Kinetics of dark excitons and excitonic trions in InGaAs single quantum well

V. B. Timofeev*, A. V. Larionov, J. Zeman, G. Martinez, V. I. Falko, M. Bayer, A. Forchel

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    Abstract

    Magnetooptical studies performed on a wide InGaAs/GaAs single quantum well indicate that optically non-active (dark) excitons with total angular momentum M = ± 2 play the role of a reservoir for the creation of free multiparticle excitonic complexes. After analyzing the magnetic field evolution of the circularly polarized components of the low energy structure appearing in the main excitonic luminescence line we assign this feature to the excitonic trion formation. The binding energy of the excitonic trions was estimated to be of the order of 1 meV.

    Original languageEnglish
    Pages (from-to)39-43
    Number of pages5
    JournalEuropean Physical Journal B
    Volume4
    Issue number1
    Publication statusPublished - 1998

    Keywords

    • 71.35.-y Excitons and related phenomena
    • 78.66.-w Optical properties of specific thin films: surfaces, and low-dimensional structures: superlattices, quantum well structures, multilayers, and microparticles
    • 78.66.Fd III-V semiconductors

    Research Beacons, Institutes and Platforms

    • National Graphene Institute

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