Taro Hasegawa

ハセガワタロウ | Taro Hasegawa

Affiliation and department：
Job title： Assistant Professor/Senior Assistant Professor
Other affiliations (2)：

Homepage URL (1)： http://www.phys.keio.ac.jp/faculty/hasegawa/hasegawa.html

Research field (1)： Semiconductors, optical and atomic physics

Research keywords (5)： High-resolution spectroscopy , Nonlinear Optics , Optical Frequency Comb Generators , Laser cooling , Ion traps

Research theme for competitive and other funds (18)：

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Papers (41)：

Taiki Kageyama, Taro Hasegawa. Fast polarization control for optical frequency combs. Optics Express. 2021. 29. 23. 38477-38487
Taro Hasegawa. 260 kHz mode-spacing optical frequency combs for scan-free high-resolution direct-comb spectroscopy. Optics Express. 2020. 28. 22. 32837-32846
Yuhei Seishu, Taro Hasegawa. Robust offset locking of laser frequency with electronically tunable LC circuits for sub-millihertz uncertainty. Applied Physics B. 2019. 125. 8. 142(1)-142(8)
Hasegawa T, Sasada H. Mode Density Multiplication of an Optical Frequency Comb by N^{2} with Phase Modulation. 2018 Conference on Lasers and Electro-Optics Pacific Rim, CLEO-PR 2018. 2019
Hasegawa T. Mode density multiplication of an optical frequency comb by N² with phase modulation. Optics Express. 2018. 26. 19. 24551-24563

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MISC (4)：

HASEGAWA TARO. 強度画像にはない位相画像の表現力 (翻訳). パリティ. 2018. 14-21
Iwakuni K, Okubo S, Inaba H, Hasegawa T, Hosaka K, Onae A, Sasada H, Hong F.-L. Development of the dual-comb system using narrow linewidth optical frequency combs. Meeting Abstracts of the Physical Society of Japan. 2013. 68. 0
Okubo S, Iwakuni K, Inaba H, Hasegawa T, Hosaka K, Onae A, Sasada H, Hong F.-L. Broadband C2H2 spectroscopy with a dual-comb system. Meeting Abstracts of the Physical Society of Japan. 2013. 68. 0
Hasegawa Taro. 26pBE-8 Fourth harmonic generation of cw lasers in a double-resonant optical cavity II. Meeting abstracts of the Physical Society of Japan. 2012. 67. 1. 219-219

Books (2)：

Lectures and oral presentations (82)：

光周波数コムの高速偏光変調
(日本物理学会2021年秋季大会 2021)
高分解能コム直接分光のスペクトル取得時間の高速化
(日本物理学会第76回年次大会 2021)
高分解能コム直接分光のためのモード間隔 260 kHz の光周波数コム
(2020年度日本分光学会年次講演会 2020)
位相変調による光周波数コム直接分光の1 MHz以下の高分解能化
(日本物理学会 2020年秋季大会 2020)
パワー損失のない光周波数コムの繰り返し周波数高速化
(日本物理学会第75回年次大会 2020)

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Education (1)：

- 1996 Keio University Graduate School, Division of Science and Engineering Dept. of Physics

Professional career (2)：

Work history (6)：

2005/04 - 現在 Assistant Professor, Dept. Physics, Fac. Sci.&Tech., Keio Univ.
2011/07 - 2011/09 Guest Researcher (Max-Planck-Institut fuer Quantenoptik)
2010/07 - 2010/09 Guest Researcher (Max-Planck-Institut fuer Quantenoptik)
2000/09 - 2005/03 Research Associate, Dept. of Material Science, Faculty of Science, Himeji Institute of Technology (The institute was united and renamed as "Univ. of Hyogo" from Apr. 2004.)
2003/01 - 2004/03 Guest Researcher, Time and Frequency division, National Institute of Standards and Technology (NIST), United States of America

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Committee career (4)：

2012/04 - 2014/03 Physical Society of Japan Editor
2012/04 - 2014/03 日本物理学会物理学会誌編集委員
2007/11/01 - 2008/10/31 Physical Society of Japan Program committee of Quantum Electronics subsection, section 1
2007/11/01 - 2008/10/31 日本物理学会領域1量子エレクトロニクス分科世話人

Association Membership(s) (4)：

Physical Society of Japan , American Physical Society , Optical Society of America , The Spectroscopical Society of Japan

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