We have performed pump-probe (P-P) simultaneously with time-integrated-FWM as a function of the energy of excitation and the excitation intensity. This shows that the tendency of the quantum beats, as revealed in the previous study, are the same both in P-P and FWM but the change of trace in the negative delays in P-P is markedly different from that in FWM. The P-P signals both at below-gap excitation and at the low intensity excitation show another oscillatory behavior distinct from the A-B exciton beats.


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    Titel :

    Femtosecond coherent and incoherent spectroscopies on GaN


    Beteiligte:
    Jho, Y.D. (Autor:in) / Kim, D.S. (Autor:in) / Fischer, A.J. (Autor:in) / Song, J.J. (Autor:in) / Kenrow, J. (Autor:in) / El Sayed, K. (Autor:in) / Stanton, C.J. (Autor:in)


    Erscheinungsdatum :

    01.01.1999


    Format / Umfang :

    81423 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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