We determined the femtosecond nonlinear phase and amplitude spectra in GaAs/AlGaAs quantum wells using a polarization-division Sagnac interferometer. The nonlinear dispersion around the excitonic resonance can be explained by ultrafast neutralization of the built-in field.


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    Title :

    Femtosecond nonlinear phase dispersion of GaAs/AlGaAs quantum wells


    Contributors:
    Misawa, K. (author) / Inuzuka, F. (author) / Nishi, K. (author) / Lang, R. (author)


    Publication date :

    2004-01-01


    Size :

    113458 byte



    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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