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Researcher Information

last modified:2021/10/01

Associate Professor KUWAMURA Yuji

Mail

Faculty, Affiliation

Faculty of Electrical, Information and Communication Engineering,Institute of Science and Engineering

College and School Educational Field

Division of Electrical Engineering and Computer Science, Graduate School of Natural Science and Technology
Division of Electrical Engineering and Computer Science, Graduate School of Natural Science and Technology
Course in Electrical and Electronic Engineering, School of Electrical, Information and Communication Engineering, College of Science and Engineering

Laboratory

 TEL:076-234-4867 FAX:076-234-4870

Academic Background

【Academic background(Doctoral/Master's Degree)】
The University of Tokushima Master Graduate School, Division of Engineering 198303 Completed
【Academic background(Bachelor's Degree)】
The University of Tokushima 198103

Career

Year & Month of Birth

1959/01

Academic Society


Award

Specialities

Applied Optics and Quantum Optics、Electron Devices and Apparatus Engineering、Electron device/Electronic equipment、、Electronic materials/Electric materials

Speciality Keywords

Applied Optics, Quantum Optics Electron Devices, Apparatus Engineering

Research Themes

Study on Optical Devices

Development of Photonic and Electromagnetic Devices Using by a Traveling Electron Beam

Books

  •  Ultrafast and Ultra-parallel Optoelectronics Ohmsha, John Wiley & Sons 1995/08
  •  M.Yamada and Y.Kuwamura Development of Ultra-Wide-Band Optical Amplifire 2005

Papers

  •  Observation of optical emission using the interaction between an electron beam and surface plasmons on silver gratings Yuji Kuwamura J104-C No.10 pp.298-307 2021/10/01
  •  Photoluminescence enhancement from fluorescent-dye-doped organic films on rough surface metal made by sputter etching method  Masaki KATO, Yuto YAGI , Yuji KUWAMURA IEICE Technical Report LQE2016-3 pp.11-16 2016/05
  •  Optical emission using interaction of electron beam and surface plasmons on silver diffraction grating  Yuji KUWAMURA, Keisuke ITAKURA IEICE Technical Report IEICE-115 no.46 pp.37-42 2015/05
  •  Classical and quantum mechanical analyses on electromagnetic wave emissions in the Chernkov free electron laser  http://www.JACoW.org pp.2197-2199 2010/08
  •  Current excitation model for Cerenkov lasers with a planar waveguide H.Fares, M,Yamada,Y.Kuwamura JAPANESE JOURNAL OF APPLIED PHYSICS 49 pp.096402-1-8 2010/09

show all

  •  Characterization of Optical Emission Mechanism Utilizing Traveling Electron Beam on a Waveguide  H.Fares, M,Yamada,Y.Kuwamura IEEE JOURNAL OF QUANTUM ELECTRONICS Vol.46 No.6 pp.981-990 2010/06
  •  Effective Noise Reduction by Electric Positive and Negative Feedback in Semiconductor Lasers M.Yamada, M. Huda, E. Teraoka, and Y. Kuwamura IEEE JOURNAL OF QUANTUM ELECTRONICS vol.45 no.10 pp.1248-1254 2009/10
  •  Two Models for Electro-Magnetic Wave Amplifier by Utilizing Traveling Electron Beam H.Fares, M.Yamada, Y.Kuwamura and M. Asada, 2008/09
  •  Observation of optical emission from high refractive index waveguide excited by traveling electron beam Y.Kuwamura, M.Yamada, R.Okamoto, T.Kanai and H.Fares 2008/05
  •  Optical Emitter and Amplifier by Utilizing Traveling Eletron Beam M.Yamada and Y.Kuwamura 2008/08
  •  Characteristics of intensity noise in blue-violet InGaN Semiconductor lasers K.Matsuoka, K.Saeki, E.Teraoka, M.Yamada and Y.Kuwamura 6133 61330P 1-9 2006
  •  Experiment Observation of Long-Range Surface Plasmon Plaritons Y.Kuwamura, M.Fukui and O.Tada JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN 52 7 2350-2355 1983/07
  •  Method for Estimating the Threshold Current Level in Semiconductor Injection Lasers M.Yamada. M.Kamiya and Y.Kuwamura IEICE TRANSACTIONS ON ELECTRONICS E73 1 133-134 1990/01
  •  Long-Range Surface Polaritons in Metal Films Bounded by Similar-Refractive-Index Materials H. Doi, Y.Kuwamura, M. Fukui and O.Tada JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN 53 8 2828-2823 1984/10
  •  Design of a Surface-Illuminated-Type Semiconductor Optical Modulator with Multi-Quantum-Well Structures Electronics and Communications in Japan Part2 Vol.83 No.5 28-39 2000/05
  •  Observation of Optical Amplification Excited by Traveling Electron Beam JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REV 43 10 7109-7110 2004/10
  •  Analysis of Modified Franz-Keldysh Effect under Influecence of of Electronic Intraband Relaxation Phenomena Y. Kuwamura and M. Yamada JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN 35 12A 6117-6125 1996/12
  •  Quantum noise and feed-back noise in blue-violet InGaN semiconductor lasers K.Matsuoka,K.Saeki,E.Teraoka,M.Yamada and Y.Kuwamura IEICE TRANSACTIONS ON ELECTRONICS 89 3 437-439 2006/03
  •  Design and Fabrication of a Surface-Illuminated-Type Semiconductor Optical Modulator with Electron-Depleting Absorption Control Y.Kuwamura and M.Yamada Electronics and Communications in Japan Part2 vol.81 No.11 42-53 1998/11
  •  Reduction of the intensity noise by electric positive and negative feedback in blue-violet InGaN semiconductor lasers M. Yamada, K. Saeki, E.Teraoka and Y.Kuwamura IEICE TRANSACTIONS ON ELECTRONICS 89C 6 858-860 2006/06
  •  Panel-Type Semiconductor Optical Modulator Using Electron Depleting Absorption Control Y.Kuwamura, M.Yamada and M.Suzumi JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN Part1/32 1B 578-582 1993/01
  •  Optical emission from a high-refractive-index waveguide excited by a traveling electron beam Y.Kuwamura, M.Yamada, R.Okamoto,T.Kanai and H.Fares JOURNAL OF APPLIED PHYSICS 104 103105 1-10 2008/11
  •  ATR Mode of Surface Polariton Y. Kuwamura, Y. Yokota, M. Fukui and O. Tada JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN 51 9 2962-2965 1982/09
  •  High-Power Buried Coarctate Mesa-Structure AlGaAs Lasers K.Endo, H.Kawano, M.Ueno, M.Nido and Y.Kuwamura ELECTRONICS LETTERS 20 18 728-730 1984/08
  •  Surface Roughness Effect on Raman Scattering From Surface Polaritons M. Fukui, Y. Kuwamura and O. Tada JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN 51 8 2568-2574 1982/08
  •  Semiconductor Optical Modulator by Using Electron Depleting Absorption Control M.Yamada, K.Noda, Y.Kuwamura, H.Nakanishi and K.Imai IEICE TRANSACTIONS ON ELECTRONICS E75-C 9 1063-1070 1992/09
  •  Characteristic Improvement of Plane Type Semiconductor Optical Modulator J85-C 12 2002/12
  •  Analysis of Opetaring Mechanism in Semiconductor Optical Modulator with Electron-Depleting Absorption Control Y.Kuwamura, M. Yamada and S. Hashimoto ELECTRONICS AND COMMUNICATIONS IN JAPAN PART II-ELECTRONICS 79 5 12-23 1996/05

Conference Presentations

  • 3D-FDTD Simulation of Voltage-Variable Focusing Lens Effect Using Plasmonic Optical Phased Array(conference:EM-NANO 2021 International Conference)(2021/06/01)
  • Characteristics of Plasmonic Optical Phased Array Using Gold, Silver and Copper(2020/09/15)
  • Design of EO Polymer -Plasmonic Optical Phased Array(2020/03/13)
  • Focusing Lens Effect Using Plasmonic Optical Phased Array(2020/03/13)
  • Characteristic analysis of EO polymer plasmonic optical phased array(conference:Joint Conference of Hokuriku Chapters of Electroical and Information Societies 2019)(2019/08/31)

show all

  • Plasmonic Optical Phased Array Using Electro-Optic Polymer(conference: EM-NANO 2019)(2019/06/19)
  • Considaration of Dynamic Optical Beam Shape and Scanning Contral Using by Organic/ Plasmonic Phased Array(conference:The 79th JSAP Autumn Meetig, 2018)(2018/09/19)
  • Optical Beam-steering Device Using by EO-Polymer Plasmonic Phase-Modulator Arrays(conference:The 65thJSAP Spring Meeting Program)(2018/03/17)
  • Proposal of Optical Beam-steering Device Using by Hybrid Plasmonic Slot Phase-Modulator Arrays(conference:THE 2017 IEICE SOCIETY CONFERENCE)(2017/09/12)
  • Photoluminescence enhancement from fluorescent-dye-doped organic films on rough surface metal made by sputter etching method(conference:IEICE Technical Report LQE2016-3)(2016/05/19)
  • Optical emission from surface plasmons on silver grating excited by traveling electron beam(conference:EM-NANO 2015)(2015/06/17)

Others

  •  Observation of optical emission from high refractive index waveguide excited by traveking elencton beam Y.Kuwamura, M.Yamada, R.Okamoto,T.Kanai and H.Fares 2008//5
  •  Two Models for Electro-Magnetic Wave Amplifier by Utilizing Traveling Electron Beam H.Fares, M.Yamada, Y.Kuwamura and M.Asada 2008//8
  •  Optical Emitter and Amplifier by Utilizing Traveling Electron Beam M.Yamada and Y.Kuwamura 2008//8
  •  Two Models for Electro-Magnetic Wave Amplifier by Utiling Traveling Electron Beam H.Fares, M.Yamada, Y.Kuwamura and M.Asada 2008//9
  •  A Panel-Type Semiconductor Optical Modulator by Using Electron Depleting Absorption Control Y.Kuwamura, M.Yamada and M.Suzumi 1992SSDM 223-225 1992//8

show all

  •  Operating Mechanisms in a Semiconductor Modulator Based on Electron Depleting Absorption Control Y.Kuwamura, M.Yamada and M.Shimizu CLEO1994 149 1994//5
  •  Semiconductor Optical Switch utilizing Optical Absorption in Depletion Layer M.Yamada, N.Noda, H.Nakanish, Y.Kuwamura and T.Kawabata CLEO1991 158-159 1991//5
  •  A Transmission Type Plener-illuminated Semiconductor Optical Modulator Y.Kuwamura, M.Yamada and Y.Nishiuma 103 1998/11
  •  Two Models for Electro-Magnetic Wave Amplifier by Utilizing Traveling Electron Beam H.Fares, M.Yamada, Y.Kuwamura and M.Asada LQE2008 2 7-12 2008//5
  •  Characterizations of Optical Emission Excited by Traveling Electron Beam H.Fares, T.Kanai, I.Matsumoto, Y.Kuwamura and M.Yamada LQE2009 2 7-12 2009//5
  •  Characterisitics of noise reduction in semiconductor laser using electric negative feedback and high frequency current superposition IEICE Technical Report LQE2011-2 pp.5-8 2011/05
  •  Current excitation model for Cerenkov lasers with a planar waveguide IEICE Technical Report LQE2010-1 pp.1-6 2010/05

Arts and Fieldwork

Patent

Theme to the desired joint research

Grant-in-Aid for Scientific Research

○「EOポリマー・プラズモニック光フェーズドアレー及び動的光波面制御機能の構築」(2021-2023) 
○「並列情報処理用半導体光変調器の集積化」(1998-1999) 
○「透過型半導体空間光変調パネルの高性能化・高機能化」(2001-2002) 
○「電圧及び光駆動方式の半導体空間光変調パネルの開発」(2004-2005) 
○「光透過タイプ半導体空間光変調パネルの実用化」(2006-2007) 
○「超高速面型半導体光スイッチパネルの開発」(2008-2009) 
○「電子ビームを用いた電磁波増幅メカニズムの解明」(2009-2010) 
○「電子ビームを用いた光・ミリ波増幅器の開発」(2006-2008) 
○「ミリ波から光領域での汎用能動素子の開発」(2009-2011) 
○「電子ビームと表面プラズモンとの相互作用を利用した電磁波光源の開発」(2010-2012) 
○「表面プラズモンを利用した有機光デバイスの高効率化技術と深紫外線光源の開発」(2014-2016) 

Competitive research funding,Contribution

Collaborative research,Consignment study

Classes (Bachelors)

○Electromagnetic Wave Theory(2018)
○Fundamental Physics 2(2018)
○Experiments in Fundamental Physics(2018)
○Electrical and Electronic Engineering Laboratory I(2018)
○Student-Initiated Project(2018)
○Opt-Electronics A(2018)
○Opt-Electronics B(2018)
○Introduction to Electronics, Computer Engineering and Bioinformatics A(2017)
○Student-Initiated Project(2017)
○Electrical and Electronic Engineering Laboratory I(2017)
○Electromagnetic Wave Theory(2017)
○Opt-Electronics(2017)
○Experiments in Fundamental Physics(2017)
○Fundamental Physics 2(2017)
○Introduction to Region-studies(2017)
○Student-Initiated Project(2016)
○Research Project(2016)
○Research Project(2016)
○Electromagnetic Wave Theory(2016)
○Electrical and Electronic Engineering Laboratory I(2016)
○Research Project(2016)
○Opt-Electronics(2016)
○Fundamental Physics 2(2016)
○Experiments in Fundamental Physics(2016)
○Introduction to Region-studies(2016)

Classes (Graduate Schools)

○Optical Electronics(2017)
○Optical Electronics(2017)
○Optical Electronics(2017)
○Optical Electronics(2017)
○Quantum Electronics(2017)
○Research Ethics(2017)
○Optical Electronics(2016)
○Quantum Electronics(2016)

International Project

International Students

Lecture themes

Others (Social Activities)

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