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J-GLOBAL ID:201601002794195591   Update date: Jun. 01, 2021

Chiba Akito

Chiba Akito
Affiliation and department:
Research field  (3): Electronic devices and equipment ,  Communication and network engineering ,  Optical engineering and photonics
Research keywords  (3): Optical Measurement and Applied Optics ,  Optical Physics ,  Optical Communication
Research theme for competitive and other funds  (11):
  • 2020 - 2024 Frequency downconversion and high-sensitivity measurement of millimeter-wave band RF signals with an assistance of optical two-tone signals
  • 2018 - 2023 Optical Discrete Time-Frequency Transform for Ultrafast Communications
  • 2020 - 2022 光干渉断層像の高速取得を実現する波長可変性の実証
  • 2018 - 2022 Optical Subcarrier Processing for Nyquist SCM Signals using Four-Wave Mixing with Coherent Pumps
  • 2015 - 2019 Optical time-frequency multiplexer for high-speed and high-density optical communication networks
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Papers (53):
MISC (62):
  • Akito. Chiba, Takahide Sakamoto. Double frequency-spacing optical comb generation based on I-Q optical modulation (INVITED). Proc. International Conference on Technology and Social Science 2019 (ICTSS 2019). 2019
  • Akito Chiba, Yosuke Akamatsu, Kazumasa Takada. Sextupled frequency-spacing optical two-tone signals using selective polarization-rotation by a negative-index modulation (INVITED). Proc. International Conference on Sensor Networks and Signal Processing (SNSP 2018). 2018
  • Akito Chiba, Yosuke Akamatsu, Kazumasa Takada. Generation of wide frequency-spacing optical two-tone signal utilizing polarization and optical phase shift induced by RF phase (INVITED). Proc. Progress In Electromagnetics Research Symposium 2018 (partly organized by Science Council of Japan). 2018
  • Akito Chiba. Optical two-tone signal generation based on bidirectional optical modulation in one polarization mode of polarization-maintaining Sagnac interferometer (INVITED). International Conference on Mechanical, Electrical and Medical Intelligent System 2017. 2017
  • Yusuke Sunaga, Akito Chiba, Kazumasa Takada. Proposal of RF phase measurement utilizing two-electrodes optical phase modulator and low-speed photodiode. Proc. International Conference on Mechanical, Electrical and Medical Intelligent System 2017. 2017. 1-2
more...
Patents (9):
  • 光波長変換方法および光波長変換装置
  • バイアス点調整機能を有する光変調器及びスイッチ
  • バイアス点調整が可能な複数のマッハツェンダー構造を有する光変調器
  • 光干渉トモグラフィー装置、光形状計測装置
  • 直交振幅変調信号発生装置
more...
Lectures and oral presentations  (82):
  • 電気光学効果を用いた光位相変調によるRFパラメータ計測の提案と実証
    (電子情報通信学会光エレクトロニクス(OPE)研究会 2019)
  • 2 電極型単一MZM を用いた光変調によるRF位相計測
    (Optics and Photonics Japan 2017 (OPJ2017) 2017)
  • 偏光操作を用いる光2トーン信号生成における安定性の向上
    (第63回応用物理学関係連合講演会 2016)
  • 変調度が異なる光波の合成と偏光操作により抽出された高次光側帯波の評価
    (電子情報通信学会光エレクトロニクス(OPE)研究会 2016)
  • 光側帯波の偏光操作による6逓倍信号の生成
    (第62回応用物理学会春季学術講演会 2015)
more...
Education (3):
  • 2002 - 2005 Hokkaido University Ph. D. Course
  • 2000 - 2002 Hokkaido University Master Course
  • - 2000 Hokkaido University Electric and Precision Engineering
Professional career (3):
  • Master of Engineering (Hokkaido University)
  • Bachelor of Engineering (Hokkaido University)
  • Ph. D. (Hokkaido University)
Work history (6):
  • 2013/04 - 現在 Graduate school of Science and Technology, Gunma University
  • 2014 - 2020 National Institute of Information and Communications Technology
  • 2018 - 2018 Univ. of California, Los Angeles
  • 2011 - 2013/03 Gunma University Graduate school of Engineering
  • 2010 - 2011 国立大学法人静岡大学工学部
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Committee career (1):
  • 2015/04 - 2016/09 一般社団法人電気学会 平成28年電気学会産業応用部門大会実行委員(理科教室担当)
Awards (2):
  • 2020/10 - 24th Yokoyama Award http://www.st.gunma-u.ac.jp/yaward/news/news2020101601.html
  • 2000/03 - Faculty of Engineering, Hokkaido University Prof. Yoshimachi Memorial award
Association Membership(s) (5):
The Institute of Electronics, Information and Communication Engineers ,  Optical Society of Japan ,  IEEE Photonics Society ,  Japan Society of Applied Physics ,  The Optical Society
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