Three-beam four-wave mixing shows anti-correlated scattering of HH and LH excitons in GaAs/AlGaAs quantum wells, suggesting that exciton-phonon scattering dominates the exciton dephasing. The correlation increases at higher excitation densities.


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    Title :

    Dephasing of the LH-HH exciton Raman coherence in GaAs quantum wells: distinguishing between phonon and carrier scattering


    Contributors:

    Published in:

    Publication date :

    2005-01-01


    Size :

    661420 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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