Rchr
J-GLOBAL ID:201801004457704767   Update date: Feb. 09, 2024

Yoshikawa Naotaka

Yoshikawa Naotaka
Affiliation and department:
Research field  (2): Magnetism, superconductivity, and strongly correlated systems ,  Semiconductors, optical and atomic physics
Research theme for competitive and other funds  (4):
  • 2021 - 2023 高強度テラヘルツ波による遷移金属ダイカルコゲナイドの秩序変数操作と動的電子相制御
  • 2019 - 2021 中赤外光・テラヘルツ光を用いた鉄系超伝導体の光誘起超伝導の研究
  • 2018 - 2020 高強度中赤外光・テラヘルツ光を用いた競合秩序抑制による超伝導増強の研究
  • 2016 - 2018 テラヘルツ光を用いた単層2次元半導体におけるバレー分極の制御
Papers (20):
  • Yoshua Hirai, Shun Okumura, Naotaka Yoshikawa, Takashi Oka, Ryo Shimano. Floquet Weyl states at one-photon resonance: An origin of nonperturbative optical responses in three-dimensional materials. Physical Review Research. 2024
  • Kazuma Ogawa, Naotaka Yoshikawa, Mio Ishibashi, Kay Yakushiji, Arata Tsukamoto, Masamitsu Hayashi, Ryo Shimano. Ultrafast stroboscopic time-resolved magneto-optical imaging of domain wall motion in Pt/GdFeCo wires induced by a current pulse. Physical Review Research. 2023. 5. 3
  • Takuya Matsuda, Tomoya Higo, Takashi Koretsune, Natsuki Kanda, Yoshua Hirai, Hanyi Peng, Takumi Matsuo, Naotaka Yoshikawa, Ryo Shimano, Satoru Nakatsuji, et al. Ultrafast Dynamics of Intrinsic Anomalous Hall Effect in the Topological Antiferromagnet Mn3Sn. Physical Review Letters. 2023. 130. 12
  • Naotaka Yoshikawa, Kazuma Ogawa, Yoshua Hirai, Kohei Fujiwara, Junya Ikeda, Atsushi Tsukazaki, Ryo Shimano. Non-volatile chirality switching by all-optical magnetization reversal in ferromagnetic Weyl semimetal Co3Sn2S2. Communications Physics. 2022. 5. 1. 328-1-328-9
  • Takuya Matsuda, Tomoya Higo, Takashi Koretsune, Natsuki Kanda, Yoshua Hirai, Hanyi Peng, Takumi Matsuo, Naotaka Yoshikawa, Ryo Shimano, Satoru Nakatsuji, et al. Ultrafast Dynamics of Intrinsic Anomalous Hall Effect in the Noncollinear Antiferromagnet Mn3Sn. Materials Science. 2022. 1-14
more...
MISC (5):
  • Ryo Shimano, Naotaka Yoshikawa. Amplitude mode-driven ultrafast transition into a hidden state in a thin film of transition metal dichalcogenide. Proceedings of SPIE - The International Society for Optical Engineering. 2022. 11999
  • Y. Hirai, N. Yoshikawa, H. Hirose, M. Kawaguchi, M. Hayashi, R. Shimano. Helicity-dependent terahertz-wave emission from the Dirac electrons in bismuth. Proceedings of SPIE - The International Society for Optical Engineering. 2022. 12205
  • Hiroaki Niwa, Naotaka Yoshikawa, Masashi Kawaguchi, Masamitsu Hayashi, Ryo Shimano. Generation of radially- And azimuthally-polarized terahertz cylindrical vector beams from spintronic terahertz emitter. 2021 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference, CLEO/Europe-EQEC 2021. 2021
  • Naotaka Yoshikawa, Ushio Narusaka, Kunio Nishizawa, Hideki Matsuoka, Yuki Tanaka, Masaki Nakano, Yoshihiro Iwasa, Ryo Shimano. Terahertz pulse-induced melting of charge density wave through the coherent excitation of amplitude mode in 3R-Ta1+xSe2. Optics InfoBase Conference Papers. 2021
  • Yoshikawa Naotaka, Murate Kosuke, Shiraga Keiichiro, Ogawa Yuichi, Kawase Kodo, Tanaka Koichiro. 22aCP-3 Terahertz Nonlinear Spectroscopy of Solids Using Injection-Seeded Terahertz-Wave Parametric Generator. Meeting Abstracts of the Physical Society of Japan. 2015. 70. 0. 1493-1493
Lectures and oral presentations  (43):
  • Terahertz third-harmonic generation in photo-excited iron-based superconductor FeSe<sub>0.5</sub>Te<sub>0.5</sub>
    (日本物理学会講演概要集(CD-ROM) 2020)
  • Photoinduced superconductivity enhancement in iron-based superconductor FeSe<sub>0.5</sub>Te<sub>0.5</sub>
    (日本物理学会講演概要集(CD-ROM) 2020)
  • 中赤外光ポンプ-THz波プローブ分光法で見るFeSe薄膜の非平衡キャリアダイナミクス
    (日本物理学会講演概要集(CD-ROM) 2019)
  • マルチバンド超伝導体FeSe<sub>0.5</sub>Te<sub>0.5</sub>薄膜におけるヒッグスモード
    (日本物理学会講演概要集(CD-ROM) 2019)
  • FeSe薄膜のテラヘルツ磁気光学分光
    (日本物理学会講演概要集(CD-ROM) 2019)
more...
Education (3):
  • 2014 - 2017 Kyoto University Graduate School of Science Division of Physics and Astronomy
  • 2012 - 2014 Kyoto University Graduate School of Science Division of Physics and Astronomy
  • 2008 - 2012 Kyoto University Faculty of Science
Professional career (1):
  • 博士(理学) (京都大学)
Work history (3):
  • 2018/01 - 現在 The University of Tokyo Graduate School of Science, Department of Physics
  • 2017/10 - 2017/12 Kyoto University Graduate School of Science, Division of Physics and Astronomy
  • 2016/04 - 2017/09 京都大学, 大学院理学研究科 物理学・宇宙物理学専攻, 日本学術振興会特別研究員DC2
Committee career (1):
  • 2022/04 - 2023/03 日本物理学会 領域5 運営委員
Awards (3):
  • 2023/03 - Young Scientist Award of the Physical Society of Japan
  • 2019/12 - 公益財団法人井上科学振興財団 井上研究奨励賞
  • 第1回日本物理学会領域5学生ポスター優秀賞(国際光年記念ポスター賞) 単層MoS2における共鳴ラマン散乱の偏光選択則
Association Membership(s) (1):
THE PHYSICAL SOCIETY OF JAPAN
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