Fellows
/Senior Distinguished
Researchers
/Distinguished
Researchers

Distinguished Researcher Takui Uematsu
  • Distinguished Researcher

    Takui Uematsu

  • NTT Access Network Service Systems Laboratories

Research on the advancement of optical connectivity technology that contributes to more flexible and sophisticated optical networks

Contribute to the sustainable development and innovation of future optical transmission infrastructure through research and international standardization of advanced and sophisticated optical coupling and connecting technologies.

In this page

Awards

  • IEICE Hokkaido Branch Student Award (2014)
  • IEICE Young Researcher's Award (2020)

Academic Activities

  • IEC/TC86/SC86B Assistant Secretary (2024~)
  • IEC 61754-4:2022/AMD1 Project Leader (2024~)
  • IEC 61754-6:2022/AMD1 Project Leader (2024~)
  • IEC/TC86/SC86B WG4, WG6 Expert (2022~)
  • IEC/TC86/JWG9 Expert (2025~)
  • JIS standardization committee of optical connector, Chair (2024~)
  • JIS standardization committee of fiber optics, Member (2014~)
  • JIS planning and coordination committee, Member (2014~)

Publications

Papers

  • T. Uematsu, Y. Ishizaka, Y. Kawaguchi, K. Saitoh and M. Koshiba, "Design of a Compact Two-Mode Multi/Demultiplexer Consisting of Multimode Interference Waveguides and a Wavelength-Insensitive Phase Shifter for Mode-Division Multiplexing Transmission," in Journal of Lightwave Technology, vol. 30, no. 15, pp. 2421-2426, Aug.1, 2012.
  • T. Uematsu, T. Kitayama, Y. Ishizaka and K. Saitoh, "Ultra-Broadband Silicon-Wire Polarization Beam Combiner/Splitter Based on a Wavelength Insensitive Coupler With a Point-Symmetrical Configuration," in IEEE Photonics Journal, vol. 6, no. 1, pp. 1-8, Feb. 2014.
  • T. Uematsu, T. Kiyokura, H. Hirota, H. Iida, T. Kawano and T. Manabe, "Temporary Optical Coupler for Optical Cable Re-Routing Without Service Interruption," in IEEE Photonics Journal, vol. 10, no. 3, pp. 1-11, June 2018.
  • T. Uematsu, H. Hirota, T. Kawano, T. Kiyokura and T. Manabe, "Design of a Temporary Optical Coupler Using Fiber Bending for Traffic Monitoring," in IEEE Photonics Journal, vol. 9, no. 6, pp. 1-13, Dec. 2017.
  • T. Uematsu, H. Hirota, T. Kawano, H. Iida, K. Noto and K. Katayama, "Temperature-Independent Temporary Optical Coupler Using Fiber Bending Technique," in Journal of Lightwave Technology, vol. 41, no. 9, pp. 2834-2839, 1 May1, 2023.
  • T. Uematsu, K. Noto, H. Iida, H. Hirota and K. Katayama, "Optical Coupling Technique Based on Fiber Side-Polishing Without Service Interruption," in IEEE Photonics Technology Letters, vol. 34, no. 19, pp. 1042-1045, 1 Oct.1, 2022.
  • T. Uematsu, K. Noto, H. Iida, C. Fukai and I. Ogushi, "Asymmetric Curvature Side-Polished Optical Fiber Coupler," in IEEE Photonics Journal, vol. 15, no. 4, pp. 1-6, Aug. 2023.
  • T. Uematsu, K. Noto, C. Fukai and I. Ogushi, "Variable Branching of Any Single-Mode Fiber Installed in Optical Access Networks," in Journal of Lightwave Technology, Early access.

Keywords

Optical fiber, Optical connector, Optical coupling, Optical transmission line, Optical network

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