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

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

Research output: Contribution to journalArticlepeer-review

10 Scopus citations

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.

Original languageBritish English
Article number085404
JournalPhysical Review B
Volume93
Issue number8
DOIs
StatePublished - 2 Feb 2016

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