• DocumentCode
    3725976
  • Title

    Ultrafast mid-infrared investigations on the surface Dirac fermions with topological phase transition

  • Author

    Jun Park;Sangwan Sim;Nikesh Koirala;Matthew Brahlek;Seongshik Oh;Hyunyong Choi

  • Author_Institution
    School of Electrical and Electronic Engineering, Yonsei University, Seoul 120-749, Korea
  • Volume
    2
  • fYear
    2015
  • Firstpage
    1
  • Lastpage
    2
  • Abstract
    We present ultrafast optical studies of the Dirac surface dynamics in a topological insulator Bi2Se3 via optical pump mid-infrared probe spectroscopy. We observed largely enhanced carrier relaxation when the topological-phase transition takes place.
  • Publisher
    ieee
  • Conference_Titel
    Lasers and Electro-Optics Pacific Rim (CLEO-PR), 2015 11th Conference on
  • Type

    conf

  • DOI
    10.1109/CLEOPR.2015.7375968
  • Filename
    7375968
    • Link To Document
    https://search.isc.ac/dl/search/defaultta.aspx?DTC=49&DC=3725976