Spin-dependent Klein tunneling in polariton graphene with photonic spin-orbit interaction

Dmitry Solnyshkov, Anton Nalitov, Berihu Teklu, Louis Franck, and Guillaume Malpuech
Phys. Rev. B 93, 085404 – Published 2 February 2016

Abstract

We study Klein tunneling in polariton graphene. We show that the photonic spin-orbit coupling associated with the energy splitting between TE and TM photonic modes can be described as an emergent gauge field. It suppresses the Klein tunneling in a small energy range close to the Dirac points. Thanks to polariton spin-anisotropic interactions, polarized optical pumping allows one to create potential barriers acting on a single polariton spin. We show that the resulting spin-dependent Klein tunneling can be used to create a perfectly transmitting polarization rotator operating at microscopic scale.

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  • Received 14 September 2015
  • Revised 25 November 2015

DOI:https://doi.org/10.1103/PhysRevB.93.085404

©2016 American Physical Society

Physics Subject Headings (PhySH)

Condensed Matter, Materials & Applied Physics

Authors & Affiliations

Dmitry Solnyshkov, Anton Nalitov, Berihu Teklu, Louis Franck*, and Guillaume Malpuech

  • Institut Pascal, PHOTON-N2, Université Clermont Auvergne, Blaise Pascal University, CNRS, 4 avenue Blaise Pascal, 63178 Aubière Cedex, France

  • *Currently at Laboratoire de Physique Corpusculaire, CNRS/IN2P3-UMR6533, 63178 Aubière Cedex, France.

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Issue

Vol. 93, Iss. 8 — 15 February 2016

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