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Tokurakawa Masaki  戸倉川 正樹

ORCIDConnect your ORCID iD *help
Researcher Number 80728246
Other IDs
Affiliation (Current) 2025: 電気通信大学, レーザー新世代研究センター, 准教授
Affiliation (based on the past Project Information) *help 2024: 電気通信大学, レーザー新世代研究センター, 准教授
2019 – 2021: 電気通信大学, レーザー新世代研究センター, 准教授
2016 – 2017: 電気通信大学, レーザー新世代研究センター, 助教
Review Section/Research Field
Principal Investigator
Basic Section 30020:Optical engineering and photon science-related / Optical engineering, Photon science
Keywords
Principal Investigator
波長2 μm帯短パルス光源 / 高輝度中赤外レーザー / Mamyshev 発振器 / Tm:ZBLANファイバーレーザー / ポリマー加工 / 加工光源 / 波長2μm帯短パルスレーザー / ナノ秒ファイバレーザー / 波長2umレーザー / 2umレーザー … More / ステルス加工 / レーザー加工 / Tmファイバーレーザー / レーザー / 最大出力1W / 最短パルス幅166fs / Tm添加希土類三二酸化物 / カーレンズモード同期レーザー / カーレンズモード同期 / 2μm帯超短パルスレーザー Less
  • Research Projects

    (3 results)
  • Research Products

    (52 results)
  •  超高輝度ファイバーレーザー励起中赤外チャープパルス増幅システムの探索Principal Investigator

    • Principal Investigator
      戸倉川 正樹
    • Project Period (FY)
      2024 – 2026
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Review Section
      Basic Section 30020:Optical engineering and photon science-related
    • Research Institution
      The University of Electro-Communications
  •  Development of high energy short pulse Tm fiber oscillator and processing applicationPrincipal Investigator

    • Principal Investigator
      Tokurakawa Masaki
    • Project Period (FY)
      2019 – 2021
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Review Section
      Basic Section 30020:Optical engineering and photon science-related
    • Research Institution
      The University of Electro-Communications
  •  In-band pumped mode locked Tm solid state laser at the wavelength range at the wavelength range of 2 umPrincipal Investigator

    • Principal Investigator
      Tokurakawa Masaki
    • Project Period (FY)
      2016 – 2017
    • Research Category
      Grant-in-Aid for Young Scientists (B)
    • Research Field
      Optical engineering, Photon science
    • Research Institution
      The University of Electro-Communications

All 2022 2021 2020 2019 2018 2017 2016

All Journal Article Presentation

  • [Journal Article] 波長 2um 帯ナノ秒/フェムト秒光パルス発振器・増幅器の開発およびポリマー、シリコン材料加工応用2022

    • Author(s)
      戸倉川正樹
    • Journal Title

      天田財団「FORM TECH REVIEW 2021」

      Volume: 31

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19K05301
  • [Journal Article] スペクトル広帯域化を伴うカーレンズモード同期Tm固体レーザー2021

    • Author(s)
      戸倉川正樹、鈴木杏奈、Kraenkel Christian
    • Journal Title

      レーザー研究

      Volume: 49 Pages: 385-390

    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K05301
  • [Journal Article] 波長2 um帯希土類(Tm)添加固体・ファイバーレーザー2021

    • Author(s)
      戸倉川正樹、鈴木杏奈
    • Journal Title

      光学

      Volume: 50 Pages: 419-424

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19K05301
  • [Journal Article] レーザー加工のための波長2um帯短パルスTmレーザー光源の開発2021

    • Author(s)
      戸倉川正樹、鈴木杏奈、矢津田匠海
    • Journal Title

      レーザー加工学会誌

      Volume: 28 Pages: 3-8

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19K05301
  • [Journal Article] Sub-6 optical-cycle Kerr-lens mode-locked Tm:Lu<sub>2</sub>O<sub>3</sub> and Tm:Sc<sub>2</sub>O<sub>3</sub> combined gain media laser at 21 μm2021

    • Author(s)
      Suzuki Anna、Krankel Christian、Tokurakawa Masaki
    • Journal Title

      Optics Express

      Volume: 29 Issue: 13 Pages: 19465-19471

    • DOI

      10.1364/oe.428063

    • Peer Reviewed / Open Access / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K05301, KAKENHI-PROJECT-21J11719
  • [Journal Article] High quality-factor Kerr-lens mode-locked Tm:Sc2O3 single crystal laser with anomalous spectral broadening2020

    • Author(s)
      A. Suzuki, C. Kraekel and M. Tokurakawa
    • Journal Title

      Applied Physics Express

      Volume: 13 Issue: 5 Pages: 052007-052007

    • DOI

      10.35848/1882-0786/ab88c3

    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K05301
  • [Journal Article] 波長2μm帯ナノ秒、フェムト秒短パルス Tmレーザー光源の開発2020

    • Author(s)
      戸倉川 正樹
    • Journal Title

      天田財団「FORM TECH REVIEW 2019」 29, 105-110

      Volume: 29 Pages: 105-110

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-19K05301
  • [Journal Article] All-normal-dispersion nonlinear polarization rotation mode-locked Tm:ZBLAN fiber laser2019

    • Author(s)
      Masaki Tokurakawa, Hiromu Sagara, and Henrik Tunnermann
    • Journal Title

      Optics Express

      Volume: 27 Issue: 14 Pages: 19530-19535

    • DOI

      10.1364/oe.27.019530

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-19K05301
  • [Journal Article] Kerr-lens mode-locked Tm3+:Sc2O3 single-crystal laser in-band pumped by an Er:Yb fiber MOPA at 1611nm2017

    • Author(s)
      Masaki Tokurakawa, Eisuke Fujita, and Christian Kraenkel
    • Journal Title

      Optics Letters

      Volume: 42 Pages: 3185-3188

    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-16K17526
  • [Journal Article] Tunable noise-like pulse generation in mode-locked Tm fiber laser with a SESAM2016

    • Author(s)
      Yutaka Mashiko, Eisuke Fujita, and Masaki Tokurakawa
    • Journal Title

      Optics Express

      Volume: 24 Issue: 23 Pages: 26515-26520

    • DOI

      10.1364/oe.24.026515

    • Peer Reviewed / Acknowledgement Compliant / Open Access
    • Data Source
      KAKENHI-PROJECT-16K17526
  • [Journal Article] High power narrow-linewidth linearly-polarized 1610 nm Er:Yb all-fiber MOPA2016

    • Author(s)
      Eisuke Fujita, Yutaka Mashiko, Seira Asaya, Mitsuru Musha, and Masaki Tokurakawa
    • Journal Title

      Optics Express

      Volume: 24 Issue: 23 Pages: 26255-26260

    • DOI

      10.1364/oe.24.026255

    • Peer Reviewed / Acknowledgement Compliant / Open Access
    • Data Source
      KAKENHI-PROJECT-16K17526
  • [Presentation] 700 uJ 42 ns 2 μm Tm fiber laser system and their laser orocessing of polymers, Si and Ge wafers2022

    • Author(s)
      Takumi Yatsuda, Masaki Tokurakawa
    • Organizer
      ALPS2022
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K05301
  • [Presentation] 2 μm mode-locked lasers with normal dispersion Tm doped gain fibers2021

    • Author(s)
      Y. Uchizono, T.Sato , Y. Chen, R. Sidharthan, S. W. Yoo, M.Tokurakawa
    • Organizer
      ALPS2021
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K05301
  • [Presentation] Tm添加sesquioxide媒質を用いたカーレンズモード同期レーザー2021

    • Author(s)
      鈴木 杏奈、Krankel Christian、戸倉川 正樹
    • Organizer
      第82回応用物理学会秋季学術講演会
    • Data Source
      KAKENHI-PROJECT-19K05301
  • [Presentation] 2 μm mode-locked lasers with normal dispersion Tm doped gain fibers2021

    • Author(s)
      Yuya Uchizono , Takumi Sato , Yuhao Chen , Raghuraman Sidharthan , Seong Woo Yoo , Masaki Tokurakawa
    • Organizer
      ALPS2021
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K05301
  • [Presentation] Few ns Q-switched Tm fiber laser2021

    • Author(s)
      T.Yatsuda, M.Tokurakawa
    • Organizer
      ALPS2021
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K05301
  • [Presentation] Tm添加媒質を用いた複合利得発振器2021

    • Author(s)
      鈴木 杏奈、Kraenkel Christian、戸倉川 正樹
    • Organizer
      レーザー学会 第41回年次大会
    • Data Source
      KAKENHI-PROJECT-19K05301
  • [Presentation] 波長1650 nmLD励起Tm:Lu2O3セラミックレーザーの開発2021

    • Author(s)
      菊地音、鈴木杏奈、戸倉川正樹
    • Organizer
      レーザー学会 第41回年次大会
    • Data Source
      KAKENHI-PROJECT-19K05301
  • [Presentation] Sub-9 Optical-cycle Kerr-lens Mode-locked Combined Gain Media Laser Based on Tm-doped Sesquioxide2021

    • Author(s)
      A. Suzuki, C. Krankel, and M. Tokurakawa
    • Organizer
      CLEO/Europe-EQEC 2021
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K05301
  • [Presentation] Few ns Q-switched Tm fiber laser2021

    • Author(s)
      Takumi Yatsuda, Masaki Tokurakawa
    • Organizer
      ALPS2021
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K05301
  • [Presentation] 波長2 u帯正常分散Tm ファイバーを用いたモード同期レーザーの開発2021

    • Author(s)
      内園 裕也、佐藤 匠、Chen Yuhao、Sidharthan Raghuraman、Woo Seong Yoo、戸倉川 正樹
    • Organizer
      2021年第68回応用物理学会春季学術講演会
    • Data Source
      KAKENHI-PROJECT-19K05301
  • [Presentation] nsパルスQスイッチTmファイバーレーザー2021

    • Author(s)
      矢津田匠、原田有生、戸倉川正樹
    • Organizer
      レーザー学会 第41回年次大会
    • Data Source
      KAKENHI-PROJECT-19K05301
  • [Presentation] Tm:RE2O3(RE=Lu, Sc)複合利得媒質を用いたカーレンズモード同期レーザーによる サブ 9 サイクルパルス 発生2021

    • Author(s)
      鈴木 杏奈、Christian Kraenkel、戸倉川 正樹
    • Organizer
      2021年第68回応用物理学会春季学術講演会
    • Data Source
      KAKENHI-PROJECT-19K05301
  • [Presentation] Tm添加分散設計シリカファイバーを用いたストレッチパルスモード同期レーザーの開発2021

    • Author(s)
      佐藤 匠、Yuhao Chen、Raghuraman Sidharthan、Seong Yoo、戸倉川 正樹
    • Organizer
      レーザー学会 第41回年次大会
    • Data Source
      KAKENHI-PROJECT-19K05301
  • [Presentation] AOMを用いたQスイッチTmファイバーレーザ2020

    • Author(s)
      戸倉川 正樹、原田 有生
    • Organizer
      第67回応用物理学会春季学術講演会
    • Data Source
      KAKENHI-PROJECT-19K05301
  • [Presentation] Tm添加複合利得媒質を用いたカーレンズモード同期レーザー2020

    • Author(s)
      鈴木杏奈、Christian Krankel, 戸倉川 正樹
    • Organizer
      第5回超高速光エレクトロニクス研究会
    • Data Source
      KAKENHI-PROJECT-19K05301
  • [Presentation] 非線形散乱フィードバックを用いたサブ100 uJナノ秒Tmファイバーレーザー2020

    • Author(s)
      矢津田 匠海、原田有生、戸倉川 正樹
    • Organizer
      レーザー学会ファイバーレーザー技術専門委員会
    • Data Source
      KAKENHI-PROJECT-19K05301
  • [Presentation] カーレンズモード同期Tm3+:Lu2O3セラミックレーザーの開発2020

    • Author(s)
      鈴木 杏奈、戸倉川 正樹
    • Organizer
      第67回応用物理学会春季学術講演会
    • Data Source
      KAKENHI-PROJECT-19K05301
  • [Presentation] 分散設計Tm添加シリカファイバーを用いた0分散近傍での非線形偏波回転モード同期レーザーの開発2020

    • Author(s)
      佐藤 匠,Yuhao Chen, and R. Sidharthan, Seongwoo Yoo, 戸倉川 正樹
    • Organizer
      第5回超高速光エレクトロニクス研究会
    • Data Source
      KAKENHI-PROJECT-19K05301
  • [Presentation] 1650 nm broad-stripe diode in-band pumped Tm:Lu2O3 ceramic laser2020

    • Author(s)
      N. Kikuchi, A. Suzuki, M. Tokurakawa
    • Organizer
      ALPS2020
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K05301
  • [Presentation] 分散制御Tm添加シリカファイバーを用いた0分散近傍での非線形偏波回転モード同期レーザーの開発2020

    • Author(s)
      佐藤 匠、Yuhao Chen, and R. Sidharthan, Seongwoo Yoo, 戸倉川 正樹
    • Organizer
      レーザー学会ファイバーレーザー技術専門委員会
    • Data Source
      KAKENHI-PROJECT-19K05301
  • [Presentation] Kerr-lens mode-locked Tm3+:RE2O32020

    • Author(s)
      Anna Suzuki , Masaki Tokurakawa ,Christian Kraenkel
    • Organizer
      ALPS2020
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K05301
  • [Presentation] All-normal-dispersion mode-locked Tm:ZBLAN fiber laser2019

    • Author(s)
      Hiromu Sagara and Masaki Tokurakawa
    • Organizer
      CLEO Europe
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K05301
  • [Presentation] High Quality-Factor Kerr-lens Mode-locked Tm:Sc2O3 Laser with anomalous spectral broadening2019

    • Author(s)
      Anna Suzuki, Masaki Tokurakawa, and Christian Krankel
    • Organizer
      CLEO Europe
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K05301
  • [Presentation] 共振内スペクトル広帯域化を伴うモード同期 Tm:Sc2O3 laser レーザ2019

    • Author(s)
      鈴木杏奈、Christian Keankel, 戸倉川 正樹
    • Organizer
      第80回応用物理学会 秋季学術講演会
    • Data Source
      KAKENHI-PROJECT-19K05301
  • [Presentation] Sub-120fs Kerr-lens mode-locked Tm:Sc2O3 laser at 2.1 μm wavelength range2018

    • Author(s)
      Masaki Tokurakawa, Eisuke Fujita, Annna Suzuki and Christian Kraenkel
    • Organizer
      18th International Conference on Laser Optics ICLO 2018
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-16K17526
  • [Presentation] Sub 200 fs Kerr-lens Mode-locked Tm3+:Sc2O3 Laser In-band Pumped by a 1611nm Er:Yb Fiber MOPA2017

    • Author(s)
      Masaki Tokurakawa, Yutaka Mashiko, Eisuke Fujita and Christian Kraenkel
    • Organizer
      The 6th Advanced Lasers and Photon Sources (ALPS’17)
    • Place of Presentation
      Pacifico Yokohama (Yokohama Nishi-ku)
    • Year and Date
      2017-04-18
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-16K17526
  • [Presentation] Kerr-lens Mode-locked Tm3+:Sc2O3 laser at 2.1 μm wavelength range2017

    • Author(s)
      Masaki Tokurakawa, Yutaka Mashiko, Eisuke Fujita, Anna Suzuki, and Christian Kraenkel
    • Organizer
      ASSL 2017
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-16K17526
  • [Presentation] Kerr-lens Mode-locked Tm3+:Sc2O3 Single Crystal Laser In-band Pumped by a 1611nm Er:Yb Fiber MOPA2017

    • Author(s)
      Masaki Tokurakawa, Yutaka Mashiko, Eisuke Fujita, Christian Kraenkel
    • Organizer
      CLEO/Europe-EQEC 2017
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-16K17526
  • [Presentation] 全ファイバー型2 μm 帯Tm ファイバーノイズライクパルス発振器及び増幅器の開発2017

    • Author(s)
      益子 裕、藤田 慧祐、戸倉川 正樹
    • Organizer
      第64回応用物理学会春季学術講演会
    • Place of Presentation
      パシフィコ横浜 (神奈川県、横浜市)
    • Year and Date
      2017-03-15
    • Data Source
      KAKENHI-PROJECT-16K17526
  • [Presentation] All fiberized mode-locked Tm fiber oscillator above 100 nJ pulse energy and amplifier above 10 W average power with ~6 μJ pulse energy2017

    • Author(s)
      Yutaka Mashiko, and Masaki Tokurakawa
    • Organizer
      The 6th Advanced Lasers and Photon Sources (ALPS’17)
    • Place of Presentation
      Pacifico Yokohama (Yokohama Nishi-ku)
    • Year and Date
      2017-04-20
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-16K17526
  • [Presentation] 8 W Narrow-Linewidth Linearly-Polarized 1610 nm Er:Yb All Fiber MOPA2017

    • Author(s)
      Eisuke Fujita, Yutaka Mashiko, Masaki Tokurakawa
    • Organizer
      CLEO/Europe-EQEC 2017
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-16K17526
  • [Presentation] In band 励起を用いたモード同期Tm3+:Sc2O3レーザーの開発2017

    • Author(s)
      戸倉川 正樹,益子 裕,藤田 慧祐,クリスティアン クランケル
    • Organizer
      第37回レーザー学会年次大会
    • Place of Presentation
      徳島大学(徳島、徳島市)
    • Year and Date
      2017-01-07
    • Data Source
      KAKENHI-PROJECT-16K17526
  • [Presentation] Sub 200 fs Kerr-lens Mode-locked Tm3+:Sc2O3 Laser In-band Pumped by a 1611nm Er:Yb Fiber MOPA2017

    • Author(s)
      Masaki Tokurakawa, Yutaka Mashiko, Eisuke Fujita and Christian Kraenkel
    • Organizer
      The 6th Advanced Lasers and Photon Sources (ALPS’17)
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-16K17526
  • [Presentation] Tmファイバーを用いた波長2um帯パルスレーザーの増幅器の開発2017

    • Author(s)
      益子 裕,藤田 慧祐,戸倉川 正樹
    • Organizer
      第37回レーザー学会年次大会
    • Place of Presentation
      徳島大学(徳島、徳島市)
    • Year and Date
      2017-01-09
    • Data Source
      KAKENHI-PROJECT-16K17526
  • [Presentation] High power nonlinear polarization rotation soliton mode-locked Tm fiber laser with huge sideband spectral structure2017

    • Author(s)
      Hiromu Sagara, Eisuke Fujita, Yutaka Mashiko, Masaki Tokurakawa
    • Organizer
      The 6th Advanced Lasers and Photon Sources (ALPS’17)
    • Place of Presentation
      Pacifico Yokohama (Yokohama Nishi-ku)
    • Year and Date
      2017-04-20
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-16K17526
  • [Presentation] サブ200 fsカーレンズモード同期Tm3+:Sc2O3レーザー2017

    • Author(s)
      戸倉川 正樹、藤田 慧祐、益子 裕、クランケル クリスティアン
    • Organizer
      第64回応用物理学会春季学術講演会
    • Place of Presentation
      パシフィコ横浜 (神奈川県、横浜市)
    • Year and Date
      2017-03-15
    • Data Source
      KAKENHI-PROJECT-16K17526
  • [Presentation] 非線形偏波回転を用いたTmファイバーモード同期レーザーの開発2017

    • Author(s)
      相楽 啓、藤田 慧祐、戸倉川 正樹
    • Organizer
      第64回応用物理学会春季学術講演会
    • Place of Presentation
      パシフィコ横浜 (神奈川県、横浜市)
    • Year and Date
      2017-03-15
    • Data Source
      KAKENHI-PROJECT-16K17526
  • [Presentation] 波長1610 nm・狭線幅・単一偏光・Er:Yb全ファイバーMOPAの開発2017

    • Author(s)
      藤田 慧祐,益子 裕,戸倉川 正樹
    • Organizer
      第37回レーザー学会年次大会
    • Place of Presentation
      徳島大学(徳島、徳島市)
    • Year and Date
      2017-01-09
    • Data Source
      KAKENHI-PROJECT-16K17526
  • [Presentation] Tunable SESAM mode-locked Tm fiber laser based on chromatic dispersion of lens2016

    • Author(s)
      Yutaka Mashiko, Eisuke Fujita, Masaki Tokurakawa
    • Organizer
      CLEO2016
    • Place of Presentation
      San Jose (USA)
    • Year and Date
      2016-06-07
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-16K17526
  • [Presentation] Tunable SESAM mode-locked Tm fiber laser at the wavelength range of two micron2016

    • Author(s)
      Yutaka Mashiko, Eisuke Fujita, Masaki Tokurakawa
    • Organizer
      The 5th Advanced Lasers and Photon Sources Conference ALPS’16
    • Place of Presentation
      Pacifico Yokohama (Yokohama Nishi-ku)
    • Year and Date
      2016-05-17
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-16K17526
  • [Presentation] High power narrow-linewidth linearly-polarized 1610 nm Er:Yb all-fiber MOPA2016

    • Author(s)
      E. Fujita, Y. Mashiko, and M. Tokurakawa
    • Organizer
      The 5th Advanced Lasers and Photon Sources Conference ALPS’16
    • Place of Presentation
      Pacifico Yokohama (Yokohama Nishi-ku)
    • Year and Date
      2016-05-17
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-16K17526

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