Basic Information

Faculty

• Faculty of Science

Professional Memberships

• THE JAPAN SOCIETY OF APPLIED PHYSICS
• THE PHYSICAL SOCIETY OF JAPAN

Academic Degree

• 修士（理学）(京都大学)
• 博士（理学）(京都大学)

Research History

• Kyoto University

ID,URL

• ORCID ID

  0000-0002-8932-6140

• J-Global ID

  201801000835019088

researchmap URL

• https://researchmap.jp/st_fl_phys

Research

Research Areas

• Natural sciences, Semiconductors, optical and atomic physics, solid state spectroscopy

Papers

• High harmonic Mach–Zehnder interferometer for probing sub-laser-cycle electron dynamics in solids

  K. Uchida; K. Tanaka

  Optica, 13 Aug. 2024, Peer-reviewed, Lead author, Corresponding author

  
• Ultrafast Electron-Electron Scattering in Metallic Phase of 2H-NbSe2 Probed by High Harmonic Generation

  K. S. Takeda; K. Uchida; K. Nagai; S. Kusaba; S. Takahashi; K. Tanaka

  Physical Review Letters, 01 May 2024, Peer-reviewed, Corresponding author

  
• Time-resolved observation of dynamical Franz-Keldysh effect under coherent multi-cycle terahertz pulses

  H. Hirori; K. Uchida; K. Tanaka; T. Otobe; T. Mochizuki; C. Kim; M. Yoshita; H. Akiyama; L. N. Pfeiffer; K. W. West

  Optics InfoBase Conference Papers, 2015

  
• High-harmonic generation in monolayer WSe2under photo-carrier doping

  Kohei Nagai; Kento Uchida; Satoshi Kusaba; Takahiko Endo; Yasumitsu Miyata; Koichiro Tanaka

  2021 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference, CLEO/Europe-EQEC 2021, 01 Jun. 2021

  
• Photo-carrier doping effect on high-order harmonic generation in monolayer WSe

  Kohei Nagai; Kento Uchida; Satoshi Kusaba; Takahiko Endo; Yasumitsu Miyata; Koichiro Tanaka

  International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz, 08 Nov. 2020

  
• Effect of incoherent electron-hole pairs on high harmonic generation in an atomically thin semiconductor

  Kohei Nagai; Kento Uchida; Satoshi Kusaba; Takahiko Endo; Yasumitsu Miyata; Koichiro Tanaka

  Physical Review Research, 07 Nov. 2023

  
• Influence of Laser Intensity and Location of the Fermi Level on Tunneling Processes for High-Harmonic Generation in Arrayed Semiconducting Carbon Nanotubes

  Hiroyuki Nishidome; Mikito Omoto; Kohei Nagai; Kento Uchida; Yuta Murakami; Junko Eda; Hitomi Okubo; Kan Ueji; Yohei Yomogida; Junichiro Kono; Koichiro Tanaka; Kazuhiro Yanagi

  ACS Photonics, 27 Nov. 2023

  
• Diabatic and adiabatic transitions between Floquet states imprinted in coherent exciton emission in monolayer WSe ₂

  Kento Uchida; Satoshi Kusaba; Kohei Nagai; Tatsuhiko N. Ikeda; Koichiro Tanaka

  Science Advances, 21 Dec. 2022, Peer-reviewed, Lead author, Corresponding author

  Access this paper :

  
• Anomalous Temperature Dependence of High-Harmonic Generation in Mott Insulators

  Yuta Murakami; Kento Uchida; Akihisa Koga; Koichiro Tanaka; Philipp Werner

  Physical Review Letters, 03 Oct. 2022, Peer-reviewed

  
• Excitation polarization-independent photo-induced restoration of inversion symmetry in Td-WTe₂

  Ryota Aoki; Kento Uchida; Koichiro Tanaka

  AIP Advances, 01 Apr. 2022, Peer-reviewed, Corresponding author

  Access this paper :

  
• High-Order Harmonic Generation and Its Unconventional Scaling Law in the Mott-Insulating Ca2RuO4

  K. Uchida; G. Mattoni; S. Yonezawa; F. Nakamura; Y. Maeno; K. Tanaka

  Physical Review Letters, 23 Mar. 2022, Peer-reviewed, Lead author, Corresponding author

  Access this paper :

  
• Visualization of two-dimensional transition dipole moment texture in momentum space using high-harmonic generation spectroscopy

  K. Uchida; V. Pareek; K. Nagai; K. M. Dani; K. Tanaka

  Physical Review B, 20 Apr. 2021, Peer-reviewed, Lead author, Corresponding author

  
• Dynamical symmetry of strongly light-driven electronic system in crystalline solids

  Kohei Nagai; Kento Uchida; Naotaka Yoshikawa; Takahiko Endo; Yasumitsu Miyata; Koichiro Tanaka

  Communications Physics, Dec. 2020, Peer-reviewed

  Access this paper :

  
• Control of High-Harmonic Generation by Tuning the Electronic Structure and Carrier Injection

  Hiroyuki Nishidome; Kohei Nagai; Kento Uchida; Yota Ichinose; Yohei Yomogida; Yasumitsu Miyata; Koichiro Tanaka; Kazuhiro Yanagi

  Nano Letters, 12 Aug. 2020, Peer-reviewed

  
• Inherent limit to coherent phonon generation under nonresonant light-field driving

  K. Uchida; K. Nagai; N. Yoshikawa; K. Tanaka

  Physical Review B, 03 Mar. 2020, Peer-reviewed, Lead author, Corresponding author

  
• Interband resonant high-harmonic generation by valley polarized electron–hole pairs

  Naotaka Yoshikawa; Kohei Nagai; Kento Uchida; Yuhei Takaguchi; Shogo Sasaki; Yasumitsu Miyata; Koichiro Tanaka

  Nature Communications, Dec. 2019, Peer-reviewed

  
• Coherent detection of THz-induced sideband emission from excitons in the nonperturbative regime

  K. Uchida; T. Otobe; T. Mochizuki; C. Kim; M. Yoshita; K. Tanaka; H. Akiyama; L. N. Pfeiffer; K. W. West; H. Hirori

  Physical Review B, 13 Apr. 2018, Peer-reviewed, Lead author

  
• Sub-cycle control of optical response by using a terahertz excitonic dressed state

  H. Hirori; K. Uchida; T. Otobe; T. Mochizuki; C. Kim; M. Yoshita; K. Tanaka; H. Akiyama; L. N. Pfeiffer; K. W. West

  Optics InfoBase Conference Papers, 2018, Peer-reviewed

  
• Subcycle Optical Response Caused by a Terahertz Dressed State with Phase-Locked Wave Functions

  K. Uchida; T. Otobe; T. Mochizuki; C. Kim; M. Yoshita; H. Akiyama; L. N. Pfeiffer; K. W. West; K. Tanaka; H. Hirori

  PHYSICAL REVIEW LETTERS, Dec. 2016, Peer-reviewed, Lead author

  Access this paper :

  
• Phase-sensitive observation of THz-dressed exciton

  K. Uchida; T. Otobe; T. Mochizuki; C. Kim; M. Yoshida; H. Akiyama; L. N. Pfeiffer; K. W. West; K. Tanaka; H. Hirori

  2016 41ST INTERNATIONAL CONFERENCE ON INFRARED, MILLIMETER, AND TERAHERTZ WAVES (IRMMW-THZ), 2016, Peer-reviewed

  
• Time-resolved observation of coherent excitonic nonlinear response with a table-top narrowband THz pulse wave

  K. Uchida; H. Hirori; T. Aoki; C. Wolpert; T. Tamaya; K. Tanaka; T. Mochizuki; C. Kim; M. Yoshita; H. Akiyama; L. N. Pfeiffer; K. W. West

  APPLIED PHYSICS LETTERS, Nov. 2015, Peer-reviewed, Lead author

  
• Time-resolved observation of excitonic dynamics under coherent terahertz excitation in GaAs quantum wells

  K. Uchida; H. Hirori; T. Aoki; C. Wolpert; K. Tanaka; T. Mochizuki; C. Kim; M. Yoshita; H. Akiyama; L. N. Pfeiffer; K. W. West

  ULTRAFAST PHENOMENA AND NANOPHOTONICS XIX, 2015, Peer-reviewed

  

Misc.

• Broad bandwidth up-conversion detection of mid-infrared light by periodically poled stoichiometric lithium tantalate

  Hojo Masayuki; Takahashi Takashi; Uchida Kento; Tani Shuntaro; Kobayashi Yohei; Tanaka Koichiro

  JSAP Annual Meetings Extended Abstracts, 26 Aug. 2020

  
• Measurement of Anisotropy in the Electronic States of Metallic Titanium using Optical Harmonics

  高階君佳; 内田健人; 田中耕一郎; 松永哲也; 松永哲也; 御手洗容子; 金島圭佑; 武田淳; 片山郁文

  応用物理学会春季学術講演会講演予稿集(CD-ROM), 2021

  
• Temperature dependence of high-order harmonic generation in Ca₂RuO₄

  内田健人; MATTONI Giordano; 成田秀樹; 米澤進吾; 中村文彦; 前野悦輝; 田中耕一郎

  日本物理学会講演概要集(CD-ROM), 2020

  
• 高強度THz電場による超格子(GeTe)₂/Sb₂Te₃の構造変化

  佐成晏之; 佐成晏之; 廣理英基; 廣理英基; 内田健人; 内田健人; 田中耕一郎; 田中耕一郎; 齊藤雄太; 齊藤雄太; 富永淳二; 富永淳二; 長谷宗明; 長谷宗明

  日本物理学会講演概要集(CD-ROM), 2017

  
• THz光ドレスト励起子を利用したサブサイクル光学変調

  内田健人; 内田健人; 乙部智仁; 望月敏光; KIM C; 吉田正裕; 秋山英文; PFEIFFER L. N; WEST K. W; 田中耕一郎; 田中耕一郎; 廣理英基; 廣理英基

  応用物理学会秋季学術講演会講演予稿集(CD-ROM), 01 Sep. 2016

  
• GaAs量子井戸中励起子からのTHzサイドバンド生成

  内田健人; 廣理英基; 乙部智仁; 田中耕一郎; 田中耕一郎; 望月敏光; 金昌秀; 吉田正裕; 秋山英文; PFEIFFER L. N; WEST K. W

  日本物理学会講演概要集(CD-ROM), 22 Mar. 2016

  
• Observation of time-dependent AC Stark effect between intraexcitonic states in GaAs Quantum Well

  Uchida K.; Hirori H.; Shinokita K.; Tanaka K.; Mochizuki T.; Kim C.; Yoshita M.; Akiyama H.; Pfeiffer L.N; West K.W.

  Meeting abstracts of the Physical Society of Japan, 26 Aug. 2013

  

External funds: Kakenhi

• High harmonic spectroscopy of non-equilibrium electron dynamics in phase change materials

  Grant-in-Aid for Early-Career Scientists

  Basic Section 13020:Semiconductors, optical properties of condensed matter and atomic physics-related

  Kyoto University

  Kento Uchida

  From 01 Apr. 2019, To 31 Mar. 2022, Project Closed

  高次高調波発生;非線形光学;超高速現象;極端非線形光学;光物性

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-19K14632/
• Ultrafast control of phase in strong correlated electronic system by intense mid-infrared light

  Grant-in-Aid for Research Activity Start-up

  0202:Condensed matter physics, plasma science, nuclear engineering, earth resources engineering, energy engineering, and related fields

  Kyoto University

  内田 健人

  From 24 Aug. 2018, To 31 Mar. 2020, Project Closed

  非線形光学;光物性;超高速現象;高強度中赤外光;光誘起相転移;強相関電子系

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-18H05850/
• High harmonic spectroscopy and ultrafast control of material using the polarization gating

  Grant-in-Aid for Scientific Research (C)

  Basic Section 13020:Semiconductors, optical properties of condensed matter and atomic physics-related

  Kyoto University

  内田 健人

  From 01 Apr. 2022, To 31 Mar. 2025, Granted

  高次高調波発生;極端非線形光学;超高速現象

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-22K03484/
• Characterization and understanding of mechanical properties using high-harmonics generation of infrared pulses

  Grant-in-Aid for Challenging Research (Pioneering)

  Medium-sized Section 30:Applied physics and engineering and related fields

  Yokohama National University

  片山 郁文

  From 30 Jun. 2022, To 31 Mar. 2025, Granted

  高次高調波;金属材料;軽金属;光学異方性;レーザー分光;超高速分光;構造材料;力学特性;結晶異方性

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-22K18322/
• Establishment of strong light field photoscience in solids and application to materials science

  Grant-in-Aid for Scientific Research (S)

  Broad Section D

  Kyoto University

  田中 耕一郎

  From 05 Jul. 2021, To 31 Mar. 2026, Granted

  高次高調波発生;高強度場物理;非線形光学;超高速現象;原子層薄膜;極端非線形光学;赤外非線形分光;原子層物質;強相関電子系

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-21H05017/
• Thermal-equilibrium quantum squeezing by superradiant phase transition: For its detection

  Grant-in-Aid for Challenging Research (Exploratory)

  Medium-sized Section 13:Condensed matter physics and related fields

  Yokohama National University

  馬場 基彰

  From 28 Jun. 2024, To 31 Mar. 2027, Granted

  量子スクイージング;超放射相転移;熱平衡;マグノン;磁性体

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-24K21526/

Education

Teaching subject(s)

• From 01 Apr. 2024, To 31 Mar. 2025

  Special study course II(Physical Science) Q2

  5211, Year-long, Faculty of Science, 12
• From 01 Apr. 2024, To 31 Mar. 2025

  Seminar on Optical Properties of Condensed Matter B

  2052, Fall, Graduate School of Science, 2
• From 01 Apr. 2024, To 31 Mar. 2025

  Seminar on Optical Properties of Condensed Matter A

  2051, Spring, Graduate School of Science, 2
• From 01 Apr. 2024, To 31 Mar. 2025

  Seminar on Optical Properties of Condensed Matter D

  2054, Fall, Graduate School of Science, 2
• From 01 Apr. 2024, To 31 Mar. 2025

  Seminar on Optical Properties of Condensed Matter C

  2053, Spring, Graduate School of Science, 2
• From 01 Apr. 2024, To 31 Mar. 2025

  Laboratory Work in Physics B2

  8269, Fall, Faculty of Science, 5
• From 01 Apr. 2024, To 31 Mar. 2025

  Laboratory Work in Physics B2

  8268, Spring, Faculty of Science, 5