal Investigator
  
  Akimoto Ryoichi
- Project Period (FY)
  2016 – 2018
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Electronic materials/Electric materials
- Research Institution
  National Institute of Advanced Industrial Science and Technology
Development of green-to-yellow semiconductor laser of high reliability using beryllium chalcogenidePrincipal Investigator
- Principal Investigator
  
  AKIMOTO RYOICHI
- Project Period (FY)
  2013 – 2016
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Electronic materials/Electric materials
- Research Institution
  National Institute of Advanced Industrial Science and Technology
サブバンド間遷移の超高速光非線形性を集積化した全光信号処理デバイスに関する研究Principal Investigator
- Principal Investigator
  
  秋本良一
- Project Period (FY)
  2013 – 2015
- Research Category
  
  Grant-in-Aid for JSPS Fellows
- Research Field
  
  Applied optics/Quantum optical engineering
- Research Institution
  National Institute of Advanced Industrial Science and Technology
Low-energy operation of ultrafast all-optical gate switch for all-optical signal processing
- Principal Investigator
  
  ISHIKAWA Hiroshi
- Project Period (FY)
  2005 – 2008
- Research Category
  
  Grant-in-Aid for Scientific Research on Priority Areas
- Review Section
  
  Science and Engineering
- Research Institution
  National Institute of Advanced Industrial Science and Technology
量子構造制御による冷たい高密度光励起とスピン機能性の開拓
- Principal Investigator
  
  嶽山正二郎
- Project Period (FY)
  2003
- Research Category
  
  Grant-in-Aid for Scientific Research on Priority Areas
- Review Section
  
  Science and Engineering
- Research Institution
  The University of Tokyo
Study on photo-induced magnetic transition in II-VI diluted magnetic semiconductor quantum wells with a type band allignment
- Principal Investigator
  
  NAKAMURA Arao
- Project Period (FY)
  2003 – 2005
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Condensed matter physics I
- Research Institution
  Nagoya University

[Journal Article] CdSe quantum dot formation induced by electron beam irradiation2022
- Author(s)
  Akimoto Ryoichi
- Journal Title
  
  Japanese Journal of Applied Physics
  
  Volume: 62 Issue: 1 Pages: 010903-010903
- DOI
  10.35848/1347-4065/aca248
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20H02192
[Journal Article] A comparative study of the operational characteristics of CdSe quantum dots and BeZnCdSe quantum well laser diodes2020
- Author(s)
  Ryoichi Akimoto
- Journal Title
  
  Journal of Applied Physics
  
  Volume: 127 Issue: 1 Pages: 013101-013101
- DOI
  10.1063/1.5129715
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16H04337
[Journal Article] Recombination-Enhanced Effect in Green/Yellow Luminescence from BeZnCdSe Quantum Wells Grown by Molecular Beam Epitaxy2018
- Author(s)
  Ryoichi Akimoto
- Journal Title
  
  Journal of Electronic Materials
  
  Volume: - Issue: 8 Pages: 1-8
- DOI
  10.1007/s11664-018-6090-3
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16H04337
[Journal Article] Room-Temperature Continuous-Wave Operation of BeZnCdSe Quantum-Well Green-to-Yellow Laser Diodes with sub-10 mA Threshold Current2016
- Author(s)
  Feng Jijun, Ryoichi Akimoto
- Journal Title
  
  Proc. of SPIE Vol. 9767, 97670C
  
  Volume: 9767 Pages: 97670C-97670C
- DOI
  10.1117/12.2211916
- Peer Reviewed / Acknowledgement Compliant / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-25289092
[Journal Article] Asymmetric Silicon Slot Waveguide Assisted Polarizing Beam Splitter2016
- Author(s)
  Jijun Feng, Ryoichi Akimoto, Heping Zeng
- Journal Title
  
  IEEE PHOTONICS TECHNOLOGY LETTERS
  
  Volume: 28 Issue: 12 Pages: 1294-1297
- DOI
  10.1109/lpt.2016.2541672
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-13F03507
[Journal Article] Low threshold current yellow BeZnCdSe quantum-well ridge-waveguide laser diodes under continuous-wave room-temperature operation2016
- Author(s)
  Feng Jijun, Ryoichi Akimoto
- Journal Title
  
  APPLIED PHYSICS EXPRESS
  
  Volume: 9 Issue: 1 Pages: 012101-012101
- DOI
  10.7567/apex.9.012101
- NAID
  210000137742
- Peer Reviewed / Acknowledgement Compliant / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-25289092
[Journal Article] Silicon nitride polarizing beam splitter with potential application for intersubband-transition-based all-optical gate device2015
- Author(s)
  Jijun Feng, Ryoichi Akimoto
- Journal Title
  
  Japanese Journal of Applied Physics
  
  Volume: 54 Issue: 4S Pages: 04DG08-04DG08
- DOI
  10.7567/jjap.54.04dg08
- NAID
  210000145021
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-13F03507
[Journal Article] T-shape Suspended Silicon Nitride Ring Resonator for Optical Sensing Applications2015
- Author(s)
  Feng Jijun, Ryoichi Akimoto
- Journal Title
  
  IEEE PHOTONICS TECHNOLOGY LETTERS
  
  Volume: 27 Issue: 15 Pages: 1601-1604
- DOI
  10.1109/lpt.2015.2432124
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-13F03507
[Journal Article] BeZnCdSe quantum-well ridge-waveguide laser diodes under low threshold room-temperature continuous-wave operation2015
- Author(s)
  Feng Jijun, Ryoichi Akimoto
- Journal Title
  
  APPLIED PHYSICS LETTERS
  
  Volume: 10 Issue: 16
- DOI
  10.1063/1.4934359
- Peer Reviewed / Acknowledgement Compliant / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-25289092
[Journal Article] A ZnSe/BeTe p-grading superlattice with a low voltage drop for efficient hole injection in green-yellow BeZnCdSe quantum well laser2015
- Author(s)
  Ryoichi Akimoto
- Journal Title
  
  Proc. of SPIE, Novel In-Plane Semiconductor Lasers XIV
  
  Volume: 9382 Pages: 93821T-93821T
- DOI
  10.1117/12.2078174
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-25289092
[Journal Article] Vertically Coupled Silicon Nitride Microdisk Resonant Filters2014
- Author(s)
  Jijun Feng, Ryoichi Akimoto
- Journal Title
  
  IEEE PHOTONICS TECHNOLOGY LETTERS
  
  Volume: 26 Issue: 23 Pages: 2391-2394
- DOI
  10.1109/lpt.2014.2358216
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-13F03507
[Journal Article] BeZnCdSe量子井戸による緑・黄色レーザ2014
- Author(s)
  秋本良一、葛西淳一、藤崎　寿美子、田中　滋久、辻　伸二、挾間壽文、石川浩
- Journal Title
  
  電気学会研究会資料　光・量子デバイス研究会
  
  Volume: QQD14 Pages: 11-16
- Data Source
  KAKENHI-PROJECT-25289092
[Journal Article] Intersubband All-Optical Logic Gate in InGaAs/AlAsSb Quantum Wells2014
- Author(s)
  Jijun Feng, Ryoichi Akimoto, Shin-ichiro Gozu
- Journal Title
  
  Extended Abstracts of the 2014 International Conference on Solid State Devices and Materials, Tsukuba, 2014
  
  Volume: - Pages: 492-493
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-13F03507
[Journal Article] Three-dimensional silicon nitride polarization beam splitter2014
- Author(s)
  Jijun Feng and Ryoichi Akimoto
- Journal Title
  
  IEEE Photnics Technolgy Letters
  
  Volume: 26 Issue: 7 Pages: 706-709
- DOI
  10.1109/lpt.2014.2303484
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-13F03507
[Journal Article] All-optical XOR logic gate using intersubband transition in III-V quantum well materials2014
- Author(s)
  Jijun Feng, Ryoichi Akimoto, Shin-ichiro Gozu, Teruo Mozume
- Journal Title
  
  OPTICS EXPRESS
  
  Volume: 22 Issue: 11 Pages: 12861-12868
- DOI
  10.1364/oe.22.012861
- Peer Reviewed / Acknowledgement Compliant / Open Access
- Data Source
  KAKENHI-PROJECT-13F03507
[Journal Article] A high extinction ratio silicon nitride polarizing beam splitter2014
- Author(s)
  Jijun Feng, Ryoichi Akimoto
- Journal Title
  
  Extended Abstracts of the 2014 International Conference on Solid State Devices and Materials, Tsukuba, 2014
  
  Volume: - Pages: 480-481
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-13F03507
[Journal Article] Progress of Be-Based II-VI Green to Yellow Laser Diodes2013
- Author(s)
  S. Tanaka, J. Kasai, S. Fujisaki, S. Tsuji, R. Akimoto, T. Hasama, and H. Ishikawa
- Journal Title
  
  2013 Conference on Lasers and Electro-Optics Pacific Rim (CLEO-PR)
  
  Volume: - Pages: 1-2
- DOI
  10.1109/cleopr.2013.6599924
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-25289092
[Journal Article] Cross Phase modulation efficiency enhancement in In_<0.8>Ga_<0.2>As/Al_<0.5>Ga_<0.5>As/AlAs_<0.56>Sb_<0.44> coupled double quantum wells by tailoring interband transition wavelength2009
- Author(s)
  S. Gozu, T. Mozume, R. Akimoto, K. Akita, G. Cong, and H. Ishikawa
- Journal Title
  
  Applied Physics Express vol.2
- NAID
  10025085733
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17068013
[Journal Article] Enhancement of all-optical cross phase modulation in InAlAs/AlAsSb coupled quantum ells using InAlAs coupling barrier2009
- Author(s)
  M. Nagase, R. Akimoto, T. Simoyama, C. Guangwei, T. Mozume, T. Hasama, and H. Ishikawa
- Journal Title
  
  IEEE J. Photonics Technol. Lett. vol.20, no.24
  
  Pages: 2183-2185
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17068013
[Journal Article] Mechanism of ultrafast modulation of refractive index in photoexcited In_xGa_<1-x>/AlAs_ySb_<1-y> quantum well waveguides2008
- Author(s)
  G. W. Cong, R. Akimoto, M. Nagase, T. Mozume, T. Hasama, and H. Ishikawa
- Journal Title
  
  Physical Rev. B vol.78, no.7
  
  Pages: 75308-75308
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17068013
[Journal Article] Ultrafast all-optical refractive index modulation in intersubband transition switch using InGaAs/AlAs/AlAsSb quantum well2007
- Author(s)
  H. Ishikawa, H. Tsuchida, K. S. Abedin, T. Simoyama, T. Mozume, M. Nagase, R. Akimoto and T. Hasama
- Journal Title
  
  Japan J. Appl. Phys. vol.46
- NAID
  10018902902
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17068013
[Journal Article] Electric- and magnetic-field effects on radiative recombination inmodulation n-doped ZnSe/BeTe type-II quantum wells2006
- Author(s)
  Z.Ji, H.Mino, K.Oto, R.Akimoto, K.Ono, S.Takeyama
- Journal Title
  
  Semiconductor Science and Technology 21(1)
  
  Pages: 87-87
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15340096
[Journal Article] Electric- and magnetic-field effects on radiative recombination in modulation n-doped ZnSe/BeTe type-II quantum wells2006
- Author(s)
  Z.Ji, H.Mino, K.Oto, R.Akimoto, K.Ono, S.Takeyama
- Journal Title
  
  Semicond.Sci.Technol. 21・1
  
  Pages: 87-87
- Data Source
  KAKENHI-PROJECT-15340096
[Journal Article] ZnSe interlayer effects on properties of (CdS/ZnSe)/BeTe superlattices grown by molecular beam epitaxy2006
- Author(s)
  B.S.Li, R.Akimoto, K.Akita, T.Hasama
- Journal Title
  
  Journal of Applied Physics 99
  
  Pages: 44912-44912
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-15340096
[Journal Article] Electric-and magnetic-field effects on radiative recombination in modulation n-doped ZnSe/BeTe type-II quantum wells2006
- Author(s)
  Z.Ji, H.Mino, K.Oto, R.Akimoto, K.Ono, S.Takeyama
- Journal Title
  
  Semicond. Sci. Technol. 21・1
  
  Pages: 87-87
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-15340096
[Journal Article] Scanning-tunneling-microscopy observation of heterojunctions with a type-II band alignment in ZnSe/BeTe multiple quantum wells2005
- Author(s)
  I.Yamakawa, Y.Akanuma, R.Akimoto, A.Nakamura
- Journal Title
  
  Applied Physics Letters 86(印刷中)
- Data Source
  KAKENHI-PROJECT-15340096
[Journal Article] Composition profile of ZnSe/BeTe multiple quantum well structures studied by cross-sectional scanning tunneling microscopy2005
- Author(s)
  I.Yamakawa, Y.Akanuma, B.S.Li, R.Akimoto, A.Nakamura
- Journal Title
  
  Japanese Journal of Applied Physics 44・43
- NAID
  10016856724
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-15340096
[Journal Article] Scanning-tunneling-microscopy observation of heterojunctions with a type-II band alignment in ZnSe/BeTe multiple quantum wells2005
- Author(s)
  I.Yamakawa, Y.Akanuma, R.Akimoto, A.Nakamura
- Journal Title
  
  Applied Physics Lettters 86
  
  Pages: 153112-153112
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-15340096
[Journal Article] Composition profile of ZnSe/BeTe multiple quantum well structures studied by cross-sectional scanning tunneling microscopy2005
- Author(s)
  I.Yamakawa, Y.Akanuma, B.S.Li, R.Akimoto, A.Nakamura
- Journal Title
  
  Japanese Journal of Applied Physics 44(43)
- NAID
  10016856724
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15340096
[Journal Article] Scanning-tunneling-microscopy observation of heterojunctions with a type-II band alignment in ZnSe/BeTe multiple quantum wells2005
- Author(s)
  I.Yamakawa, Y.Akanuma, R.Akimoto, A.Nakamura
- Journal Title
  
  Applied Physics Letters 86
  
  Pages: 153112-153112
- Data Source
  KAKENHI-PROJECT-15340096
[Journal Article] Scanning-tunneling-microscopy observation of hetero-junctions with a type-II band alignment in ZnSe/BeTe multiple quantum wells2005
- Author(s)
  I.Yamakawa, Y.Akanuma, R.Akimoto, A.Nakamura
- Journal Title
  
  Applied Physics Letters 86
  
  Pages: 153112-153112
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15340096
[Journal Article] Magnetic field enhanced luminescence in ZnSe/BeMnTe maultiple quantum wells with a type II band alignment2004
- Author(s)
  A.Nakamura, N.Kato, I.Yamakawa, R.Akimoto
- Journal Title
  
  Journal of Luminescence 108
  
  Pages: 65-68
- Data Source
  KAKENHI-PROJECT-15340096
[Patent] 活性層、半導体発光素子、及び活性層の製造方法2021
- Inventor(s)
  秋本良一
- Industrial Property Rights Holder
  国立研究開発法人産業技術総合研究所
- Industrial Property Rights Type
  特許
- Industrial Property Number
  2021-127353
- Filing Date
  2021
- Data Source
  KAKENHI-PROJECT-20H02192
[Patent] 結合量子井戸構造2007
- Inventor(s)
  永瀬成範、秋本良一、石川浩
- Industrial Property Rights Holder
  産業技術総合研究所
- Filing Date
  2007-08-17
- Overseas
- Data Source
  KAKENHI-PROJECT-17068013
[Presentation] Recombination enhanced effect in green/yellow luminescence from BeZnCdSe quantum wells grown by molecular beam epitaxy2017
- Author(s)
  Ryoichi Akimoto
- Organizer
  The 18th International Conference on II-VI Compounds (II-VI 2017)
- Place of Presentation
  San Juan, Puerto Rico
- Year and Date
  2017-09-24
- Data Source
  KAKENHI-PROJECT-25289092
[Presentation] Room-Temperature Continuous-Wave Operation of BeZnCdSe Quantum-Well Green-to-Yellow Laser Diodes with sub-10 mA Threshold Current，Feng Jijun2016
- Author(s)
  Feng Jijun, Ryoichi Akimoto
- Organizer
  Photonics West 2016
- Place of Presentation
  San Francisco/USA
- Year and Date
  2016-02-15
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-25289092
[Presentation] A ZnSe/BeTe p-grading superlattice with a low voltage drop for efficient hole injection in green-yellow BeZnCdSe quantum well laser2015
- Author(s)
  Ryoichi Akimoto
- Organizer
  Photonics West 2015 Optoelectronic Devices and Materials
- Place of Presentation
  The Moscone Center San Francisco, California, United States
- Year and Date
  2015-02-11
- Data Source
  KAKENHI-PROJECT-25289092
[Presentation] T-shape Suspended Silicon Nitride Microring Resonator Sensor2015
- Author(s)
  Feng Jijun, Ryoichi Akimoto
- Organizer
  JSAP-OSA Joint Symposia 2015、第７６回応用物理学会秋季学術講演会と共催
- Place of Presentation
  名古屋国際会議場
- Year and Date
  2015-09-14
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-13F03507
[Presentation] Intersubband All-Optical Logic Gate in InGaAs/AlAsSb Quantum Wells2014
- Author(s)
  Jijun Feng, Ryoichi Akimoto, Shin-ichiro Gozu
- Organizer
  International Conference on Solid State Devices and Materials (SSDM2014)
- Place of Presentation
  つくば国際会議場（茨城県）
- Year and Date
  2014-09-10
- Data Source
  KAKENHI-PROJECT-13F03507
[Presentation] BeZnCdSe量子井戸による緑・黄色レーザ2014
- Author(s)
  秋本良一、葛西淳一、藤崎　寿美子、田中　滋久、辻　伸二、挾間壽文、石川浩
- Organizer
  電気学会研究会（光・量子デバイス研究会）
- Place of Presentation
  東京工業大学（東京都）
- Year and Date
  2014-06-30
- Invited
- Data Source
  KAKENHI-PROJECT-25289092
[Presentation] A high extinction ratio silicon nitride polarizing beam splitter2014
- Author(s)
  Jijun Feng, Ryoichi Akimoto
- Organizer
  International Conference on Solid State Devices and Materials (SSDM2014)
- Place of Presentation
  つくば国際会議場（茨城県）
- Year and Date
  2014-09-09
- Data Source
  KAKENHI-PROJECT-13F03507
[Presentation] Progress of Be-Based II-VI Green to Yellow Laser Diodes2013
- Author(s)
  S. Tanaka, J. Kasai, S. Fujisaki, S. Tsuji, R. Akimoto, T. Hasama, and H. Ishikawa
- Organizer
  2013 Conference on Lasers and Electro-Optics Pacific Rim (CLEO-PR)
- Place of Presentation
  京都
- Invited
- Data Source
  KAKENHI-PROJECT-25289092
[Presentation] Fabrication of all-optical switch based on intersubband transition in InGaAs/AlAsSb quantum wells with DFB structure (査読あり)2008
- Author(s)
  M. Nagase, R. Akimoto, K. Akita, H. Kawashima, T. Mozume, T. Hasama, and H. Ishikawa
- Organizer
  Indium Phosphide and Related Materials
- Place of Presentation
  Versailles France
- Data Source
  KAKENHI-PROJECT-17068013
[Presentation] Ultrafast all-optical switches using intersubband transition in quantum wells (査読なし)2006
- Author(s)
  H. Ishikawa, T. Simoyama, M. Nagase, R. Akimoto, B. Li, K. Akita, and T. Hasama
- Organizer
  International Conference on Indium Phosphide and Related Materials
- Place of Presentation
  Princeton, NJ, USA (invited)
- Data Source
  KAKENHI-PROJECT-17068013

1. FENG Jijun

# of Collaborated Projects: 4 results

# of Collaborated Products: 37 results
2. ISHIKAWA Hiroshi (50392585)

# of Collaborated Projects: 1 results

# of Collaborated Products: 6 results
3. MOZUME Teruo (20399497)

# of Collaborated Projects: 1 results

# of Collaborated Products: 5 results
4. NAGASE Masanori (80399500)

# of Collaborated Projects: 1 results

# of Collaborated Products: 5 results
5. KAWASHIMA Hitoshi (90356840)

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results
6. SUGIMOTO Yoshimasa (60415784)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
7. IKEDA Noki (10415771)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
8. GOZU Shin-ichro (90392729)

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results
9. HAZAMA Toshifumi (90357765)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
10. KUWATSUKA Haruhiko (40417150)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
11. AKITA Kazumichi (50470050)

# of Collaborated Projects: 1 results

# of Collaborated Products: 3 results
12. OGASAWAR Takeshi (00392598)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
13. NAKAMURA Arao (50159068)

# of Collaborated Projects: 1 results

# of Collaborated Products: 7 results
14. 嶽山正二郎 (20163446)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
15. 三野弘文 (40323430)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
16. 秋山英文 (40251491)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
17. GUAN Lim Cheng (10470048)

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results
18. 濱中泰 (20280703)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results

Akimoto Ryoichi 秋本 良一

AKIMOTO RYOICHI 秋本 良一

AKIMOTO Ryoichi 秋本 良一

Research Projects

Research Products

Co-Researchers

Quantum dot formation by electron beam irradiation and application to yellow semiconductor laserPrincipal Investigator

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Quantum dot formation by surface energy control and realization of highly reliable yellow semiconductor laserPrincipal Investigator

Principal Investigator

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Yellow semiconductor laser of high reliability using quantum dot super-latticePrincipal Investigator

Principal Investigator

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Development of green-to-yellow semiconductor laser of high reliability using beryllium chalcogenidePrincipal Investigator

Principal Investigator

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サブバンド間遷移の超高速光非線形性を集積化した全光信号処理デバイスに関する研究Principal Investigator

Principal Investigator

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Low-energy operation of ultrafast all-optical gate switch for all-optical signal processing

Principal Investigator

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量子構造制御による冷たい高密度光励起とスピン機能性の開拓

Principal Investigator

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Study on photo-induced magnetic transition in II-VI diluted magnetic semiconductor quantum wells with a type band allignment

Principal Investigator

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[Journal Article] CdSe quantum dot formation induced by electron beam irradiation2022

Author(s)

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DOI

Data Source

[Journal Article] A comparative study of the operational characteristics of CdSe quantum dots and BeZnCdSe quantum well laser diodes2020

Author(s)

Journal Title

DOI

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[Journal Article] Recombination-Enhanced Effect in Green/Yellow Luminescence from BeZnCdSe Quantum Wells Grown by Molecular Beam Epitaxy2018

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Room-Temperature Continuous-Wave Operation of BeZnCdSe Quantum-Well Green-to-Yellow Laser Diodes with sub-10 mA Threshold Current2016

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Asymmetric Silicon Slot Waveguide Assisted Polarizing Beam Splitter2016

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Low threshold current yellow BeZnCdSe quantum-well ridge-waveguide laser diodes under continuous-wave room-temperature operation2016

Akimoto Ryoichi 秋本良一

AKIMOTO RYOICHI 秋本良一

AKIMOTO Ryoichi 秋本良一