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/ 1, 108-111  2014/07  1098-0121  10.1103/PhysRevB.90.014303 
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Research presentations
Oral presentation for an academic conference  Chirp optimization in no-scanning 3D imaging method with sum-frequency generation of optical frequency comb  OPJ2017  No  田中優理奈,内田めぐみ,加藤峰士,浅原彰文,美濃島薫  2017/11/02 
Oral presentation for an academic conference  All-fiber-based dual-comb spectroscopic system with polarization maintaining fiber  OPJ2017  No  王 月, 浅原 彰文, 近藤 健一, 美濃島 薫  2017/11/01 
Oral presentation for an academic conference  Development of dual comb spectroscopy for measurement of group refractive index and rapid dispersion of optical materials  OPJ2017  No  近藤 健一, 浅原 彰文, 王 月, 庄司一郎, 美濃島 薫  2017/11/01 
Oral presentation for an academic conference  Relative CEP control of dual-comb for solid-state physics  日本物理学会2017年度秋季大会  No  A. Asahara, K. Kondo, Y. Wang, and K. Minoshima  2017/09/21 
Oral presentation for an academic conference  Temperature measurement by all-fiber based dual-comb spectrometer with FBG  第78回応用物理学会秋季学術講演会  No  Yue Wang, Akifumi Asahara, Ken-ichi Kondo, and Kaoru Minoshima  2017/09/06 
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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 
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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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