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Overview

Takahide Sakamoto is affiliated with Tokyo Metropolitan University in Japan and conducts research primarily in the fields of Engineering and Physics and Astronomy. Their work is concentrated in subfields such as Electrical and Electronic Engineering, Atomic and Molecular Physics and Optics, Biomedical Engineering, and Artificial Intelligence.

The researcher's main topics of study encompass a range of photonics and communication technologies, including:

  • Photonic and Optical Devices
  • Advanced Photonic Communication Systems
  • Advanced Fiber Laser Technologies
  • Optical Network Technologies
  • Advanced Fiber Optic Sensors
  • Optical Coherence Tomography Applications
  • Neural Networks and Reservoir Computing

Their publications have appeared in a variety of venues, reflecting a strong presence in optics and photonics conferences and journals. Frequent publication venues include:

  • Conference on Lasers and Electro-Optics
  • 2022 IEEE Photonics Conference (IPC)
  • IEICE Electronics Express
  • IEICE Transactions on Communications
  • Journal of the Optical Society of America B

Notable recent papers include the following:

  • "Variable-linewidth light source based on Brownian motion random walk in optical phase," 2020, IEICE Electronics Express
  • "Fiber Nonlinearity Compensation Using Nonlinear Equalizer Based on Complex-Valued Reservoir Computing," 2024, IEICE Transactions on Communications
  • "PAM4 Receiver based on Quantum-dot SOA Preamplifier for Short-Reach Applications," 2020, Conference on Lasers and Electro-Optics
  • "Wideband Ultra-Flat Spectral Enhancement by Cascaded Phase Modulation on Frequency Comb Generated from Mach-Zehnder Modulator," 2022, Conference on Lasers and Electro-Optics
  • "Super Agile High Resolution Spectrum Analyzer by Sampled Heterodyne System," 2022, Conference on Lasers and Electro-Optics

Sakamoto has collaborated frequently with several researchers, including:

  • Naokatsu Yamamoto
  • Tatsuki Ishijima
  • Guo-Wei Lu
  • Hideto Takayasu
  • Jun Mochizuki

Best Publications

  • Asymptotic formalism for ultraflat optical frequency comb generation using a Mach-Zehnder modulator.

    Takahide Sakamoto;Tetsuya Kawanishi;Masayuki Izutsu

  • High-Speed Control of Lightwave Amplitude, Phase, and Frequency by Use of Electrooptic Effect

    T. Kawanishi;T. Sakamoto;M. Izutsu

  • 40 Gb/s W-band (75–110 GHz) 16-QAM radio-over-fiber signal generation and its wireless transmission

    Atsushi Kanno;Keizo Inagaki;Isao Morohashi;Takahide Sakamoto

  • 25.6-Tb/s WDM Transmission of Polarization-Multiplexed RZ-DQPSK Signals

    A.H. Gnauck;G. Charlet;P. Tran;P.J. Winzer

  • Widely wavelength-tunable ultra-flat frequency comb generation using conventional dual-drive Mach-Zehnder modulator

    T. Sakamoto;T. Kawanishi;M. Izutsu

  • 25.6-Tb/s C+L-band transmission of polarization-multiplexed RZ-DQPSK signals

    Alan H. Gnauck;Gabriel Charlet;Patrice Tran;Peter Winzer

  • 100Gbit/s DQPSK Transmission Experiment without OTDM for l00G Ethernet Transport

    M. Daikoku;I. Morita;H. Taga;H. Tanaka

  • High Extinction Ratio Mach–Zehnder Modulator Applied to a Highly Stable Optical Signal Generator

    H. Kiuchi;T. Kawanishi;M. Yamada;T. Sakamoto

  • Ultrafast all-optical switching by cross-absorption modulation in silicon wire waveguides.

    T.K. Liang;L.R. Nunes;T. Sakamoto;K. Sasagawa

  • High-speed optical FSK modulator for optical packet labeling

    T. Kawanishi;K. Higuma;T. Fujita;J. Ichikawa

  • Optical frequency comb generator using optical fiber loops with single-sideband modulation

    Tetsuya Kawanishi;Takahide Sakamoto;Satoshi Shinada;Masayuki Izutsu

  • 10 GHz, 2.4 ps pulse generation using a single-stage dual-drive Mach-Zehnder modulator

    Takahide Sakamoto;Tetsuya Kawanishi;Masahiro Tsuchiya

  • Widely repetition-tunable 200 fs pulse source using a Mach-Zehnder-modulator-based flat comb generator and dispersion-flattened dispersion-decreasing fiber.

    Isao Morohashi;Takahide Sakamoto;Hideyuki Sotobayashi;Tetsuya Kawanishi

  • Optoelectronic oscillator using a LiNbO3 phase modulator for self-oscillating frequency comb generation

    Takahide Sakamoto;Tetsuya Kawanishi;Masayuki Izutsu

  • High-speed optical DQPSK and FSK modulation using integrated Mach-Zehnder interferometers.

    Tetsuya Kawanishi;Takahide Sakamoto;Tetsuya Miyazaki;Masayuki Izutsu

  • All-optical wavelength conversion of 500-fs pulse trains by using a nonlinear-optical loop mirror composed of a highly nonlinear DSF

    T. Sakamoto;F. Futami;K. Kikuchi;S. Takeda

  • 20-Gb/s QPSK W-band (75-110GHz) wireless link in free space using radio-over-fiber technique

    Atsushi Kanno;Keizo Inagaki;Isao Morohashi;Takahide Sakamoto

  • 10 x 107-Gb/s NRZ-DQPSK Transmission at 1.0 b/s/Hz over 12 x 100 km Including 6 Optical Routing Nodes

    Peter J. Winzer;Greg Raybon;S. Chandrasekhar;Christopher R. Doerr

  • LiNbO3 high-speed optical FSK modulator

    T. Kawanishi;K. Higuma;T. Fujita;J. Ichikawa

  • 50-Gb/s 16 QAM by a quad-parallel Mach-Zehnder modulator

    Takahide Sakamoto;Akito Chiba;Tetsuya Kawanishi

Frequent Co-Authors

Tetsuya Kawanishi
Tetsuya Kawanishi Waseda University
Atsushi Kanno
Atsushi Kanno National Institute of Information and Communications Technology
Kazuro Kikuchi
Kazuro Kikuchi National Institution for Academic Degrees and Quality Enhancement of Higher Education
Naoya Wada
Naoya Wada National Institute of Information and Communications Technology
Ryan P. Scott
Ryan P. Scott Keysight Technologies (United States)
Peter J. Winzer
Peter J. Winzer Nokia (United States)
Christopher R. Doerr
Christopher R. Doerr Doerr Consulting LLC
Yuefeng Ji
Yuefeng Ji Beijing University of Posts and Telecommunications
Yasutake Ohishi
Yasutake Ohishi Toyota Technological Institute

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