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)" 

Associate Professor 
Ryosuke SHIMIZU 

Personal website  

Career
電気通信大学  准教授  2015/10/01-Present 

Academic degrees
博士(理学)  Osaka University  2003/03 

Classes responsible within the university
2019  Graduate Technical English  Spring semester  Graduate, IE  Master's program 
2019  量子エレクトロニクス  Fall semester  Undergraduate, daytime 
2019  物理工学実験第二  Fall semester  Undergraduate, daytime 
2019  量子情報光学特論  Fall semester  Graduate, IE  Master's program 
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Current research areas
Optical engineering, Photon science 
Condensed matter physics I 
Atomic/Molecular/Quantum electronics 

Current research subjects
Generation of nonclassical light and its application  Quantum optics  2003/04-Present 

Published papers
Paper  Yes  Theoretical investigation of a spectrally pure-state generation from isomorphs of KDP crystal at near-infrared and telecom wavelengths.  Joint  Rui-Bo Jin, Neng Cai, Ying Huang, Xiang-Ying Hao, Shun Wang, Fang Li, Hai-Zhi Song, Qiang Zhou, and Ryosuke Shimizu  Phys. Rev. Appl.  11, 034067/1-034067/9  2019/03/28  10.1103/PhysRevApplied.11.034067 
Paper  Yes  Direct generation of frequency-bin entangled photons via two-period quasi-phase-matched parametric downconversion  Joint  Fumihiro Kaneda, Hirofumi Suzuki, Ryosuke Shimizu, and Keiichi Edamatsu  Opt. Express  27/ 2, 1416-1424  2019/01/16  10.1364/OE.27.001416 
Paper  Yes  Time-frequency duality of biphotons for quantum optical synthesis  Rui-bo Jin, Takuma Saito, and Ryosuke Shimizu  Phys. Rev. Appl.  10, 034011/1-034011/11  2018/09/07  10.1103/PhysRevApplied.10.034011 
Paper  Yes  Free space optical secret key agreement  Joint  Hiroyuki Endo, Mikio Fujiwara, Mitsuo Kitamura, Orie Tsuzuki, Toshiyuki Ito, Ryosuke Shimizu, Masahiro Takeoka, Masahide Sasaki  Opt. Express  26/ 18, 23305-23332  2018/08/27  10.1364/OE.26.023305 
Paper  Yes  Quantum manipulation of biphoton spectral distributions in a 2D frequency space toward arbitrary shaping of a biphoton wave packet  Joint  Rui-bo Jin, Ryoji Shiina, and Ryosuke Shimizu  Opt. Express  26/ 16, 21153-21158  2018/08/01  10.1364/OE.26.021153 
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Research presentations
Oral presentation for an academic conference  2台のファイバコムによる2波長パルスの高精度同期法の検討  第67回応用物理学会春季学術講演会  No  長谷川達也,中嶋善晶,李嘉傑,清水亮介,美濃島薫  2020/03 
Oral presentation for an academic conference  励起子分子から生成された光子対の二次元量子分光II  日本物理学会 第75回年次大会  No  孫東根,関浩弥, 内堀裕太, 石原淳, 宮島顕祐, 清水亮介  2020/03 
Oral presentation for an academic conference  和周波発生法による単一光子の超高速検出  レーザー学会学術講演会第40回年次大会  No  坂田美紗樹, 田沢久留実, 知名史博, 藪野正裕, 三木茂人, 寺井弘高, 清水亮介  2020/01/22 
Oral presentation for an academic conference  Direct measurement of a biphoton wave packet in time and frequency domains  The 2nd International Forum on Quantum Metrology and Sensing (IFQMS)  No  Ryosuke Shimizu and Rui-Bo Jin  2019/12/18 
Oral presentation for an academic conference  Development of ultrafast single-photon detection using an optical Kerr gate  The 2nd International Forum on Quantum Metrology and Sensing (IFQMS)  No  Takahiro Takumi, Masahiro Yabuno, Shigehito Miki, Fumihiro China, Hirotaka Terai, Ryosuke Shimizu  2019/12/17 
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Intellectual property rights
Patent  GENERATOR OF POLARIZATION ENTANGLED PHOTON PAIRS AND METHOD OF GENERATING THE SAME  PCT/JP2010/059461  EP 2,439,585  2014/04/30  Registered 
Patent  GENERATOR OF POLARIZATION ENTANGLED PHOTON PAIRS AND METHOD OF GENERATING THE SAME  PCT/JP2010/059461  US 8,488,231  2013/07/16  Registered 
Patent  偏光量子もつれ光子対の生成装置及びその生成方法  特許第5099393号  2012/10/05  Registered 
Patent  NON-DEGENERATE POLARIZATION-ENTANGLED PHOTON PAIR GENERATION DEVICE AND NON-DEGENERATE POLARIZATION-ENTANGLED PHOTON PAIR GENERATION METHOD  PCT/JP2008/072441  US 8,173,982  2012/05/08  Registered 
Patent  量子もつれ光子対生成装置,及び,量子もつれ光子対生成方法  特許第4781426号  2011/07/15  Registered 
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Awards
第14回原子・分子・光科学(AMO)討論会ポスター発表賞  2017/07/01 
2015年度 衛星通信研究賞  光空間通信の物理レイヤセキュリティ技術  2016/06/03 
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Researcher accepted
Overseas  Post-doctoral researcher  India  2013-2014 
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Public lectures
山脇学園 夏期特別実験講座  2017/08/28  電気通信大学 
山脇学園 夏期特別実験講座  2016/08/29  電気通信大学 
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Memberships of academic societies
The Optical Society 
Laser Society of Japan 
The Physical Society of Japan 
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Involvement in conference and research meetings
Symposium on New Frontiers of Quantum Photonic Network  組織委員  2013/11/06 
The 10th Conference on Laser and Electro-Optics Pacific Rim (CLEO-PR 2013)  プログラム委員  2013/06/30 
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Committee or council involvement
Journal of the Physical Society of Japan  Associate Editor  2017/07-2020/03 
The Physical Society of Japan  領域運営委員  2011/10-2012/09 
日本光学会 会誌「光学」編集委員会  編集委員  2010/04/01-2013/03/31 
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