【Professional Experience】

  • Professor, Waseda University (Apr. 2022 to present)
  • Principal Research Engineer, KDDI Research (Apr. 2020 to Mar. 2022)
  • Executive Director, KDDI Research (Oct. 2011 to Mar. 2020)
  • Group Leader, KDDI R&D Laboratories (Apr. 2009 to Oct. 2011)
  • Senior Researcher, KDDI R&D Laboratories (Oct. 2004 to Apr. 2009)
  • Research Engineer, KDD Laboratories (Aug. 1999 to Oct. 2004)
  • Visiting Scholar, Stanford University (Aug. 1998 to Aug. 1999)
  • Research Engineer, KDD Laboratories (Mar. 1994 to Aug. 1998)
  • Osaka Telecommunication Center, Kokusai Denshi Denwa (Apr. 1992 to Mar. 1994)

【Education】

  • Dr. Eng., Electrical and Electronic Engineering, Tokyo Institute of Technology (March 2005)
  • M.E., Physical Electronics, Tokyo Institute of Technology (March 1992)
  • B. E., Physical Electronics, Tokyo Institute of Technology (March 1990)

【Academic Society Activities】

  • Distinguished Lecturer, IEICE (2026-)
  • Topical Editor, Optical Review (2026-)
  • Vice Chair, IEEE Photonics Society Fellows Evaluation Committee (2026)
  • Member, IEEE Photonics Society Fellows Evaluation Committee (2025)
  • Series Editor, IEEE Communications Magazine (2022-2024)
  • Chair, IEEE Tokyo Section Fellow Nomination Committee (2023-2024)
  • Chair, IEEE Photonics Society Tokyo Section Chapter (2021)
  • Member, Technical Committee on Photonic Network, IEICE (2024-)
  • Chair, Technical Committee on Extreme Advanced Transmission Technologies, IEICE (2020-2022)
  • Chair, Technical Committee on Optical Communication Systems, IEICE (2017-2019)

【International Conference Activities】

  • General Co-Chair
    • ACP2025
  • Technical Program Committee
    • OAA: 2001, 2002, 2003
    • OFC: 2004, 2005, 2006
    • OECC: 2004, 2011, 2012, 2013(Category Chair), 2014, 2018, 2020, 2021
    • LEOS Summer Topicals: 2004, 2008
    • COIN: 2008, 2010, 2011(Category Chair)
    • APOC: 2008, 2009, 2010
    • iPOP: 2013(Chair)
    • IPC: 2014, 2015, 2016, 2017, 2018, 2026(Topic Co-Chair)
    • ECOC: 2017, 2018, 2019, 2020, 2021
    • ACP: 2019, 2021
  • Publication Chair
    • COIN2012

【Awards】

  • Presidential Teaching Award, Waseda University (2025)
  • C&C Prize, NEC C&C Foundation (2024)
  • Achievement Award, IEICE (2021)
  • Telecommunication System Award, Telecommunication Advancement Foundation (2021)
  • Fellow, IEEE (2021)
  • Fellow, IEICE (2020)
  • Ichimura Prize in Industry for Distinguished Achievement, Ichimura Foundation (2018)
  • Hisoka Maejima Award, Tsushinbunka Association (2012)
  • Sankei Advanced Technology Award Minister of Economy, Trade and Industry Award (2006)
  • Young Researcher Award, IEICE (1998)