Basic Information

Affiliated programs (koza)

• Graduate School of Science, 物理学・宇宙物理学専攻 電磁物理学講座, 助教

Academic Degree

• 修士（理学）(東京大学)
• 博士（理学）(東京大学)

Language of Instruction

• Japanese

ID,URL

• ORCID ID

  0000-0002-6489-343X

• J-Global ID

  202001010413479683

researchmap URL

• https://researchmap.jp/goyumoto

Research

Research Topics, Overview of the research

• Research Topics

  Optical spectroscopy of semiconductors, Ultrafast laser spectroscopy,Nano materials science

• Overview of the research

  Study of ultrafast optical responses of nano materials

Papers

• Polarization anomaly in high harmonics in the crossover region between perturbative and extreme nonlinearity in GaAs

  Fumiya Sekiguchi; Go Yumoto; Hideki Hirori; Yoshihiko Kanemitsu

  Physical Review B, 20 Dec. 2022

  
• Biexciton dynamics in halide perovskite nanocrystals

  Go Yumoto; Yoshihiko Kanemitsu

  Physical Chemistry Chemical Physics, 2022

  
• Rapidly expanding spin-polarized exciton halo in a two-dimensional halide perovskite at room temperature

  Go Yumoto; Fumiya Sekiguchi; Ruito Hashimoto; Tomoya Nakamura; Atsushi Wakamiya; Yoshihiko Kanemitsu

  Science Advances, 29 Jul. 2022

  
• Size-controlled quantum dots reveal the impact of intraband transitions on high-order harmonic generation in solids

  Kotaro Nakagawa; Hideki Hirori; Shunsuke A. Sato; Hirokazu Tahara; Fumiya Sekiguchi; Go Yumoto; Masaki Saruyama; Ryota Sato; Toshiharu Teranishi; Yoshihiko Kanemitsu

  NATURE PHYSICS, Jun. 2022

  
• Metal-free ferroelectric halide perovskite exhibits visible photoluminescence correlated with local ferroelectricity

  Taketo Handa; Ruito Hashimoto; Go Yumoto; Tomoya Nakamura; Atsushi Wakamiya; Yoshihiko Kanemitsu

  Science Advances, 24 Jun. 2022

  
• Strong spin-orbit coupling inducing Autler-Townes effect in lead halide perovskite nanocrystals.

  Go Yumoto; Hideki Hirori; Fumiya Sekiguchi; Ryota Sato; Masaki Saruyama; Toshiharu Teranishi; Yoshihiko Kanemitsu

  Nature communications, 21 May 2021

  
• Enhancing the Hot-Phonon Bottleneck Effect in a Metal Halide Perovskite by Terahertz Phonon Excitation.

  Fumiya Sekiguchi; Hideki Hirori; Go Yumoto; Ai Shimazaki; Tomoya Nakamura; Atsushi Wakamiya; Yoshihiko Kanemitsu

  Physical review letters, 19 Feb. 2021

  
• Triplet management for efficient perovskite light-emitting diodes

  Chuanjiang Qin; Toshinori Matsushima; William J. Potscavage; Atula S. D. Sandanayaka; Matthew R. Leyden; Fatima Bencheikh; Kenichi Goushi; Fabrice Mathevet; Benoit Heinrich; Go Yumoto; Yoshihiko Kanemitsu; Chihaya Adachi

  NATURE PHOTONICS, Feb. 2020, Peer-reviewed

  
• Ionization and Neutralization Dynamics of CsPbBr3 Perovskite Nanocrystals Revealed by Double-Pump Transient Absorption Spectroscopy.

  Satoshi Nakahara; Keiichi Ohara; Hirokazu Tahara; Go Yumoto; Tokuhisa Kawawaki; Masaki Saruyama; Ryota Sato; Toshiharu Teranishi; Yoshihiko Kanemitsu

  The journal of physical chemistry letters, 15 Aug. 2019, Peer-reviewed

  
• Suppression of Trion Formation in CsPbBr3 Perovskite Nanocrystals by Postsynthetic Surface Modification

  Satoshi Nakahara; Hirokazu Tahara; Go Yumoto; Tokuhisa Kawawaki; Masaki Saruyama; Ryota Sato; Toshiharu Teranishi; Yoshihiko Kanemitsu

  JOURNAL OF PHYSICAL CHEMISTRY C, Sep. 2018, Peer-reviewed

  
• Hot Biexciton Effect on Optical Gain in CsPbI3 Perovskite Nanocrystals.

  Go Yumoto; Hirokazu Tahara; Tokuhisa Kawawaki; Masaki Saruyama; Ryota Sato; Toshiharu Teranishi; Yoshihiko Kanemitsu

  The journal of physical chemistry letters, 03 May 2018, Peer-reviewed

  
• Ultrafast Terahertz Nonlinear Optics of Landau Level Transitions in a Monolayer Graphene.

  Go Yumoto; Ryusuke Matsunaga; Hiroki Hibino; Ryo Shimano

  Physical review letters, 09 Mar. 2018, Peer-reviewed

  
• Optical Quantum Hall Effect in Graphene

  湯本郷; 島野亮; 島野亮

  レーザー研究, 2014, Peer-reviewed

  
• Quantum Faraday and Kerr rotations in graphene

  R. Shimano; G. Yumoto; J. Y. Yoo; R. Matsunaga; S. Tanabe; H. Hibino; T. Morimoto; H. Aoki

  NATURE COMMUNICATIONS, May 2013, Peer-reviewed

  

Misc.

• Strong spin-orbit coupling induces ultrafast nonlinear optical responses in CsPbBr₃ perovskite nanocrystals

  湯本郷; 廣理英基; 関口文哉; 佐藤良太; 猿山雅亮; 寺西利治; 金光義彦

  応用物理学会秋季学術講演会講演予稿集(CD-ROM), 2021

  
• Observation of strong spin-orbit coupling induced Autler-Townes effect in CsPbBr₃ nanocrystals

  湯本郷; 廣理英基; 関口文哉; 佐藤良太; 猿山雅亮; 寺西利治; 金光義彦

  日本物理学会講演概要集(CD-ROM), 2021

  
• Measurement of Optical Stark Effect in Semiconductor Nanoparticles

  坂本実; 湯本郷; 中川耕太郎; 廣理英基; 猿山雅亮; 佐藤良太; 寺西利治; 金光義彦

  日本物理学会講演概要集(CD-ROM), 2021

  
• Ultrafast quench dynamics of photoluminescence in lead-halide perovskites induced by intense terahertz pulses

  関口文哉; 湯本郷; 廣理英基; 嶋崎愛; 中村智也; 若宮淳志; 金光義彦

  日本物理学会講演概要集(CD-ROM), 2020

  
• ダブルポンプ過渡吸収分光によるCsPbBr₃ナノ粒子のイオン化機構の解明

  小原慧一; 中原聡志; 田原弘量; 湯本郷; 川脇徳久; 猿山雅亮; 佐藤良太; 寺西利治; 金光義彦

  応用物理学会春季学術講演会講演予稿集(CD-ROM), 2019

  
• CsPbI₃ナノ粒子におけるダブルパルス励起の光学利得ダイナミクス

  媚山悦企; 田原弘量; 湯本郷; 川脇徳久; 猿山雅亮; 佐藤良太; 寺西利治; 金光義彦

  応用物理学会秋季学術講演会講演予稿集(CD-ROM), 2019

  
• Trion generation mechanism in lead halide perovskite nanocrystals

  Nakahara Satoshi; Tahara Hirokazu; Yumoto Go; Kawawaki Tokuhisa; Saruyama Masaki; Sato Ryota; Teranishi Toshiharu; Kanemitsu Yoshihiko

  Meeting Abstracts of the Physical Society of Japan, 2018

  
• Generation and Relaxation Dynamics of Charged Excitons in CsPbBr₃ Nanocrystals

  Nakahara Satoshi; Tahara Hirokazu; Yumoto Go; Kawawaki Tokuhisa; Saruyama Masaki; Sato Ryota; Teranishi Toshiharu; Kanemitsu Yoshihiko

  Meeting Abstracts of the Physical Society of Japan, 2018

  
• Influence of exciton-exciton interaction on optical responses of lead-halide perovskite nanocrystals

  Yumoto Go; Tahara Hirokazu; Kawawaki Tokuhisa; Saruyama Masaki; Sato Ryota; Teranishi Toshiharu; Kanemitsu Yoshihiko

  Meeting Abstracts of the Physical Society of Japan, 2018

  
• Ultrafast terahertz nonlinear effect of Landau level transition in graphene

  Go Yumoto; Ryusuke Matsunaga; Hiroki Hibino; Ryo Shimano

  2016 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO), 2016

  
• Ultrafast nonlinear terahertz response emerging from non-equidistant Landau levels of monolayer graphene under high magnetic field

  Yumoto Go; Matsunaga Ryusuke; Hibino Hiroki; Shimano Ryo

  Meeting Abstracts of the Physical Society of Japan, 2016

  
• 19pBH-7 Ultrafast nonlinear terahertz response in Landau-quantized monolayer graphene

  Yumoto G.; Matsunaga R.; Hibino H.; Shimano R.

  Meeting Abstracts of the Physical Society of Japan, 2016

  
• 24aCP-5 Nonlinear terahertz Faraday rotation in monolayer epitaxial graphene

  Yumoto G.; Matsunaga R.; Hibino H.; Shimano R.

  Meeting Abstracts of the Physical Society of Japan, 2015

  
• 16pCF-2 Nonlinear Faraday rotation in graphene studied by THz pump-THz probe spectroscopy

  Yumoto G.; Matsunaga R.; Hibino H.; Shimano R.

  Meeting Abstracts of the Physical Society of Japan, 2015

  
• 29pCK-5 Terahertz spectroscopy of high density electron-hole system in Ge under the magnetic field and the uniaxial stress

  Yoo J. Y.; Yumoto G.; Shimano R.

  Meeting Abstracts of the Physical Society of Japan, 2014

  
• 29pPSA-27 The effect of the monolayer filling factor on the quantum Faraday rotation in graphene

  Yumoto G.; Yoo J. Y.; Matsunaga R.; Hibino H.; Shimano R.

  Meeting Abstracts of the Physical Society of Japan, 2014

  
• 26aXT-8 Quantum Faraday and Kerr rotations in epitaxial graphene on SiC

  Yumoto G.; Yoo J. Y.; Matsunaga R.; Tanabe S.; Hibino H.; Morimoto T.; Aoki H.; Shimano R.

  Meeting Abstracts of the Physical Society of Japan, 2013

  

Presentations

• Ultrafast Spatiotemporal Dynamics of Room-Temperature Exciton Spins in a Two-Dimensional Layered Halide Perovskite

  MRS Spring meeting 2023, Apr. 2023

  
• Exciton Photophysics of Halide Perovskites for Novel Applications

  MRS Spring meeting 2023, Apr. 2023

  
• 偏光分解ポンプ・プローブ顕微分光法の開発と超高速二次元励起子スピン輸送の観測

  レーザー学会学術講演会第43回年次大会, Jan. 2023

  
• 半導体ナノ結晶における励起子利得

  光電相互変換 第125委員会 第262回研究会, Dec. 2022

  
• 二次元層状ハライドペロブスカイトにおける励起子スピンの時間分解イメージング

  日本物理学会 2022年秋季大会, Sep. 2022

  
• 偏光分解ポンプ・プローブ顕微鏡を用いた二次元層状ハライドペロブスカイトにおける励起子スピンイメージング

  第83回応用物理学会秋季学術講演会, Sep. 2022

  
• Strong spin-orbit coupling induced nonlinear optical responses in CsPbBr3 nanocrystals

  Materials Research Meeting 2021, Dec. 2021

  
• CsPbBr3ナノ粒子における大きなスピン軌道相互作用に起因したAutler-Townes効果の観測

  日本物理学会2021年秋季大会, Sep. 2021

  
• CsPbBr3ペロブスカイトナノ粒子の大きなスピン軌道相互作用に起因した超高速非線形光学応答

  第82回応用物理学会秋季学術講演会, Sep. 2021

  
• Influence of hot biexcitons on optical gain in CsPbI3 perovskite nanocrystals

  10th International Conference on Quantum Dots (QD2018), Jun. 2018

  
• CsPbI3ナノ粒子の光学応答におけるホットバイエキシトン効果

  第65回応用物理学会春季学術講演会, Mar. 2018

  
• ハロゲン化鉛ペロブスカイトナノ粒子の光学応答とエキシトン－エキシトン相互作用

  日本物理学会第73回年次大会, Mar. 2018

  
• フェムト秒分光によるハロゲン化鉛ペロブスカイトナノ粒子の励起子多体効果の解明

  第38回レーザー学会学術講演会, Jan. 2018

  
• Optoelectronic properties of lead halide perovskites

  International Symposium on Energy Science and Technology 2018, Jan. 2018, Invited

  
• Hot Exciton Luminescence from CsPbI3 Nanocrystals

  MRS Fall Meeting 2017, Nov. 2017

  
• ハロゲン化鉛ペロブスカイトナノ粒子における光励起ダイナミクス

  統合物質創製化学研究推進機構 第3回国内シンポジウム, Oct. 2017

  
• CsPbI3ナノ粒子におけるホットエキシトンの光学応答

  第78回応用物理学会秋季学術講演会, Sep. 2017

  
• Lead-halide perovskites: a new solution-processed semiconductor for photonics

  JST-Leibniz Association Joint Workshop on Advanced Material Sciences,, Sep. 2017, Invited

  
• Nonlinear optical responses of non-equidistant Landau levels in graphene in terahertz frequency range

  The 6th IW-FIRT 2017 and the 2nd DHP-TST 2017, Mar. 2017, Invited

  
• 単層グラフェンにおける非等間隔ランダウ準位の超高速非線形テラヘルツ応答

  第8回低温センター研究交流会, Feb. 2017

  
• 強磁場下単層グラフェンの非等間隔ランダウ準位に基づく超高速非線形テラヘルツ応答

  日本物理学会2016年秋季大会, Sep. 2016

  
• Ultrafast terahertz nonlinear effect of Landau level transition in graphene

  CLEO 2016, Jun. 2016

  
• ランダウ量子化した単層グラフェンにおける超高速非線形テラヘルツ応答

  日本物理学会第71回年次大会, Mar. 2016

  
• Ultrafast terahertz nonlinearity in Landau-quantized graphene

  Cooperation in Physics Workshop: LMU-UT, Mar. 2016

  
• 単層グラフェンにおけるランダウ準位の超高速非線形テラヘルツ応答

  第7回低温センター研究交流会, Feb. 2016

  
• THzポンプ-THzプローブ分光法による単層グラフェンにおける非線形ファラデー回転の観測

  日本物理学会2015年秋季大会, Sep. 2015

  
• 単層グラフェンにおける非線形テラヘルツファラデー回転

  第6回低温センター研究交流会, Mar. 2015

  
• 単層エピタキシャルグラフェンにおける非線形テラヘルツファラデー回転

  日本物理学会第70回年次大会, Mar. 2015

  
• Nonlinear terahertz Faraday rotation in monolayer epitaxial graphene

  Fujihara Seminar, Sep. 2014

  
• 単層グラフェンの量子ファラデー回転角における面積充填率の影響

  日本物理学会第69回年次大会, Mar. 2014

  
• グラフェンにおける量子ファラデー効果・量子カー効果

  第4回低温センター研究交流会, Mar. 2013

  
• SiC上エピタキシャルグラフェンの量子テラヘルツファラデー回転・カー回転

  日本物理学会第68回年次大会, Mar. 2013

  

Education

Teaching subject(s)

• From 01 Apr. 2023, To 31 Mar. 2024

  Seminar on Optical Materials Science B

  2120, Fall, Graduate School of Science, 2
• From 01 Apr. 2023, To 31 Mar. 2024

  Seminar on Optical Materials Science A

  2119, Spring, Graduate School of Science, 2
• From 01 Apr. 2023, To 31 Mar. 2024

  Seminar on Optical Materials Science D

  2122, Fall, Graduate School of Science, 2
• From 01 Apr. 2023, To 31 Mar. 2024

  Seminar on Optical Materials Science C

  2121, Spring, Graduate School of Science, 2
• From 01 Apr. 2022, To 31 Mar. 2023

  Seminar on Semiconductor Nanostructures and Photonics D

  2074, Fall, Graduate School of Science, 2
• From 01 Apr. 2022, To 31 Mar. 2023

  Seminar on Semiconductor Nanostructures and Photonics B

  2072, Fall, Graduate School of Science, 2
• From 01 Apr. 2022, To 31 Mar. 2023

  Seminar on Semiconductor Nanostructures and Photonics A

  2071, Spring, Graduate School of Science, 2
• From 01 Apr. 2022, To 31 Mar. 2023

  Seminar on Semiconductor Nanostructures and Photonics C

  2073, Spring, Graduate School of Science, 2

Administration

Faculty management (title, position)

• From 01 Apr. 2022, To 31 Mar. 2023

  化学研究所広報委員会委員