Mixed biexcitons in single quantum wells

Hans Peter Wagner, Wolfgang Werner Langbein, Jørn Märcher Hvam

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    Abstract

    Biexcitonic complexes in a ZnSe single quantum well are investigated by spectrally resolved four-wave mixing (FWM). The formation of heavy-heavy-hole XXh and of mixed heavy-light-hole XXm biexcitons showing binding energies of Delta(h) = 4.8 meV and Delta(m)= 2.8 meV is identified by polarization selection rules. The coherent dynamics of the FWM response and the observed FWM intensity ratio between the XXh and XXm biexciton-induced nonlinear signals are in agreement with the solution of an extended optical Bloch equation.
    Original languageEnglish
    JournalPhysical Review B
    Volume59
    Issue number7
    Pages (from-to)4584-4587
    ISSN2469-9950
    DOIs
    Publication statusPublished - 1999

    Bibliographical note

    Copyright (1999) by the American Physical Society.

    Keywords

    • EXCITATION
    • GAAS
    • MOLECULES
    • EXCITON BINDING-ENERGIES
    • COHERENCE
    • STIMULATED-EMISSION
    • NONLINEAR-OPTICAL RESPONSE

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