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J-GLOBAL ID：201301048131557551   Update date: Jun. 21, 2024

TAKIGUCHI Koichi

タキグチ コウイチ | TAKIGUCHI Koichi
Affiliation and department：
Ritsumeikan University College of Science and Engineering Department of Electrical and Electronic Engineering

About Ritsumeikan University College of Science and Engineering Department of Electrical and Electronic Engineering


Job title： Professor
Homepage URL  (1)： https://www.ritsumei.ac.jp/news/detail/?id=3526
Research field  (5)： Measurement engineering ,  Communication and network engineering ,  Electronic devices and equipment ,  Electric/electronic material engineering ,  Optical engineering and photonics
Research keywords  (10)： Photonic Computing ,  THz-wave Photonics ,  Optical Waveguide ,  Integrated-photonic Functional Device ,  Optical Signal Processing ,  Information Photonics ,  Optical Metrology ,  Optical Communication ,  Optoelectronics ,  Optoelectronics, Optical Communication, Optical Metrology, Information Photonics, Optical Signal Processing, Integrated-photonic Functional Device, Optical Waveguide, THz-wave Photonics
Research theme for competitive and other funds  (23)：
  • 2022 - 2026 Creation of direct demultiplexing method and circuit in THz-domain for THz-wave OFDM sub-carrier channels
  • 2024 - 2025 THz波の波動性を活用したTHz帯領域直接処理型波形シンセサイザ
  • 2023 - 2025 光スラブ導波路型フーリエ変換回路を用いた高機能光情報信号処理回路の実現
  • 2022 - 2024 地域間デジタル・ディバイドの解消に向けた簡易型THz帯無線通信の実現
  • 2021 - 2024 テラヘルツ帯における直接信号処理を用いた高密度複数搬送波信号分離技術に関する研究
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Papers (160)：
  • Y. Takimoto and K. Takiguchi. Mode group division multiplexing communication with the use of graded-index plastic optical fiber. IEICE Electronics Express. 2024. 21. 5. 20230472-1-20230472-4
  • K. Takiguchi. Integrated-optic chromatic dispersion compensator with completely passive operation and wide operational bandwidth. OPTICA Optics Continuum. 2023. 2. 12. 2529-2539
  • K. Takiguchi and N. Nishio. Pulse amplitude modulation wireless communication in 300 GHz-band employing integrated-optic interferometer-based signal emulator. OPTICA Optics Continuum. 2022. 1. 8. 1741-1751
  • K. Takiguchi and N. Nishio. Pulse amplitude modulation communication in terahertz-band using asymmetric Mach-Zehnder interferometer-type optical signal emulator. SPIE Proceedings. 2022. 12000. 120000D-1-120000D-5
  • K. Takiguchi and N. Nishio. Direct demultiplexing method of terahertz-wave multiple carrier channels in terahertz domain utilizing terahertz-wave asymmetric interferometer. SPIE Proceedings. 2022. 12000. 120000O-1-120000O-5
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MISC (20)：
  • Takiguchi Koichi. C-3-17 Preliminary investigation into integrated-optic filter for variable optical OFDM signals (II). Proceedings of the IEICE General Conference. 2016. 2016. 1. 155-155
  • Takiguchi Koichi. C-3-32 High-speed operation of optical XOR circuit composed of balanced photo-detector and intensity modulator. Proceedings of the Society Conference of IEICE. 2015. 2015. 1. 106-106
  • Takiguchi Koichi. C-3-36 Modulation format converter for mapping OOK to 4-level PAM data using balanced detection and intensity modulation. Proceedings of the IEICE General Conference. 2015. 2015. 1. 160-160
  • Takiguchi Koichi. C-3-4 Optical exclusive OR circuit based on balanced detection and intensity modulation. Proceedings of the IEICE General Conference. 2014. 2014. 1. 159-159
  • Takiguchi Koichi, Kitoh Tsutomu, Oguma Manabu, Hashizume Yasuaki, Takahashi Hiroshi. C-3-11 Optical OFDM demultiplexer using multi-mode interference coupler-based optical DFT circuit. Proceedings of the IEICE General Conference. 2012. 2012. 1. 160-160
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Patents (69)：
  • 光演算装置
  • 無線信号受信システム
  • 直交周波数分割多重信号分離システム
  • 直交周波数分割多重信号分離システム
  • 光直交周波数分割多重伝送用回路
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Books (5)：
  • 光通信技術の最新資料集7, 偏波モード分散(PMD)補償デバイス
    オプトロニクス社 2003
  • 光デバイス精密加工ハンドブック, 偏波分散補償デバイス
    オプトロニクス社 2003
  • 次世代超高速光通信技術-光デバイス開発への技術的課題と克服策-, PLCを用いた分散補償デバイス
    技術情報協会 2003
  • 光通信技術ハンドブック, 分散補償器
    オプトロニクス社 2002
  • Optical fiber sensors, Bias of an optical passive ring-resonator gyro due to the misalignment of the polarization axis in the resonator formed by the polarization-maintaining fiber
    Springer 1989
Lectures and oral presentations  (263)：
  • Optical information signal processing device utilizing integrated-optic technology (Invited talk)
    (The 85th JSAP Autumn Meeting 2024)
  • Mode group division multiplexing communication using graded-index plastic optical fiber (Invited talk, tentative title)
    (IEICE, Technical Committee on Extremely Advanced Optical Transmission Technologies (EXAT) 2024)
  • Flexible opto-electronic logical gate circuit comprising waveguide-based interferometer and photodetector
    (Optica Advanced Photonics Congress 2024 2024)
  • 集積光デバイスとその光通信用光信号処理への応用
    (「光✕コンピューティング」オープンセミナー 2023)
  • Spectrally efficient THz-wave communication using optical-domain or direct THz-domain reception signal processing (Invited talk)
    (EUROPL (International Congress and Expo on Optics, Photonics and Lasers) 2024 2024)
ｍore...
Education (6)：
  • 1989 - 1992 The University of Tokyo Graduate School of Engineering Department of Electrical Engineering
  • - 1992 The University of Tokyo Graduate School of Engineering Department of Electrical Engineering
  • 1987 - 1989 The University of Tokyo Graduate School of Engineering Department of Electrical Engineering
  • - 1989 The University of Tokyo Graduate School of Engineering Department of Electrical Engineering
  • 1983 - 1987 The University of Tokyo Faculty of Engineering Department of Electronic Engineering
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Professional career (1)：
  • Ph.D. (The University of Tokyo)
Work history (11)：
  • 2012/04 - 現在 Ritsumeikan University Department of Electrical and Electronic Engineering, College of Science and Engineering
  • 2014/04 - 2015/03 立命館大学 理工学部 電子光情報工学科
  • 2014/04 - 2015/03 Ritsumeikan University Department of Photonics, College of Science and Engineering
  • 1992/04 - 2012/03 日本電信電話株式会社 研究所
  • 1992/04 - 2012/03 日本電信電話株式会社 研究所
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Committee career (54)：
  • 2022/07 - 2023/11 IEICE Transactions on Electronics, Joint Special Section on Opto-electronics and Communications for Future Optical Network Guest Associate Editors
  • 2010/12 - 2023/01 IEEE Photonics Technology Letters (PTL) Associate Editor
  • 2019/12 - 2022/07 国際会議 OECC 2022 プログラム委員会 カテゴリチェア (Optical Passive Devices and Modules 分野)
  • 2019/12 - 2022/07 国際会議 OECC 2022 プログラム委員会 カテゴリチェア (Optical Passive Devices and Modules 分野)
  • 2019/12 - 2020/10 国際会議 OECC 2020 プログラム委員
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Awards (5)：
  • 2022/11 - The Institute of Electrical and Electronics Engineers (IEEE) IEEE Photonics Technology Letters, Associate Editor Service Award
  • 2019/06 - The Institute of Electronics, Information and Communication Engineers (IEICE) Best Paper Award Demultiplexing method of variable capacity optical OFDM signal using time lens-based optical Fourier transform
  • 2014/03 - The Institute of Electronics, Information and Communication Engineers (IEICE) Electronics Society Activity Testimonial
  • 2011/03 - The Institute of Electronics, Information and Communication Engineers (IEICE) Electronics Society Activity Testimonial
  • 1997/10 - The Institution of Electrical Engineers (IEE) Electronics Letters, Premium Award 1 Tbit/s (100 Gbit/s x 10 channel) OTDM/WDM transmission using a single supercontinuum WDM source
Association Membership(s) (5)：
The International Society for Optical Engineering ,  The Japan Society of Applied Physics (JSAP) ,  The Institute of Electronics, Information and Communication Engineers (IEICE) ,  OPTICA (Formerly OSA) ,  The Institute of Electrical and Electronics Engineers (IEEE)
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