About

岡﨑 大樹 / Daiki OKAZAKI

岡﨑 大樹 / Daiki OKAZAKI

Kyoto University Gokasho, Uji, Kyoto 611-0011, Japan
Advanced Research Center for Beam Science Institute for Chemical Research

TEL: (+81)774-38-3292

mail: okazaki_at_laser.kuicr.kyoto-u.ac.jp
(Please convert _at_ into @)

Education

Sep. 2022

Doctor's Degree in Engineering Department of Applied Physics, School of Engineering, The University of Tokyo
Ph.D. in Engineering,    Ph.D. Thesis「先進的振動分光に向けたCr:ZnS中赤外モード同期レーザーの開発」

Affiliation

Nov. 2022 - Dec. 2022

JSPS Research Fellow (PD),   The institute of Industrial Science, The University of Tokyo (Ashihara laboratory)

January 2023 - current

Assistant Professor (Research Associate),   Institute for Chemical Research, Kyoto University (Tokita laboratory)

April 2024 - March 2025

Visiting Scientist,  

Max Planck Institute of Quantum Optics, Division of Attosecond Physics

Activities

Publications

    Ko Arai, Daiki Okazaki, Ikki Morichika, and Satoshi Ashihara,
    “All-Solid-State Optical-Field-Sensitive Detector for Sub-Nanojoule Pulses using Metal-Insulator Hybrid Nanostructure”,
    ACS Photonics, Vol.10, No.6, pp.1702-1707 (2023).

    Daiki Okazaki, Wenqing Song, Ikki Morichika, and Satoshi Ashihara,
    “Mode-locked laser oscillation with spectral peaks at molecular rovibrational transition lines”,
    Optics Letters, Vol.47, No.23, pp.6077-6080 (2022).

    Wenqing Song, Daiki Okazaki, Ikki Morichika, and Satoshi Ashihara,
    “Broadband background-free vibrational spectroscopy using a mode-locked Cr:ZnS laser”,
    Optics Express, Vol.30, No.21, pp.38674-38683 (2022).

    Xiangbao Bu, Daiki Okazaki, and Satoshi Ashihara,
    “Inherent intensity noise suppression in a mode-locked polycrystalline Cr:ZnS oscillator”,
    Optics Express, Vol. 30, No.6, pp. 8517-8525 (2022).

    Tobias Kugel, Daiki Okazaki, Ko Arai, and Satoshi Ashihara,
    “Direct electric-field reconstruction of few-cycle mid-infrared pulses in the nanojoule energy range”,
    Applied Optics, Vol. 61, No.4, pp. 1076-1081 (2022). * Highlighted as an Editor's Pick

    Daiki Okazaki, Ikki Morichika, Hayato Arai, Esko I. Kauppinen, Qiang Zhang, Anton Anisimov, Illka Varjos, Shohei Chiashi, Shigeo Maruyama, and Satoshi Ashihara,
    “Ultrafast saturable absorption of large-diameter single-walled carbon nanotubes for passive mode-locking in the mid-infrared”,
    Optics Express, Vol.28, No.14, pp.19997-20006 (2020).

    Daiki Okazaki, Hayato Arai, Anton Anisimov, Esko I. Kauppinen, Shohei Chiashi, Shigeo Maruyama, Norihito Saito, and Satoshi Ashihara,
    “Self-starting mode-locked Cr:ZnS laser using single-walled carbon nanotubes with resonant absorption at 2.4 um”,
    Optics Letters, Vol.44, No.7, pp.1750-1753 (2019).

Review

    Daiki Okazaki and Satoshi Ashihara,
    “Development of Mode-Locked Cr:ZnS Mid-Infrared Lasers”,
    The Review of Laser Engineering, vol. 49, No.7, pp.390-395 (2021).

International Conferences

Oral

    Daiki Okazaki, Wenqing Song, Ikki Morichika, and Satoshi Ashihara,
    "Mode-locked Pulses with Narrowband Comb-like Peaks Formed by Intracavity Amplitude Modulation from Gaseous Molecules",
    CLEO®/Europe-EQEC 2023, CF-7.5, Munich, Germany, 28th June 2023.

    Daiki Okazaki, Wenqing Song, Ikki Morichika, and Satoshi Ashihara,
    “Mode-locked Cr:ZnS laser with multiple spectral peaks at molecular vibrational resonances”,
    CLEO PacificRim 2022, CTuA1A-04, Sapporo, Japan, 2nd August 2022.

    Daiki Okazaki, Wenqing Song, Ikki Morichika, and Satoshi Ashihara,
    “Mode-locked Cr:ZnS laser with positive peak structure of gaseous molecules”,
    The 11th Advanced Lasers and Photon Sources (ALPS 2022), ALPS-2-02, Yokohama, Japan, 18th April 2022.

    Daiki Okazaki, Ikki Morichika, Esko Kauppinen, Zhang Qiang, Anton Anisimov, Varjos Ilkka, Shohei Chiashi, Shigeo Maruyama, and Satoshi Ashihara,
    “Sub 5-cycle pulse generation from mode-locked Cr:ZnS laser using mid-IR resonant SWCNTs",
    The 22nd International Conference on Ultrafast Phenomena, W3A.7 Online Shanghai, 18th November 2020.

    Daiki Okazaki, Hayato Arai, Esko I. Kauppinen, Shohei Chiashi, Shigeo Maruyama, and Satoshi Ashihara,
    "Mode-locked Oscillation of Cr:ZnS Laser using a Single Walled Carbon Nanotube Film with Resonant Absorption at 2.4 um",
    CLEO®/Europe-EQEC 2019, CA-6.1, Munich, Germany, 24th June 2019.

    Daiki Okazaki, Hayato Arai, Esko I. Kauppinen, Shohei Chiashi, Shigeo Maruyama, and Satoshi Ashihara,
    "Carbon Nanotube Mode-Locked Cr:ZnS Laser with 400 nm Tuning Range",
    The 8th Advanced Lasers and Photon Sources (ALPS 2019), ALPS-11-02, Yokohama, Japan, 24th April 2019.
    * The Best Student Oral Paper Award in the 8th Advanced Lasers and Photon Sources

Poster

    Daiki Okazaki, Tsuneto Kanai, Linpeng Yu, Ryo Yasuhara, and Shigeki Tokita
    “Development of 7-pass Fe:ZnSe amplifier seeded by KTA-based OPA at 3.9 um”,
    The 13th Advanced Lasers and Photon Sources (ALPS 2024), ALPSp1-04, Yokohama, Japan, 24th April 2024.

Co-author

    Tsuneto Kanai, Edgar Kaksis, Audrius Pugžlys, Andrius Baltuška,Daiki Okazaki, Ryo Yasuhara, Shigeki Tokita
    “Supercontinuum-seeded 4-micron KTA Optical Parametric Amplifier for Seeding a High Energy Fe:ZnSe Multipass Amplifier and Related Applications in Particle Physics”,
    Laser Congress 2023, Washington, USA, 10th October 2023 *Invited

    Wenqing Song, Daiki Okazaki, Ikki Morichika, and Satoshi Ashihara,
    “Background-Free Vibrational Spectroscopy based on Destructive Interference around 2.3 um”,
    CLEO PacificRim 2022, CWP17A-01, Sapporo, Japan, 3rd August 2022. *Invited

    Ko Arai, Daiki Okazaki, Ikki Morichika, and Satoshi Ashihara,
    “Optical Field Detector for Sub-Nanojoule Pulses using Insulator-Encapsulated Metal Nanostructures”,
    CLEO PacificRim 2022, CTuA1A-04, Sapporo, Japan, 1st August 2022.

    Ko Arai, Daiki Okazaki, Ikki Morichika, and Satoshi Ashihara,
    “All-Solid-State Optical Field Detector Using Metal-Insulator Hybrid Nanostructures”,
    International Conference on Ultrafast Phenomena, Th1A.3 Montreal Online, 21st July 2022.

    Ko Arai, Daiki Okazaki, Ikki Morichika, and Satoshi Ashihara,
    “Optical manipulation of electron emission at metal-insulator interface for all-solid-state light phase detector”,
    OPTICS & PHOTONICS International Congress (OPIC) 2022, OMC2-03 Yokohama, 19th April 2022.

    Xiangbao Bu, Daiki Okazaki, and Satoshi Ashihara,
    “Intensity noise suppression in a mode-locked polycrystalline Cr:ZnS laser employing inherent second harmonic generation”,
    The 11th Advanced Lasers and Photon Sources (ALPS 2022), ALPS-2-03, Yokohama, Japan, 18th April 2022.

    Tobias Kugel, Daiki Okazaki, and Ko Arai, and Satoshi Ashihara,
    “Cr:ZnS laser pulse characterization by two-dimensional spectral shearing interferometry”,
    OSJ-OSA-OSK Joint Symposia in Optics & Photonics Japan 2020, 14pCJ4 Online, 14th November 2020. * OSJ/OSA Student Prize

Co-author, poster

    Edgar Kaksis, Tsuneto Kanai, Audrius Pugžlys, Andrius Baltuška, Daiki Okazaki, Ryo Yasuhara, and Shigeki Tokita
    “Development of a 6-mJ, 100-Hz, femtosecond Yb:CaF2 regenerative amplifier for driving 4-micron KTA parametric amplifiers”,
    Quantum Beam Application for Science and Industries (Q-BASIS 2023), PO-12, SANKEN, Osaka, Japan, 26th April 2023.

    Tsuneto Kanai, Edgar Kaksis, Audrius Pugžlys, Andrius Baltuška, Daiki Okazaki, Ryo Yasuhara, and Shigeki Tokita
    “Supercontinuum-seeded 4-micron KTA optical parametric amplifier for seeding TW-class Fe:ZnSe multipass amplifiers”,
    Quantum Beam Application for Science and Industries (Q-BASIS 2023), PO-09, SANKEN, Osaka, Japan, 26th April 2023.

    Tobias Kugel, Daiki Okazaki, Ko Arai, and Satoshi Ashihara,
    “Two-dimensional spectral shearing interferometry (2DSI) designed for mode-locked Cr:ZnS lasers”,
    CLEO®/Europe-EQEC 2021, CF-P.5, Online Munich, 23rd June 2021.

Fundings

研究費(代表)

    公益財団法人 住友財団 2023年度基礎科学研究助成 令和5年度~令和6年度 120万円,
    「中赤外域における波長可変バーストパルス光源の開発」

    公益財団法人 天田財団 2023年度奨励研究助成(若手研究者枠) 令和5年度~令和7年度 200万円,
    「高効率なフェムト秒レーザプロセッシングに向けた新しいバーストパルス発生手法の開拓」

    科研費 研究活動スタート支援 令和5年度~令和6年度 286万円,
    「高強度レーザーを用いたマルチスペクトルピーク光源技術の探求」

    公益財団法人 山田科学振興財団 2023年度研究援助 令和5年度~令和7年度 300万円,
    「レーザーダイオード励起による高出力な波長3um帯ファイバーレーザーの開発」

    日本学術振興会 特別研究員奨励費 令和2年度~令和4年度 310万円,
    「Cr:ZnSを用いた中赤外超短パルス光源の開発とアプリケーションの新規開拓」

海外派遣助成など

    一般財団法人 丸文財団 2024年度交流研究助成【第2期】 150万円

    公益財団法人 吉田科学技術財団 2022年度第4期分国際研究集会派遣助成
    (国際会議 CLEO®/Europe-EQEC 2023, 26万円)

    一般財団法人 丸文財団 2023年度第1期分国際交流助成
    (国際会議 CLEO®/Europe-EQEC 2023, 20万円)

    一般財団法人丸文財団 2020年度第1期分国際交流助成
    (国際会議 Ultrafast Phenomena 2020, 10万円 但し、新型感染症のため受給辞退)

    東京大学生産技術研究所 総務課国際交流チーム 2020年度第1回国際研究集会派遣助成
    (国際会議 Ultrafast Phenomena 2020, 20.4万円 但し、新型感染症のため受給辞退)

研究分担

Educations & Committee

Education

    2024年 京都大学大学院理学研究科 レーザー科学ゼミAB

    2023年後期 京都大学理学部物理学教室(学部2回生) 現代物理学(リレー講義)10月3日

    2023年後期 京都大学理学部物理学教室(学部3回生) 物理科学課題演習A4-2

    2023年夏季集中 京都大学理学部物理学教室(学部2回生) 2023年度現代物理学実験

Committee

    レーザー学会 中赤外レーザー技術専門委員会 幹事(2023年)

    京都大学化学研究所 広報委員会 委員(2023年)

Awards

    令和4年度次世代ファイバレーザー技術研究会 優秀口頭発表賞, 「分子の指紋を重畳したCr:ZnS中赤外モード同期レーザー」(2022年11月)

    第7回OPJ(Optics&Photonics Japan)優秀講演賞, 「分子の指紋を重畳したモード同期Cr:ZnSレーザー」(2021年10月)

    第47回応用物理学会 講演奨励賞, 「単層カーボンナノチューブフィルムを用いたCr:ZnS中赤外モード同期レーザー II」(2020年3月)

    2019 PKU-UTokyo Nano-Carbon Summer Camp Best Proposal Award,
    “The Potential Application of Twisted Bi-layer Graphene in Mode-locking Laser”(2019年8月)

    The Best Student Oral Paper Award in the 8th Advanced Lasers and Photon Sources,
    “Carbon Nanotube Mode-Locked Cr:ZnS Laser with 400 nm Tuning Range”(2019年4月)




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