Subpicosecond photoconductivity overshoot in gallium arsenide observed by electro-optic sampling

Kevin Meyer, Maurice Pessot, Gerard Mourou, Robert Grondin, Sleiman Chamoun

    Research output: Contribution to journalArticlepeer-review

    55 Scopus citations

    Abstract

    Electro-optic sampling of photoconductive transients on a subpicosecond time scale is used to study hot-carrier transport in GaAs. The results reported here are interpreted as direct time-domain observations of nonequilibrium transport on a subpicosecond time scale and they clearly show both an overshoot and bias-dependent delay at high excitation energy which are consistent with published Monte Carlo predictions.

    Original languageEnglish (US)
    Pages (from-to)2254-2256
    Number of pages3
    JournalApplied Physics Letters
    Volume53
    Issue number23
    DOIs
    StatePublished - 1988

    ASJC Scopus subject areas

    • Physics and Astronomy (miscellaneous)

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