We theoretically and experimentally investigate the lateral mode behavior of quantum-dot lasers, and demonstrate the absence of filamentation up to 10/spl times/ threshold. The negative linewidth enhancement factor necessary for filamentation in highly-excited quantum dot lasers originates from the Coulomb coupling between quantum-dot and quantum-well states.


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    Titel :

    Absence of filamentation in quantum-dot lasers. Theory and experiment


    Beteiligte:
    Chow, W.W. (Autor:in) / Schneider, H.C. (Autor:in) / Pearce, E.J. (Autor:in) / Smowton, P.M. (Autor:in)


    Erscheinungsdatum :

    01.01.2002


    Format / Umfang :

    88351 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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