Sökning: "dynamic nuclear polarization"

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  1. 1. Magneto-optical studies of optical spin injection in InAs quantum dot structures

    Master-uppsats, Funktionella elektroniska material; Tekniska högskolan

    Författare :Wang Po-Hsiang; [2012]
    Nyckelord :optical spin injection; optical orientation spectroscopy; magnetic field; Landau level; hyperfine interaction; dynamic nuclear polarization; InAs GaAs quantum dots;

    Sammanfattning : Optical spin injection in InAs/GaAs quantum dots (QDs) structures under cryogenic temperature has been investigated in this work using continuous-wave optical orientation spectroscopy. Circularly polarized luminescence from trions in the QDs was used as a measure for the degree of spin polarization of the carriers in the QD ground states. LÄS MER