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  • Modeling of optical detection of spin-polarized carrier injection into light-emitting devices

    Author(s)
    de Oliveira, M.
    Sun, He
    Griffith University Author(s)
    Sun, He-Bi
    Year published
    2004
    Metadata
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    Abstract
    We investigate the emission of multimodal polarized light from light emitting devices due to spin-aligned carrier injection. The results are derived through operator Langevin equations, which include thermal and carrier-injection fluctuations, as well as nonradiative recombination and electronic g-factor temperature dependence. We study the dynamics of the optoelectronic processes and show how the temperature-dependent g factor and magnetic field affect the degree of polarization of the emitted light. In addition, at high temperatures, thermal fluctuation reduces the efficiency of the optoelectronic detection method for ...
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    We investigate the emission of multimodal polarized light from light emitting devices due to spin-aligned carrier injection. The results are derived through operator Langevin equations, which include thermal and carrier-injection fluctuations, as well as nonradiative recombination and electronic g-factor temperature dependence. We study the dynamics of the optoelectronic processes and show how the temperature-dependent g factor and magnetic field affect the degree of polarization of the emitted light. In addition, at high temperatures, thermal fluctuation reduces the efficiency of the optoelectronic detection method for measuring the degree of spin polarization of carrier injection into nonmagnetic semicondutors.
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    Journal Title
    Physical Review B: Condensed Matter and Materials Physics
    Volume
    69
    Issue
    8
    DOI
    https://doi.org/10.1103/PhysRevB.69.085322
    Subject
    Physical Sciences
    Chemical Sciences
    Engineering
    Publication URI
    http://hdl.handle.net/10072/21468
    Collection
    • Journal articles

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