• DocumentCode
    2783792
  • Title

    All-optical generation and detection of coherent acoustic phonons in GaN single crystals

  • Author

    Wu, Shuai ; Geiser, P. ; Jun, J. ; Karpinski, J. ; Sobolewski, Roman

  • Author_Institution
    Department of Physics and Astronomy and the Laboratory for Laser Energetics, University of Rochester, NY 14627, USA
  • fYear
    2007
  • fDate
    6-11 May 2007
  • Firstpage
    1
  • Lastpage
    2
  • Abstract
    We report experimental and theoretical studies on time-resolved generation and detection of coherent acoustic phonons in bulk GaN single crystals with an ultrafast two-color pump-probe technique. Optically-induced electronic stress is responsible for the phonon generation.
  • Keywords
    Acoustic signal detection; Gallium nitride; Optical films; Optical modulation; Optical pulse generation; Optical pumping; Optical refraction; Phonons; Photonic band gap; Probes;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Quantum Electronics and Laser Science Conference, 2007. QELS '07
  • Conference_Location
    Baltimore, MD, USA
  • Print_ISBN
    978-1-55752-834-6
  • Type

    conf

  • DOI
    10.1109/QELS.2007.4431102
  • Filename
    4431102
    • Link To Document
    https://search.isc.ac/dl/search/defaultta.aspx?DTC=49&DC=2783792