Photonic Spin Hall Effect: Contribution of Polarization Mixing Caused by Anisotropy

Maxim Mazanov, Oleh Yermakov, Ilya Deriy, Osamu Takayama, Andrey Bogdanov, Andrei V. Lavrinenko

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    Abstract

    Spin-orbital interaction of light attracts much attention in nanophotonics opening new horizons for modern optical systems and devices. The photonic spin Hall effect or Imbert-Fedorov shift takes a special place among the variety of spin-orbital interaction phenomena. It exhibits as a polarization-dependent transverse light shift usually observed in specular scattering of light at interfaces with anisotropic materials. Nevertheless, the effect of the polarization mixing caused by anisotropy on the Imbert-Fedorov shift is commonly underestimated. In this work, we demonstrate that polarization mixing contribution cannot be ignored for a broad range of optical systems. In particular, we show the dominant influence of the mixing term over the standard one for the polarized optical beam incident at a quarter-wave plate within the paraxial approximation. Moreover, our study reveals a novel contribution with extraordinary polarization dependence not observable within the simplified approach. We believe that these results advance the understanding of photonic spin Hall effect and open new opportunities for spin-dependent optical phenomena.
    Original languageEnglish
    JournalQuantum Reports
    Volume2
    Issue number4
    Pages (from-to)489-500
    ISSN2624-960x
    DOIs
    Publication statusPublished - 2020

    Keywords

    • Photonic spin Hall effect
    • Imbert-Fedorov shift
    • Polarization mixing
    • Anisotropy
    • Quarter-wave plate
    • Gaussian beam

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