Subpicosecond time-resolved Raman spectroscopy of LO phonons in GaAs-AlxGa1-xAs multiple-quantum-well structures

Kong-Thon Tsen, H. Morkoç

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Abstract

Time-resolved Raman spectra of GaAs-AlxGa1-xAs multiple-quantum-well structures have been measured with subpicosecond time resolution. The average electron LO-phonon scattering time for the electrons occupying the unbound states is resolved and found to be about 170 fs and is not affected appreciably by the well thickness.

Original languageEnglish (US)
Pages (from-to)5615-5616
Number of pages2
JournalPhysical Review B
Volume38
Issue number8
DOIs
StatePublished - Jan 1 1988

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ASJC Scopus subject areas

  • Condensed Matter Physics

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