journal article·2021-04-22Open access

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

Physical Review B· Volume 103· Issue 16

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.
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Research context

OpenAlex topics: Strong Light-Matter Interactions · Thermal Radiation and Cooling Technologies · Quantum and electron transport phenomena

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Department of Physics and Astronomy, University of Pittsburgh, Pittsburgh, Pennsylvania 15260, USA

Science Institute, University of Iceland, Dunhagi-3, IS-107 Reykjavik, Iceland

ITMO University, St. Petersburg 197101, Russia

Faculty of Science and Engineering, University of Wolverhampton, Wulfruna St, Wolverhampton WV1 1LY, United Kingdom

Institut Pascal, PHOTON-N2, Université Clermont Auvergne, CNRS, SIGMA Clermont, Institut Pascal, F-63000 Clermont-Ferrand, France

State Key Laboratory of Precision Spectroscopy, East China Normal University, Shanghai 200062, China

Department of Physics and Engineering, Penn State Abington, Abington, Pennsylvania 19001, USA

National Renewable Energy Lab, Golden, Colorado 80401, USA

Department of Electrical Engineering, Princeton University, Princeton, New Jersey 08544, USA

Funding

National Science Foundation · Gordon and Betty Moore Foundation · Russian Science Foundation

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