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Dynamics of spin polarization in tilted polariton rings

  • S. Mukherjee
  • , V. K. Kozin
  • , A. V. Nalitov
  • , I. A. Shelykh
  • , Z. Sun
  • , D. M. Myers
  • , B. Ozden
  • , J. Beaumariage
  • , M. Steger
  • , L. N. Pfeiffer
  • , K. West
  • , D. W. Snoke
  • Department of Physics and Astronomy
  • University of Pittsburgh
  • University of Iceland
  • St. Petersburg National Research University of Information Technologies, Mechanics and Optics (ITMO)
  • University of Wolverhampton
  • Université Clermont Auvergne
  • Department of Physics and Engineering
  • Pennsylvania State University
  • National Renewable Energy Laboratory
  • Princeton University

Research output: Contribution to journal › Article › peer-review

Abstract

We have observed the effect of pseudomagnetic field originating from the polaritonic analog of spin-orbit coupling [transverse electric and transverse magnetic (TE-TM) splitting] on a polariton condensate in a ring-shaped microcavity. The effect gives rise to a stable four-leaf pattern around the ring as seen from the linear polarization measurements of the condensate photoluminescence. This pattern is found to originate from the interplay of the cavity potential, energy relaxation, and TE-TM splitting in the ring. Our observations are compared to the dissipative one-dimensional spinor Gross-Pitaevskii equation with the TE-TM splitting energy, which shows good qualitative agreement.

Original languageEnglish
Article number165306
JournalPhysical Review B
Volume103
Issue number16
DOIs
StatePublished - 22 Apr 2021

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