Youhei Okawa

Profile Information

Affiliation: SSRC, AIST

Degree: 博士（学術）(東京大学)

J-GLOBAL ID: 201801020041842511
researchmap Member ID: B000323583

Research Interests

Research Areas

Manufacturing technology (mechanical, electrical/electronic, chemical engineering) / Measurement engineering /
Natural sciences / Semiconductors, optical and atomic physics / Quantum Optics

Research History

Apr, 2024 - Present

AIST
2021 - 2024

Japan Aerospace Exploration Agency
2018 - 2021

Posdoc researcher, Undergraduate School of Engineering Department of Advanced Science and Technology Health and Sport Sciences, TTI

Education

2015 - 2018

University of Tokyo

Committee Memberships

Feb, 2020 - Present

Standing member, Lightwave Sensing Technology Professional Group

Awards

2024

"Editor's Pick", Entanglement-enabled decoherence-free transmission of two-color photons through a single mode fiber, Optica Publishing Group
2020

"Editor’s Pick", Optical coherent control of stimulated Brillouin scattering via acoustic wave interference, The Optical Society of America

Youhei Okawa, Kazuo Hotate
2020

"Editor’s Pick", Distributed measurement of Brillouin dynamic grating spectrum localized by an intensity-modulated correlation-domain technique, The Optical Society of America

Youhei Okawa, Rodrigo Kendy Yamashita, Masato Kishi, Kazuo Hotate
2019

Presentation award, JSAP

Youhei Okawa
2015

Encouragement prize, University of Tokyo

Papers

Entanglement-enabled decoherence-free transmission of two-color photons through a single mode fiber

Youhei Okawa, Shunsuke Fujisawa, Yuhsuke Yasutake, Susumu Fukatsu

Optics Express, Jan 1, 2024
Computed tomography for distributed Brillouin sensing

Youhei Okawa, Kazuo Hotate

Optics Express, Oct 25, 2021
Distributed measurement of the Brillouin dynamic grating spectrum using the correlation-domain method with a fixed correlation peak position

Youhei Okawa, Kazuo Hotate

OSA Continuum, Mar 15, 2021 Peer-reviewed
Distributed measurement of Brillouin dynamic grating spectrum localized by an intensity- modulated correlation-domain technique

Youhei Okawa, Rodrigo Kendy Yamashita, Masato Kishi, Kazuo Hotate

Optics Express, Jul 6, 2020 Peer-reviewed
Brillouin optical correlation-domain reflectometry theory using stochastic representation of spontaneous Brillouin scattering light

Youhei Okawa, Kazuo Hotate

Journal of the Optical Society of America B, Jul 1, 2020 Peer-reviewed
Optical coherent control of stimulated Brillouin scattering via acoustic wave interference

Youhei Okawa, Kazuo Hotate

Optics Letters, Jul 1, 2020 Peer-reviewed
Analysis of Brillouin dynamic grating localized by intensity-modulated correlation-domain technique for distributed fiber sensing

Youhei Okawa, Rodrigo Kendy Yamashita, Masato Kishi, Kazuo Hotate

Optics Express, 28(5) 6981-6981, Mar 2, 2020 Peer-reviewed
Heralded single-photon source fueled by light-emitting diode

Daiki Nishii, Yoshiki O-oka, Youhei Okawa, Susumu Fukatsu

Applied Physics Letters, 115(21) 211106-211106, Nov 18, 2019 Peer-reviewed
Spatial Resolution Improvement of Discriminative and Distributed Measurement of Temperature/Strain with PMF using Intensity-Modulated Correlation-Domain Technique

Youhei Okawa, Rodrigo Kendy Yamashita, Masato Kishi, Kazuo Hotate

Optical Sensors and Sensing Congress (ES, FTS, HISE, Sensors), 2019 Peer-reviewed
Quantum-Enhanced Magneto-optic Measurements in a Dissipative Medium

Youhei Okawa, Shiho Morimoto, Yuhsuke Yasutake, Susumu Fukatsu

Quantum Information and Measurement (QIM) V: Quantum Technologies, 2019 Peer-reviewed
Photon heterodyning

Youhei Okawa, Fuminori Omura, Yuhsuke Yasutake, Susumu Fukatsu

OPTICS EXPRESS, 25(17) 20156-20161, Aug, 2017 Peer-reviewed

Misc.

相関領域法に基づくブリルアン計測とダイナミックグレーティング

大川洋平

光学, 52(4), Apr, 2023
量子効果を使った散逸のある媒質のファラデー回転の測定

大川洋平, 守本志帆, 安武裕輔, 深津晋

日本物理学会講演概要集(CD-ROM), 73(1) ROMBUNNO.22aK203‐5, Mar 23, 2018
広帯域半導体レーザー励起におけるSPDC光子対のエンタングルメント特性

大川洋平, 藤澤俊祐, 安武裕輔, 深津晋

応用物理学会秋季学術講演会講演予稿集(CD-ROM), 78th ROMBUNNO.5p‐A414‐2, Aug 25, 2017
SMファイバにおける二色光子偏光もつれ状態のデコヒーレンス

大川洋平, 大村史倫, 安武裕輔, 安武裕輔, 深津晋

応用物理学会春季学術講演会講演予稿集(CD-ROM), 64th ROMBUNNO.17p‐414‐7, Mar 1, 2017
周波数上に位相符号化するDPS量子鍵配送方式

大川洋平, 大村史倫, 安武裕輔, 安武裕輔, 深津晋

応用物理学会春季学術講演会講演予稿集(CD-ROM), 63rd ROMBUNNO.20P-W541-9, Mar 3, 2016
光子ヘテロダイニング

大川洋平, 大村史倫, 安武裕輔, 安武裕輔, 深津晋

日本物理学会講演概要集(CD-ROM), 70(2) ROMBUNNO.17PAC-3, Sep 24, 2015
円偏光PLEによるGe直接遷移端への光スピン注入

安武裕輔, 安武裕輔, 太野垣健, 太野垣健, 大川洋平, 矢口裕之, 金光義彦, 深津晋

応用物理学会秋季学術講演会講演予稿集(CD-ROM), 76th ROMBUNNO.14A-2N-8, Aug 31, 2015
微弱光の自己ヘテロダインビートの測定

大川洋平, 大岡佳生, 大村史倫, 安武裕輔, 深津晋

応用物理学会春季学術講演会講演予稿集(CD-ROM), 62nd ROMBUNNO.11A-A17-7, Feb 26, 2015
強度相関測定におけるSi‐APDのクロストークの解析

大川洋平, 大村史倫, 安武裕輔, 深津晋

応用物理学会秋季学術講演会講演予稿集(CD-ROM), 75th ROMBUNNO.18P-S8-6, Sep 1, 2014

Presentations

衛星ライダー用パルスファイバレーザー試作に関する検討

第41回レーザーセンシングシンポジウム, Sep, 2023
ISS搭載ライダー実証MOLIの概要と進捗

第41回レーザーセンシングシンポジウム, Sep, 2023
ブリルアンダイナミックグレーティングとその応用

第68回光波センシング技術研究会, May, 2023 Invited
偏波保持ファイバ中の音響波干渉を用いたブリルアン利得制御

大川洋平, 保立和夫

第３回光ファイバ応用技術研究会, 2020 Invited
BDG-BOCDA歪/温度分離・分布測定系の機能向上に関する検討

大川洋平, 保立和夫

第81回応用物理学会秋季学術講演会, 2020
四光波混合を用いた誘導ブリルアン散乱のコヒーレント光制御

大川洋平, 保立和夫

第67回応用物理学会春季学術講演, 2020
Effective Localization of Brillouin Dynamic Grating for Distributed Fiber Sensing by Intensity-Modulated Correlation-Domain Technique

Youhei Okawa, Rodrigo Kendy Yamashita, Masato Kishi, Kazuo Hotate

Micro optics conference 2019, Nov, 2019
Localization of Brillouin Dynamic Grating by Intensity-Modulated Correlation-Domain Technique

Youhei Okawa, Rodrigo Kendy Yamashita, Masato Kishi, Kazuo Hotate

JSAP, Oct, 2019
Generation of heralded nonclassical photons by LED pumping

Daiki Nishii, Yoshiki O-oka, Youhei Okawa, Susumu Fukatsu

Quantum Communications and Quantum Imaging XVII, Aug, 2019
Decoherence-free transmission of two-color polarization-entangled photons through single-mode fiber

Youhei Okawa, Shunsuke Fujisawa, Yuhsuke Yasutake, Susumu Fukatsu

Aug, 2019
Spatial Resolution Improvement of Discriminative and Distributed Measurement of Temperature/Strain with PMF using Intensity- Modulated Correlation-Domain Technique

Youhei Okawa, Rodorigo K. Yamashita, Masato Kish, Kazuo Hotate

Optical sensors and sensing congress, Jun, 2019
Quantum-Enhanced Magneto-optic Measurements in a Dissipative Medium

Youhei Okawa, Shiho Morimoto, Yuhsuke Yasutake, Susumu Fukatsu

Quantum Information and Measurement (QIM) V: Quantum Technologies, Apr, 2019
Analysis of light-source intensity modulation effect in BDG-BOCDA starin/temperature discriminative distributed measurement system

Youhei Okawa, Rodorigo K. Yamashita, Kishi Masato, Kazuo Hotate

JSAP Spring meeting, Mar, 2019
隠れたエンタングルメントの検出

大川洋平, 藤澤俊輔, 深津晋

第38回量子情報技術研究会, 2018
量子効果を使った散逸のある媒質のファラデー回転の測定

大川洋平, 守本志帆, 安武裕輔, 深津晋

第73回日本物理学会（東京理科大学）, 2018
Photon heterodyning and its applications

Y. Okawa, F. Omura, Y. Yasutake, S. Fukatsu

SPIE, Commercial + Scientific Sensing and Imaging, 2018 Invited
SM ファイバにおける二色偏光もつれ光子対の集団デコヒーレンス

大川洋平, 安武裕輔, 深津晋

第36回量子情報技術研究会（立命館大学）, 2017
広帯域半導体レーザー励起におけるSPDC 光子対のエンタングルメント特性

大川洋平, 藤澤俊輔, 安武裕輔, 深津晋

第78回応用物理学会秋季学術講演会 (福岡国際会議場), 2017
周波数上に位相符号化するDPS量子鍵配送方式

大川洋平, 大村史倫, 安武裕輔, 深津晋

第63回応用物理学会春季学術講演会 (東京工業大学), 2016
円偏光PLEによるGe直接遷移端への光スピン注入

安武裕輔, 太野垣健, 大川洋平, 矢口裕之, 金光義彦, 深津晋

第76回応用物理学会秋季学術講演会 (名古屋国際会議場),, 2015

Teaching Experience

自然現象と揺らぎ（実験科目TA） (東京大学)

Professional Memberships

Research Projects

光ファイバにおける誘導ブリルアン散乱のコヒーレント制御

科学研究費助成事業, 若手研究, 日本学術振興会, Apr, 2024 - Mar, 2026

大川洋平
光ファイバ中の誘導ブリルアン散乱を用いた温度と歪の分離・分布センシングの機能向上

若手研究, 科研費, Apr, 2019 - Mar, 2021

大川洋平

Profile Information

Research Interests

Research Areas

Research History

Education

Committee Memberships

Awards

Papers

Misc.

Presentations

Teaching Experience

Professional Memberships

Research Projects

Menu

Coauthors