Messanae Universitas Studiorum

Spectroscopy of four-particle correlations in semiconductor microcavities

Savasta, Salvatore and Di Stefano, Omar and Girlanda, Raffaello (2001) Spectroscopy of four-particle correlations in semiconductor microcavities. Physical review B, 64 (7). pp. 1-4. ISSN 0163-1829

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    We present a theory of ultrafast time-resolved pump and probe spectroscopy in semiconductor microcavities. The numerical solutions are in excellent agreement with experimental data. An analytical study based on the Weisskopf-Wigner approximation gives physical insight into the transient optical nonlinearities of semiconductor microcavites. It is able to explain the physical origin of the unusual transient shifts and asymmetricexcitation-induced dephasing observed experimentally. this theory demonstrates that the nonperturbative regime provides a unique tool for measuring the spectrum of four-particle correlations.

    Item Type: Article
    Subjects: M.U.S. - Contributi Scientifici > 02 - Scienze fisiche
    Divisions: UNSPECIFIED
    Depositing User: Stage ICCU
    Date Deposited: 31 May 2005
    Last Modified: 13 Apr 2010 13:20

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