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J-GLOBAL ID：200901051837042900   Update date: Sep. 27, 2024

Kokubun Yasuo

コクブン ヤスオ | Kokubun Yasuo
Affiliation and department：
Institute of Technologists

About Institute of Technologists


Job title： Executive Advisor to the President
Research field  (1)： Optical engineering and photonics
Research theme for competitive and other funds  (30)：
  • 2021 - 2025 Development of cryogenic ultralow-voltage optical modulator for optical interconnection for superconducting quantum computing
  • 2021 - 2024 Development of ultra-low power consumption semiconductor optical modulator integrated with antenna for next-generation radio-over-fiber systems
  • 2018 - 2021 Ultralow-voltage optical modulator for optical interconnection of superconductor integrated circuits
  • 2016 - 2018 Multi-dimensional multi-level mode modulation with ultra-high spectral efficiency using higher order degenerate modes in optical fiber
  • 2015 - 2018 Study on all-optical binary logic processor with ultra-low threshold for digital photonics
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Papers (364)：
  • Masaharu Ohashi, Shoichiro Matsuo, Tetsuya Hayashi, Katsunori Imamura, Yasuo Kokubun, Masanori Koshiba, Takayoshi Mori, Kazuhide Nakajima, Masataka Nakazawa, Kunimasa Saitoh, et al. Optical Fibers for Space-Division Multiplexing. Springer Series in Optical Sciences. 2022. 236. 39-170
  • Ryosuke Aoki, Mao Yamauchi, Naoki Kobayashi, Yusaku Kawamura, Taro Arakawa, Yasuo Kokubun. Switchable all-optical flip-flop and inverter operations in quantum well microring laser. Journal of Lightwave Technology. 2020. 38. 15. 3950-3958
  • Mao Yamauchi, Yasuo Kokubun, Taro Arakawa. Design of High-Order Microring Resonator-Based Chebyshev Wavelength Filter Using Digital Filter Design Method. MOC 2019 - 24th Microoptics Conference. 2019. 130-131
  • Ryosuke Aoki, Naoki Kobayashi, Yusaku Kawamura, Taro Arakawa, Yasuo Kokubun. Demonstration of Switchable All-Optical Flip-flop and Inverter Operations in Semiconductor Microring Laser. Conference Digest - IEEE International Semiconductor Laser Conference. 2018. 2018-. 151-152
  • Naoki Kobayashi, Yusaku Kawamura, Ryosuke Aoki, Yasuo Kokubun. Nonlinear model analysis of all-optical flip-flop and inverter operations of microring laser. Japanese Journal of Applied Physics. 2018. 57. 3
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MISC (62)：
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Patents (60)：
  • Coupled System Multi-Core Fiber, Coupling Mode Multiplexer and Demultiplexer, System for Transmission Using Multi-Core Fiber and Method for Transmission Using Multi-Core Fiber
  • マルチコアファイバおよびマルチコアファイバのコアの配置方法(US出願)
  • モード合分波器
  • マルチコアファイバおよびマルチコアファイバのコアの配置方法(CN出願)
  • マルチコアファイバおよびマルチコアファイバのコアの配置方法(EPC出願)
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Books (15)：
  • Lightwave Engineering
    CRC Press 2012 ISBN:9781420046489
  • "Series and parallel coupled add/drop filters and FSR extension," in Photonic Microresonator Research and Applications, Chapter 3
    Springer 2010 ISBN:9781441917
  • Encyclopedic Handbook of Integrated Optics
    CRC Press (Taylor & Francis Group) 2005
  • フォトニック結晶技術の新展開-産業への動向-,第19章「高屈折率差光導波路と部品」
    シーエムシー出版 2005
  • 光波光学
    共立出版 1999
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Lectures and oral presentations  (43)：
  • 数モードファイバ用テーパ-結合逐次モード遷移型モード合分波器の設計と製作
    (電子情報通信学会光通信インフラの飛躍的高度化に関する研究専門委員会(EXAT研究会) 2014)
  • ”空間多重・モード多重ファイバ用入出力技術” BCI-1-5
    (2014年電子情報通信学会総合大会シンポジウム 2014)
  • ”空間多重・モード多重による超大容量光通信”(招待講演), IPDA13-20,(予稿集pp.43-50)
    (電子情報通信学会集積光デバイスと応用技術時限研究会 2014)
  • 光通信デバイス研究の歩みと最先端の研究について (招待講演)
    (電子情報通信学会光エレクトロニクス研究会(第2種研究会) 2012)
  • 空間多重/モード多重伝送用マルチコアファイバの研究開発動向 (招待講演)
    (第59回応用物理学関係連合講演会 2012)
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Education (3)：
  • - 1980 Tokyo Institute of Technology Graduate School, Division of Integrated Science and Engineering
  • - 1977 Tokyo Institute of Technology Graduate School, Division of Science and Engineering
  • - 1975 Yokohama National University Faculty of Engineering
Professional career (3)：
  • Doctor of Engineering (Tokyo Institute of Technology)
  • Master of Engineering (Tokyo Institute of Technology)
  • Bachelor of Engineering (Yokohama)
Work history (11)：
  • 2022/04 - 現在 Institute of Technologists President, Professor
  • 2021/09 - 現在 Institute of Technologists Executive Advisor to the President
  • 2021/04 - 2021/08 Chubu University Executive Advisor to the President/Professor
  • 2018/04 - 2021/03 Chubu University Vice President, Professor
  • 2001/04 - 2018/03 Yokohama National University Faculty of Engineering Professor
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Committee career (31)：
  • 2008/10 - 現在 日本学術会議 連携会員
  • 1987/05 - 現在 電子情報通信学会論文誌査読委員会 委員
  • 1984/01 - 現在 応用物理学会微小光学研究グループ 実行委員
  • 2010/04 - 2012/03 光通信インフラの飛躍的な高度化に関する時限研究専門委員会 委員
  • 2006/04 - 2009/03 神奈川工業技術開発大賞選考委員会 委員
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Awards (15)：
  • 2019/09 - The Institute of Electronics, Information, and Communication Engineers, Electronics Society ELEX Best Paper Award Demonstration of true-eigenmode propagation in few-mode fibers by selective LP mode excitation and near-field observation
  • 2018/03 - The Institute of Electronics, Information, and Communication Engineers Distinguished Educational Practitioners Award Contribution to education of researchers and engineers in photonics fields
  • 2015/12/17 - 電子情報通信学会 電子情報通信学会2015年光通信システム研究会論文賞 3モードファイバの近視野像偏光成分からの完全モード分析法
  • 2010/09/15 - ELEX Best Paper Award
  • 2010/01/01 - IEEE Fellow Elevation : Citation: for contributions to integrated photonic devices,
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Association Membership(s) (4)：
Optical Sosicety of America ,  IEEE ,  THE JAPAN SOCIETY OF APPLIED PHYSICS ,  THE INSTITUTE OF ELECTRONICS, INFORMATION AND COMMUNICATION ENGINEERS
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