HASEGAWA Takayuki

写真a

Title

Assistant Professor

Research Fields, Keywords

Solid State Photophysics, Ultrafast Optical Phenomena, semiconductors

Homepage URL

https://www.oit.ac.jp/ge/~hasegawa/index_eng.html

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Graduating School 【 display / non-display 】

  • Konan University   Faculty of Science   Department of Applied Physics   JAPAN

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Graduate School 【 display / non-display 】

  • Osaka City University  Graduate School, Division of Engineering  Department of Applied Physics  Master's Course  Completed  JAPAN

  • Osaka City University  Graduate School, Division of Engineering  Department of Applied Physics  Doctor's Course  Completed  JAPAN

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Degree 【 display / non-display 】

  • Osaka City University -  Ph.D. in Engineering  Condensed matter physics I

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Association Memberships 【 display / non-display 】

  • 2004.12
    -
    Now
     

    The Physical Society of Japan  JAPAN

  • 2007.11
    -
    Now
     

    The Japan Society of Applied Physics  JAPAN

  • 2023.02
    -
    Now
     

    The Japan Society of Infrared Science and Technology  JAPAN

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Committee Memberships 【 display / non-display 】

  • 2023.04
    -
    Now

     

  • 2021.10
    -
    Now

     

  • 2012.04
    -
    2014.03

     

  • 2012.04
    -
    2013.03

     

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Research field 【 display / non-display 】

  • Nanostructural physics

  • Condensed matter physics I

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Qualification acquired 【 display / non-display 】

  • First Kind of High School Teacher License

  • Librarian

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Papers 【 display / non-display 】

  • Coexistence of quantum beat dynamics under applied electric fields in a semiconductor superlattice

    T. Hasegawa  ( Single Author )

        2023.03

    Research paper (research society, symposium materials, etc.)  Japanese

  • Quantum beat of heavy-hole and light-hole excitons originating from interband Stark-ladder transitions in a biased GaAs/AlAs superlattice

    Takayuki Hasegawa  ( Single Author )

    Applied Physics Express   16 ( 2 ) 021007-1 - 021007-4   2023.02

    Research paper (scientific journal)  English

    DOI

  • Control of electric field screening effects induced by photogenerated carriers for studies on ultrafast transient phenomena

    Takayuki Hasegawa and Osamu Kojima  ( Multiple Authorship )

    Journal of the Japan Society of Infraed Science and Technology   32 ( 2 ) 52 - 57   2023.02

    Research paper (scientific journal)  Japanese

  • Sensing of Nitrate Ions Using Graphene-Extended Gate Field-Effect Transistor

    Koki Kato, Kento Mimura, Masato Nishiwaki, Takayuki Hasegawa, Nobuya Hiroshiba, Kazuto Koike, Toshihiko Maemoto, and Akira Fujimoto  ( Multiple Authorship )

    Abstract in the 13th International Conference on Nano-Molecular Electronics     2022.12

    Research paper (research society, symposium materials, etc.)  English

  • Pump power dependence of terahertz wave emission in InP single crystals

    T. Hasegawa, K. Masuda, A. Fujimoto, M. Koyama, and S. Sasa  ( Multiple Authorship )

        2022.09

    Research paper (research society, symposium materials, etc.)  Japanese

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Review Papers 【 display / non-display 】

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Presentations 【 display / non-display 】

  • Coexistence of quantum beat dynamics under applied electric fields in a semiconductor superlattice

    Takayuki Hasegawa

    Internal meeting  The 70th JSAP Spring Meeting 2023  Oral Presentation(general)

    2023.03
    　
    　

  • Sensing of Nitrate Ions Using Graphene-Extended Gate Field-Effect Transistor

    Koki Kato, Kento Mimura, Masato Nishiwaki, Takayuki Hasegawa, Nobuya Hiroshiba, Kazuto Koike, Toshihiko Maemoto, and Akira Fujimoto

    International conference  the 13th International Conference on Nano-Molecular Electronics (ICNME2022)  ( Tokyo Institute of Technology, Japan )  Poster (general)

    2022.12
    　
    　

  • Pump power dependence of terahertz wave emission in InP single crystals

    Internal meeting  The 83rd JSAP Autumn Meeting 2022  Poster (general)

    2022.09
    　
    　

  • Study for enhanced THz radiation using InGaSb/InAs heterostructures

    Yoshiyuki Takagi, Takayuki Hasegawa, Masatoshi Koyama, Toshihiko Maemoto, and Shigehiko Sasa

    International conference  14th Topical Workshop on Heterostructure Microelectronics (TWHM2022)  ( Hiroshima, Japan )  Poster (general)

    2022.08
    -
    2022.09

  • Characteristics of the terahertz wave emission of ultrafast transient phenomena excited by optical pulse pairs

    Takayuki Hasegawa, Osamu Kojima, and DaeGwi Kim

    Internal meeting  The 69th JSAP Spring Meeting 2022  Oral Presentation(general)

    2022.03
    　
    　

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