Bistability and nonequilibrium transitions in the optically polarized system of cavity polaritons under nanosecond-long resonant excitation

Abstract

The polarization dependence of nonequilibrium transitions in a multistable cavity-polariton system is studied under a nanosecond long resonant optical excitation at the normal and magic angle incidences with various polarizations of the pump beam. The temporal correlations between the frequency, intensity, and optical polarization of the intra-cavity field, which all undergo sharp threshold-like changes due to the spin dependent interaction of cavity polaritons, are visualized. The observed dynamics cannot be reproduced within the conventional semi-classical model based on the Gross-Pitaevskii equations. To explain the observed phenomena, it is necessary to take into account the unpolarized exciton reservoir which brings on additional blueshift of bright excitons, equal in the ${\sigma }^{+}$ and ${\sigma }^{-}$ polarization components. This model explains the effect of polarization instability under both pulsed and continuous wave resonant excitation conditions, consistently with the spin ring pattern formation that has recently been observed under Gaussian shaped excitation.

13 pages, 13 figures

References in corpus (8)

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• Polarization multistability of cavity polaritons
• Effect of Interactions on Vortices in a Non-equilibrium Polariton Condensate
• Polarization bistability and resultant spin rings in semiconductor microcavities
• Influence of exciton-exciton correlations on the polarization characteristics of the polariton amplification in semiconductor microcavities
• Spin rings in bi-stable planar semiconductor microcavities
• Kinetics of stimulated polariton scattering in planar microcavities: Evidence for a dynamically self-organized optical parametric oscillator

Cited by in corpus (11)

• The effects of spin-dependent interactions on polarisation of bright polariton solitons
• Polariton chimeras: Bose-Einstein condensates with intrinsic chaoticity and spontaneous long-range ordering
• Spin multistability of cavity polaritons in a magnetic field
• Towards spin turbulence of light: Spontaneous disorder and chaos in cavity-polariton systems
• Multistability of cavity exciton-polaritons affected by the thermally generated exciton reservoir
• Blowup dynamics of coherently driven polariton condensates
• Effective attractive polariton-polariton interaction mediated by the exciton reservoir
• Spin oscillations of a single-mode polariton system driven by a plane wave
• Polaronic polariton quasiparticles in a dark excitonic medium
• Stochastic and deterministic switches in a bistable polariton micropillar under short optical pulses
• Dynamical instability of a non-equilibrium exciton-polariton condensate