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J-GLOBAL ID：200901087864359562   Update date: Oct. 10, 2024

Iiyama Koichi

イイヤマ コウイチ | Iiyama Koichi
Affiliation and department：
Kanazawa University Institute of Transdisciplinary Sciences for Innovation, Faculty of Transdisciplinary Sciences for Innovation

About Kanazawa University Institute of Transdisciplinary Sciences for Innovation, Faculty of Transdisciplinary Sciences for Innovation


Job title： Professor
Research field  (3)： Measurement engineering ,  Electronic devices and equipment ,  Optical engineering and photonics
Research keywords  (6)： Optical interferometric sensing ,  Optical sensing ,  Optical fiber sensor ,  Optical fiber ,  Photodetector ,  Lightwave circuit
Research theme for competitive and other funds  (17)：
  • 2020 - 2023 Development of long-range, high ranging resolution and crosstalk-free LiDAR by FMCW method
  • 2017 - 2020 Development of highly accurate and high-speed three dimensional object profiling system by using optical frequency-swept laser light
  • 2012 - 2015 Development of highly accurate non-contact object profiling system by using optical frequency-swept laser source
  • 2006 - 2008 Development of Optical and Millimeter-wave Amplifier Utilizing Electron Beam
  • 2005 - 2006 Fabrication of Si photonic wire waveguide by utilizing selective oxidation of Si
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Papers (119)：
  • Xingjian Xu, Jiaxun You, Md. Shahiduzzaman, Tetsuya Taima, Koichi Iiyama. I-V characteristics and frequency response of organic photodetector based on structure of organic photovoltaics. International Symposium on Imaging, Sensing, and Optical Memory 2023 (ISOM’23). 2023
  • Jiaxun You, Yuto Sugita, Zhixuan Cheng, Koichi Iiyama. Multiplexed fiber Bragg grating sensor system combined incoherent FMCW optical ranging system for interrogation of sensor signals. International Symposium on Imaging, Sensing, and Optical Memory 2023 (ISOM’23). 2023
  • Yuki Momose, Kosei Kondo, Yasuyuki Mori, Koichi Iiyama. Fast and accurate FMCW LiDAR by using pre-distorted modulation waveform for optical frequency chirp. International Symposium on Imaging, Sensing, and Optical Memory 2023 (ISOM’23). 2023
  • Yogetsu Nagasaka, Asuka Higuchi, Koichi Iiyama. Fast and accurate three-dimensional object profiling by FMCW optical ranging system using pre-distorted modulation signal for optical frequency chirp. International Symposium on Imaging, Sensing, and Optical Memory 2023 (ISOM’23). 2023
  • Takumi Shoji, Keijyu Hashida, Masaki Kaneda, Ibuki Hata, Md. Shahiduzzaman, Makoto KARAKAWA, Tetsuya TAIMA, Koichi Iiyama, Masahiro Nakano. Doping of 1,1-dicyano-2,2-bis(methylthio)ethylene in ZnO to improve photoresponce of organic solar cells and photodetectors under UV-cut light irradiation. Japanese Journal of Applied Physics. 2023
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MISC (65)：
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Patents (3)：
  • 成膜方法及び成膜装置
  • 光半導体装置
  • 半導体装置
Lectures and oral presentations  (66)：
  • High-speed three-dimensional object profiling using fmcw optical ranging system by continuous scanning of laser beam
    (International Symposium on Imaging, Sensing, and Optical Memory 2020 (ISOM’20) 2020)
  • Wavelength Dependent Photodetection Characteristics of Avalanche Photodiode Fabricated by Standard CMOS Process
    (2016 International Conference on Solid State Devices and Materials (SSDM 2016) 2016)
  • Sub-um electrode spacing SOI-PIN photodiode fabricated by CMOS compatible process
    (21st Optoelectronics and Communication Conference (OECC 2016) 2016)
  • Linearizing optical frequency sweep of a DFB laser by modulation waveform optimization for high resolution FMCW sensing system
    (International Symposium on Engineering and Applied Science (ISEAS) 2015)
  • Optimizing silicon avalanche photodiode fabricated by standard CMOS process for 8 GHz operation
    (1st International Conference on Telematics and Future Generation Networks (TAFGEN 2015) 2015)
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Works (5)：
  • 光周波数掃引法による高分解能レーザ光距離センシングシステムの開発
    2009 -
  • Development of high-resolution optical ranging system by using a frequency-swrpt laser
    2009 -
  • ほくりく健康創造クラスター「広汎性発達障害の診断・治療・経過観察総合システムの開発」
    2008 -
  • Hokuriku Lifecare Cluster
    2008 -
  • 光導波路解析および光測定系構築に関する共同研究
    2000 -
Education (2)：
  • - 1987 Kanazawa University
  • - 1985 Kanazawa University Faculty of Engineering
Professional career (1)：
  • 博士(工学)
Work history (6)：
  • 2009/04 - 現在 Kanazawa University Professor
  • 2007/04 - 2009/03 Kanazawa University Associate Professor
  • 1996/10 - 2004/03 Kanazawa University Associate Professor
  • 1995/06 - 1996/09 Kanazawa University Lecture
  • 1988/04 - 1995/05 Kanazawa University Assistant Professor
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Committee career (3)：
  • 2004 - 2005 応用物理学会 北陸・信越支部役員
  • 1998 - 1999 光産業技術振興協会 光技術動向調査委員会委員
  • 1998 - 1999 電子情報通信学会 北陸支部評議員
Awards (3)：
  • 2016/10 - International Symposium on Optical Memory 2016 (ISOM’16) Special Award Three-dimensional object profiling using FMCW optical sensing system
  • 2014/08 - 2014 2nd International Conference on Electronic Design (ICED 2014) Best Paper Award Linearization of nonlinear beat frequency in FMCW interferometry through waveform modifying technique
  • 2013/06 - The 4th International Symposium on Organic and Inorganic Electronic Materials and Related Nanotechnologies (EM-NANO 2013) Best Poster Award Metamorphic InAlAs MSM Photodetector on GaAs Substrate
Association Membership(s) (4)：
レーザー学会 ,  応用物理学会 ,  アメリカ電気電子学会(IEEE) ,  電子情報通信学会
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