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Pis'ma v Zhurnal Èksperimental'noi i Teoreticheskoi Fiziki, 2017, Volume 106, Issue 7, Pages 403–408
DOI: https://doi.org/10.7868/S0370274X17190018 (Mi jetpl5379) 		 
OPTICS AND NUCLEAR PHYSICS

Spin dynamics of a vortical condensate of exciton polaritons in a GaAs microcavity

A. A. Demeneva, A. V. Larionova, S. I. Novikova, D. R. Domaretskiiab, V. D. Kulakovskiiba

a Institute of Solid State Physics, Russian Academy of Sciences, Chernogolovka, Russia
b Moscow Institute of Physics and Technology (State University), Dolgoprudnyi, Russia
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DOI: https://doi.org/10.7868/S0370274X17190018
Abstract: The temporal dynamics of a spinor exciton-polariton condensate in a high-quality anisotropic GaAs microcavity under pulsed resonant excitation with light possessing a nonzero orbital angular momentum is investigated. The phenomenon of spatial separation of the spin components of the polariton condensate upon pumping with a coherent superposition of two beams with opposite circular polarizations and orbital angular momenta is observed. The key factors for the observation of this effect are the lateral anisotropy of the microcavity that causes a splitting between the linear components of the polariton ground state and the occurrence of opposite orbital angular momenta for the two spin components of the condensate. The experimental results are in qualitative agreement with the theoretical model of the phenomenon developed in JETP Lett. 104, 827 (2016).
Funding agency Grant number
Russian Science Foundation 14-12-01372
Received: 30.08.2017
English version:
Journal of Experimental and Theoretical Physics Letters, 2017, Volume 106, Issue 7, Pages 417–421
DOI: https://doi.org/10.1134/S0021364017190055
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Document Type: Article
Language: Russian
Citation: A. A. Demenev, A. V. Larionov, S. I. Novikov, D. R. Domaretskii, V. D. Kulakovskii, “Spin dynamics of a vortical condensate of exciton polaritons in a GaAs microcavity”, Pis'ma v Zh. Èksper. Teoret. Fiz., 106:7 (2017), 403–408; JETP Letters, 106:7 (2017), 417–421
Citation in format AMSBIB
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\paper Spin dynamics of a vortical condensate of exciton polaritons in a GaAs microcavity
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