• DocumentCode
    2682227
  • Title

    Observation of coherent optical phonons in GaAs/AlxGa1-xAs single heterojunctions

  • Author

    Chang, Y.-M. ; Chang, N.-A. ; Chang, Y.-H.

  • Author_Institution
    Dept. of Phys., Nat. Taiwan Univ., Taipei, Taiwan
  • Volume
    2
  • fYear
    2003
  • fDate
    15-19 Dec. 2003
  • Abstract
    Time-resolved second-harmonic generation was used to generate and detect coherent LO phonons in semiconductor heterojunctions. Three coherent LOGaAs, LOGaAs-like, and LOAlAs-like phonons were launched by transiently screening the depletion field in the GaAs/AlxGa1-x interfacial region.
  • Keywords
    III-V semiconductors; aluminium compounds; gallium arsenide; high-speed optical techniques; optical harmonic generation; phonons; semiconductor heterojunctions; time resolved spectroscopy; GaAs-AlxGa1-xAs; GaAs/AlxGa1-x interfacial region; GaAs/AlxGa1-xAs single heterojunctions; LOAlAs-like phonons; LOGaAs-like phonons; LOGaAs phonons; coherent LO phonons; coherent optical phonons; coherent phonon spectroscopy; depletion field; semiconductor heterojunctions; time-resolved second-harmonic generation; Carrier confinement; Curve fitting; Gallium arsenide; Heterojunctions; Optical pumping; Phonons; Plasma confinement; Plasma measurements; Raman scattering; Spectroscopy;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Lasers and Electro-Optics, 2003. CLEO/Pacific Rim 2003. The 5th Pacific Rim Conference on
  • Print_ISBN
    0-7803-7766-4
  • Type

    conf

  • DOI
    10.1109/CLEOPR.2003.1277093
  • Filename
    1277093
    • Link To Document
    https://search.isc.ac/dl/search/defaultta.aspx?DTC=49&DC=2682227