Spin currents of exciton polaritons in microcavities with (110)-oriented quantum wells

V. Shahnazaryan, S. Morina, S. A. Tarasenko, I. A. Shelykh

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2 Citations (Scopus)

Abstract

We study the polarization optical properties of microcavities with embedded (110)-oriented quantum wells. The spin dynamics of exciton polaritons in such structures is governed by the interplay of the spin-orbit splitting of exciton states, which is odd in the in-plane momentum, and the longitudinal-transverse splitting of cavity modes, which is even in the momentum. We demonstrate the generation of polariton spin currents by a linearly polarized optical pump and analyze the arising polariton spin textures in the cavity plane. By tuning of the excitation spot size, which controls the polariton distribution in the momentum space, one obtains symmetric or asymmetric spin textures.

Original languageEnglish
Article number155305
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume92
Issue number15
DOIs
Publication statusPublished - 8 Oct 2015

Bibliographical note

Publisher Copyright:
© 2015 American Physical Society. ©2015 American Physical Society.

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