• DocumentCode
    444171
  • Title

    Carrier dynamics in self-assembled ErAs nanoislands measured by optical-pump THz-probe spectroscopy

  • Author

    Prasankumar, R.P. ; Scopatz, A. ; Hilton, D.J. ; Taylor, A.J. ; Averitt, R.D. ; Zide, J.M. ; Gossard, A.C.

  • Author_Institution
    Condensed Matter & Thermal Phys., Los Alamos Nat. Lab., NM, USA
  • Volume
    1
  • fYear
    2005
  • fDate
    22-27 May 2005
  • Firstpage
    446
  • Abstract
    We use optical-pump THz-probe spectroscopy to study carrier dynamics in self-assembled ErAs:GaAs nanoislands. Sub-picosecond carrier capture times are measured, indicating the potential of these devices as THz detectors comparable to low temperature grown GaAs.
  • Keywords
    III-V semiconductors; erbium compounds; gallium arsenide; high-frequency effects; island structure; nanostructured materials; self-assembly; semiconductor superlattices; submillimetre wave spectra; ErAs; ErAs-GaAs; GaAs; THz detectors; carrier dynamics; optical-pump THz-probe spectroscopy; self-assembled ErAs:GaAs nanoislands; subpicosecond carrier capture; temperature grown GaAs; Gallium arsenide; Optical devices; Optical pumping; Optical superlattices; Photoconductivity; Self-assembly; Semiconductor superlattices; Spectroscopy; Temperature; Ultrafast optics;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Quantum Electronics and Laser Science Conference, 2005. QELS '05
  • Print_ISBN
    1-55752-796-2
  • Type

    conf

  • DOI
    10.1109/QELS.2005.1548811
  • Filename
    1548811
    • Link To Document
    https://search.isc.ac/dl/search/defaultta.aspx?DTC=49&DC=444171