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

Graduating School 【 display / non-display

  • Konan University   Faculty of Science   Department of Applied Physics   JAPAN

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

Degree 【 display / non-display

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

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

Committee Memberships 【 display / non-display

  • 2023.04
    -
    Now

     

  • 2021.10
    -
    Now

     

  • 2012.04
    -
    2014.03

     

  • 2012.04
    -
    2013.03

     

Research field 【 display / non-display

  • Nanostructural physics

  • Condensed matter physics I

Qualification acquired 【 display / non-display

  • First Kind of High School Teacher License

  • Librarian

 

Papers 【 display / non-display

  • Frequency-tunable terahertz wave radiation in bulk InP

    Takayuki Hasegawa, Kaisei Masuda, Akira Fujimoto, Yoshiyuki Harada, Masatoshi Koyama, Toshihiko Maemoto  ( Multiple Authorship )

      33   30 - 31   2024.10

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

  • Terahertz wave radiation from plasmon excited by ultrashort optical pulse pair

    T. Hasegawa and O. Kojima  ( Multiple Authorship )

        2024.09

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

  • A Study of Device and Fabrication Process of Graphene/MoS2 Hetero Junction Field Effect Transistor

    Kento Mimura, Takayuki Hasegawa, Yoshiyuki Harada, Masatoshi Koyama, Toshihiko Maemoto, Akira Fujimoto  ( Multiple Authorship )

        2024.09

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

  • Effects of electric field screening induced by photogenerated carriers on terahertz wave measurement in a GaAs epitaxial structure

    Takayuki Hasegawa and Osamu Kojima  ( Multiple Authorship )

    Applied Physics Express   17   051006-1 - 051006-4   2024.05

    Research paper (scientific journal)  English

    DOI

  • Electric field modulated terahertz wave measurements based on the phenomenon of electric field screening originating from photogenerated carriers

    T. Hasegawa, O. Kojima, and D. Kim  ( Multiple Authorship )

        2024.03

    Research paper (other science council materials etc.)  Japanese

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Review Papers 【 display / non-display

Presentations 【 display / non-display

  • Terahertz wave radiation from plasmon excited by ultrashort optical pulse pair

    T. Hasegawa and O. Kojima

    Internal meeting  Oral Presentation(general)

    2024.09
     
     

  • A Study of Device and Fabrication Process of Graphene/MoS2 Hetero Junction Field Effect Transistor

    Kento Mimura, Takayuki Hasegawa, Yoshiyuki Harada, Masatoshi Koyama, Toshihiko Maemoto, Akira Fujimoto

    Internal meeting  Poster (general)

    2024.09
     
     

  • Electric field modulated terahertz wave measurements based on the phenomenon of electric field screening originating from photogenerated carriers

    T. Hasegawa, O. Kojima, and D. Kim

    Internal meeting  Oral Presentation(general)

    2024.03
     
     

  • Effects of surface electric field modulation on terahertz wave radiation from a semiconductor crystal

    Takayuki Hasegawa and Osamu Kojima

    Internal meeting  Poster (general)

    2023.12
     
     

  • Electric field modulation measurements of terahertz radiation from a semiconductor crystal

    T. Hasegawa and O. Kojima

    Internal meeting  Poster (general)

    2023.11
     
     

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