日本語
The University of Electro-Communications 
Graduate School of Informatics and Engineering 
Department of Engineering Science 

Project Assistant Professor 
Akifumi Asahara 

Personal website  

Career
東京大学物性研究所 末元研究室  日本学術振興会特別研究員(DC2)  2013/04-2015/03 
東京大学理学系研究科 山本研究室  日本学術振興会特別研究員(PD)  2015/04-2015/07 
電気通信大学情報理工学研究科 美濃島研究室  特任研究員  2015/08-2016/09 
電気通信大学情報理工学研究科 美濃島研究室  特任助教  2016/10-Present 

Academic background
University of Tokyo  Faculty of Engineering  Department of Aeronautics and Astronautics  2009/03  Graduated 
University of Tokyo  Graduate School of Science  Department of Physics  Doctoral program  2015/03  Completed 

Academic degrees
Ph.D.  The University of Tokyo  2015/03/24 

Current research areas
Optical engineering, Photon science 
General applied physics 
Condensed matter physics I 
Atomic/Molecular/Quantum electronics 

Research keywords
Optical frequency comb 
Ultrafast spectroscopy 
Solid state physics 

Current research subjects
Development of Novel Measurement Technique by Dual-Comb Spectroscopy  Optical Comb, Fiber Laser, Ultrafast Spectroscopy, Astronomical Observation, Space Technology  2015/08/01-Present 

Published papers
Paper  No  Multi-optical comb metrology using relative envelope phase control and demonstration for arbitrary polarization modulation  Akifumi Asahara, and Kaoru Minoshima  arXiv  1710.06098  2017/10/17  URL 
Paper  Yes  Development of ultrafast time-resolved dual-comb spectroscopy  Akifumi Asahara and Kaoru Minoshima  APL Photonics  2, 041301-1-041301-6  2017/02/21  10.1063/1.4976730 
Paper  Yes  Dual-comb spectroscopy for rapid characterization of complex optical properties of solids  Akifumi Asahara, Akiko Nishiyama, Satoru Yoshida, Ken-ichi Kondo, Yoshiaki Nakajima, and Kaoru Minoshima  Optics Letters  41/ 21, 4971-4974  2016/11  10.1364/OL.41.004971 
Paper  Yes  Direct generation of 2-ps blue pulses from gain-switched InGaN VCSEL assessed by up-conversion technique  Asahara, Akifumi, Chen, Shaoqiang, Ito, Takashi, Yoshita, Masahiro, Liu, Wenjie, Zhang, Baoping, Suemoto, Tohru, Akiyama, Hidefumi  SCIENTIFIC REPORTS  4, 108-111  2014/09  2045-2322  10.1038/srep06401 
Paper  Yes  Ultrafast dynamics of photoinduced semiconductor-to-metal transition in the optical switching nano-oxide Ti3O5  Asahara, Akifumi, Watanabe, Hiroshi, Tokoro, Hiroko, Ohkoshi, Shin-ichi, Suemoto, Tohru  PHYSICAL REVIEW B  90/ 014303, 1-7  2014/07  1098-0121  10.1103/PhysRevB.90.014303 
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Research presentations
Invited lecture for an international conference  Metrological Applications Using Coherent Controllability of Optical Combs  LSC2018  No  A. Asahara, K. Minoshima  2018/04/27 
Invited lecture for an international conference  Tailoring the fiber-based frequency combs for metrology application with coherent control  Advanced Solid State Lasers (ASSL) Conference 2017  No  Kaoru Minoshima, Akifumi Asahara, Ken-ichi Kondo, and Yue Wang  2017/10/04 
Invited lecture for an international conference  Dual-Comb Optical Synthesizer for Arbitrary Coherent Measurement  The 24th Congress of the International Commission for Optics (ICO-24)  No  A. Asahara, K. Minoshima  2017/08/24 
Invited lecture for a domestic conference  光周波数コムによる自在なコヒーレント計測  超⾼速光エレクトロニクス(UFO)研究会 第3回研究会「先端レーザーによる超⾼速科学」  No  浅原 彰文, 美濃島 薫  2017/11/17 
Invited lecture for a domestic conference  光コムの位相制御性を生かした新たな応用の展開  2017年度精密工学会秋季大会学術講演会  No  浅原 彰文, 美濃島 薫  2017/09/20 
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Intellectual property rights
Patent  光コムの制御方法及び光コムの制御装置  特願2017-037766  2017/02/28  Filed 
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Awards
第2回OPJ優秀講演賞  2016/11 
PSS Young Researcher Awards(EXCON10 Best Poster Awards)  2010/07 
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Grants-in-aid for scientific research
デュアルコムを用いたコヒーレント分光法の開発  Young scientists (B)  2017/04-2019/03 
テラヘルツ分光用ヘテロダイン超伝導ミクサ素子の光物性研究に根ざした開発  Other  2015/04/01-2015/07/31 
光磁性スイッチング錯体における超高速スピンダイナミクスの観測  Other  2013/04/01-2015/03/31 
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Memberships of academic societies
Optical Society of America (OSA) 
The Japan Society of Applied Physics 
The Physical Society of Japan 
レーザー学会 
日本光学会 
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