日本語
The University of Electro-Communications 
Graduate School of Informatics and Engineering, School of Informatics and Engineering 
"Department of Engineering Science, Cluster III (Fundamental Science and Engineering)" 

顔写真 Professor 
YOSHIYASU UENO 

Year of birth:1961  
 
Personal website  

Career
電気通信大学大学院  基盤理工学専攻  教授  2016/04-Present 
電気通信大学  情報理工学域III類  類長  2019/04-2020/03 
電気通信大学  情報理工学域III類  副類長  2018/04-2019/03 
Department of Engineering Science, University of Electro-Communications  先進理工学専攻  Professor  2010/04-2016/03 
電気通信大学大学院  (旧)電子工学専攻  電子工学専攻主任  2013/04-2014/03 
University of Electro-Communiactions, Graduate School of Electronic Engineering  電子工学専攻  Professor  2009/04-2010/03 
University of Electro-Communications, Graduate School of Electronic Engineering  電子工学専攻  Associate Professor  2002/07-2009/03 
University of Electro-Communications, Dept. of Electronic Engineering  電子工学科  Associate Professor  2002/03-2009/03 
Networking Res. Labs., NEC Corp.  Principal Researcher  2001/10-2002/02 
Optoelectronics and High-Frequency Device Res. Labs., NEC Corp.  Principal Researcher  1999/07-2001/09 
Univ. of Central Florida, CREOL  Adjunct Faculty  1995/01-1996/03 
Opto-Electronics Res. Labs., NEC Corp.  Researcher  1987/04-1999/06 

Academic background
The University of Tokyo  Graduate School, Division of Science  Department of Physics  Master's program  1987/03  Completed 
The University of Tokyo  Faculty of Science  Department of Physics  1985/03  Graduated 
灘高等学校  1980/03  Graduated 

Academic degrees
PhD  The University of Tokyo  1998/07 
理学修士  The University of Tokyo  1987/03 

Classes responsible within the university
2009  光通信デバイス設計特論  Fall semester  Graduate, EC  Master's and doctoral programs 
2009  電子工学実験第三(光エレクトロニクス課題責任者)  Fall semester  Undergraduate, daytime and nighttime 
2009  光波工学(量子物質工学科光エレクトロニクスと合併授業)  Fall semester  Undergraduate, mainly nighttime 
2009  電磁気学第一  Spring semester  Undergraduate, daytime 
2009  電磁気学第一演習  Spring semester  Undergraduate, daytime 
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Education and research activities in foreign countries
オランダ, アイントホーフェン工科大学 (博士論文審査会, 外部委員(招聘受))  2011/01-2011/12  オランダ 
中国成都市, 中国電子科技大学 (講演, 電通大光研究活動紹介)  2011-2011  中国 
韓国ソウル市, ハンヤン大学 (講演, 電通大光研究活動紹介)  2011-2011  韓国 
韓国水原市, サムスン DMC研究所 (光通信交換技術開発協議)  2011-2011  韓国 
中国北京市, 清華大学 FIT研究センター (講演, 電通大光研究活動紹介)  2010-2010  中国 
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Current research areas
Optical engineering, Photon science 
Electron device/ Electronic equipment 
Nano/Microsystems 

Current research subjects
Ultrafast Optical Logic  Optical Logic Ultrafast Semiconductor Devices  1996/04-Present 
ultrahigh-Frequency Optical Clock and Frequency Comb Generation  Optical Clock Ultrafast Semiconductor devices  1999/01-Present 
All-optical 3R gating  Optical-3R regeneration  2003/04-2006/03 
Ultrafast optical semiconductor amplifiers  optical semiconductor amplifier, optical signal-wavelength conversion, optical cross-connect, optical routing  2004/06-Present 
ultrafast all-optical memory devices  optical memory  2005/06-Present 
Optical Nonlinearity of Semiconductor Crystals  Nonlinear Optics Semiconductor  1996/04-Present 

Published papers
Paper  Yes  200-Gb/s wavelength conversion using a delayed-interference all-optical semiconductor gate assisted by nonlinear polarization rotation  Jun Sakaguchi, Takehiro Nishida, and Yoshiyasu Ueno  Optics Communications  282/ 9, 1728-1733  2009/05 
Paper  Yes  Analysis of sub-pulse generation from the delayed-interference signal-wavelength converter for a wide carrier recovery rate range  Jun Sakaguchi, Mads L. Nielsen, Takashi Ohira, Rei Suzuki, and Yoshiyasu Ueno  Japanese Journal of Applied Physics  47/ 9, 7182-7189  2008/09 
Paper  Yes  Frequency-dependent electric dc power consumption model including quantum-conversion efficiencies in ultrafast all-optical semiconductor gates  Jun Sakaguchi, Ferran Salleras, Kohsuke Nishimura, and Yoshiyasu Ueno  Optics Express  15/ 22, 14887-14900  2007/10 
Paper  Yes  Optical-spectrum-synthesizer design within an all-optical semiconductor gate to reduce waveform distortion induced by carrier-cooling relaxation at sub-Teraherz frequencies  Yoshiyasu Ueno, Ryouichi Nakamoto, Jun Sakaguchi, and Rei Suzuki  Optics Express  14/ 26, 12655-12664  2006/12 
Paper  Yes  Modeling of the polarization-discriminating-symmetric-Mach-Zehnder-type optical-3R gate scheme and its available degree of random-noise suppression  Y. Ueno, M. Toyoda, R. Suzuki, and Y. Nagasue  Optics Express  14/ 1, 348-360  2006/01 
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Research presentations
Oral presentation for an academic conference  Molecule-sensor in which few narrow optical-frequency-comb-line components from all-optical semiconductor gate precisely crosses this molecule's few inherent absorption lines  The Institute of Electronics, Information, and Communication Engineers (IEICE)  No  Kyosuke Nagasaka, Kodai Ishida, Kengo Okano, Yushi Suzuki, Naoki Takahashi, Makoto Takeshita, Yoshiyasu Ueno  2019/10 
Oral presentation for an academic conference  All-optical-converter method to dramatically improve otherwise-poor coherence of optical-frequency-comb spectra generated by commercially-available mode-locked silica-fiber-soliton laser  The Institute of Electronics, Information, and Communication Engineers (IEICE)  No  Yushi Suzuki, Kengo Okano, Kyosuke Nagasaka, Makoto Takeshita, Chaoyi Wang, Yoshiyasu Ueno  2019/09 
Oral presentation for an academic conference  Frequency-response-measurement system containing unchirped-comb-seed laser (BW>500 GHz) for characterizing beyond-100-GHz optical transmitters  The Institute of Electronics, Information, and Communication Engineers (IEICE)  No  Kyosuke Nagasaka, Yukihiro Ishii, Kengo Okano, Makoto Takeshita, Bingzhou Hong, Tomotaka Mori, Kiichi Hamamoto, Yushi Suzuki, Yoshiyasu Ueno  2019/09 
Oral presentation for an academic conference  All-optical-semiconductor-gate-based mode-locked pulsed laser structure for 1.3-um-wavelength band in addition to conventional ones for 1.55-um band  The Institute of Electronics, Information, and Communication Engineers (IEICE)  No  Kyosuke Nagasaka (M1), Koudai Ishida (M2), Kengo Okano (M2), Yushi Suzuki (B4), Yoshiyasu Ueno  2019/03 
Oral presentation for an academic conference  1.5-um all-optical-gate-based single-cavity-mode mode-locked pulsed laser's unexpectedly small degree of tolerence to cavity-frequency detuning and its working principles  The Institute of Electronics, Information, and Communication Engineers (IEICE)  No  Kengo Okano (M2), Koudai Ishida (M2), Kyosuke Nagasaka (M1), Yoshiyasu Ueno  2019/03 
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Intellectual property rights
Patent  Optical pulse generating apparatus and optical signal apparatus using the same  US Pat Appl 20010053008  2001/02/27  US Pat Appl 20010053008  2001/12/20  Published 
Patent  Wavelength converter  US Pat Appl 20010019447,US Pat Appl 20010019447  2001/09/06  US Pat Appl 20010019447,US Pat Appl 20010019447  2001/09/06  Published 
Patent  Method and system for all-optical signal regeneration  060324  2002/02/01  US Pat 7,010,235  2006/03/07  Registered 
Patent  半導体レーザ  3,522,107  2004/02/20  Registered 
Patent  波長変換器及び波長変換方法  3,439,345  2003/06/13  Registered 
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Awards
大学院学生表彰(石田耕大氏)  電子情報通信学会エレクトロニクスソサイエティ学生奨励賞受賞等  2019/03 
電子情報通信学会エレクトロニクスソサイエティ学生奨励賞(石田耕大氏)  All-optical-gate-type mode-locked laser cavity structure that generates pairs of 2.2-THz-separated two-color 5-ps pulses precisely synchronously in principle at 10-GHz repetition frequency  2018/09 
目黒会賞(電気通信大学大学院優秀修士論文賞)(竹下諒氏)  全光半導体ゲート型位相同期レーザが出力する光周波数コムスペクトルの帯域幅拡大および品質向上に関する研究(修士論文)  2018/03 
目黒会賞(電気通信大学優秀卒業研究賞)(竹下諒氏)  全光半導体ゲート型40GHzピコ秒モード同期レーザシステムの光コム線幅の研究(卒業研究)  2016/03 
Triangle Symposium on Advanced Information Communication Technology (TriSAI2010), Best Paper Award  Crude future vision of 300-GHz optical micro-processor units  2010/10/27 
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Researcher accepted
Overseas  Invited researcher  Denmark  Technical University of Denmark, Research Center COM  超高速全光ゲートの共同実験研究  Japan Society for the Promotion of Science, etc.  2004-2004 
Overseas  Invited researcher  Denmark  Technical Univ. of Denmark, Research Center COM  Japan Society for the Promotion of Science, etc.  2005-2005 
Overseas  Post-doctoral researcher  スイス  Swiss Federal Institute of Technology (ETH), Lausanne  フォトニック結晶・量子ドット導波路光ゲートの高速特性評価研究(NEDO受託研究関連)  Japan Society for the Promotion of Science, etc.  2005-2007 
Overseas  Invited researcher  China  University of Electronic Science and Technology of China (UESTC)  共同実験研究  Japan Society for the Promotion of Science, etc.  2011-Present 
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Past records of joint or funded research
超低エネルギー・超高速光蓄積デバイス技術の研究開発(筑波大学、電気通信大学、産業技術総合研究所AIST、NEC筑波研究所)  2005-2007  Commissioned research  Funded commissioned research 
波長ルーティング用半導体光増倍器に関する研究(電気通信大学、KDDI研究所(上福岡市))  2004-2005  Joint research  Research commissioned by a company 
トータル光通信プロジェクト(情報通信研究機構NICT委託研究)  2003-2005  Commissioned research  Funded commissioned research 
SMZ型超高速全光スイッチの研究(NEC筑波研究所委託研究)  2002-2002  Commissioned research  Research commissioned by a company 
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Memberships of academic societies
Optical Society of America (OSA)  1995-Present 
IEEE/LEOS  1998-Present 
Japan Society of Applied Physics  1987-Present 
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Committee or council involvement
文部省・科学技術振興機構(JST)、科学技術振興調整費プログラム 事後評価委員会  評価委員  2008/09-Present 
NEDO研究プロジェクト「フォトニックネットワーク技術の開発, FY2002~2006」、事後評価分科会  評価委員  2007/06-2007/11 
「ブロードバンド光シンセサイザの開発(科学技術振興調整費)」、研究運営委員会  運営委員  2002/11-2005/03 
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Media coverage
Newspaper  日刊工業新聞社  地球規模の交流を豊かに、光技術が拓く未来  2009/10/26 
Newspaper  日刊工業新聞  消費エネ量懸念  2009/10/21 
Newspaper  日刊工業新聞社  電通大が高速光ゲートの消費電力モデル作成、高速光通信に活用、新方式で毎秒200ギガビットの動作実験にも成功  2008/06/27 
Newspaper  日刊工業新聞社  周波数成分純度1000倍に。毎秒200ギガビット級高速光通信へ、電通大が光源開発  2008/03/25 
Newspaper  日刊工業新聞社  時分割多重光源を開発、汎用光部品で原理実証(電通大)  2006/05/12 
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Committee activity in the University
電気通信大学ミュージアム(博物館)運営委員会  委員  2018/04-Present 
3ヶ国3大学トライアングルフォーラム実行委員会  委員  2009/06-2009/10 
国際交流戦略WG  委員  2008/12-2009/03 
国際交流推進センター国際交流連絡会  委員  2008/04-Present 
大学院ICT国際プログラム運営委員会  運営委員(E専攻選出)  2007/04-2009/06 
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