We investigate the dynamics of ballistic charge currents, optically-injected into GaAs by quantum interference of 1550 and 775 nm, 150 fs pulses. Space-charge induced transport and ambipolar diffusion successively define the relaxation dynamics on a 500 fs-20 ps timescale.


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    Title :

    Femtosecond dynamics of ballistic charge current gratings in GaAs


    Contributors:
    Kerachian, Y. (author) / Marsden, P.A. (author) / Najmaie, A. (author) / Sipe, J.E. (author) / van Driel, H.M. (author) / Smirl, A.L. (author)


    Publication date :

    2005-01-01


    Size :

    1075969 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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