Anisotropic polariton scattering and spin dynamics of cavity polaritons

Glazov, M.M., Shelykh, I.A., Malpuech, G., Kavokin, K.V., Kavokin, A.V. and Solnyshkov, D.D. (2005) Anisotropic polariton scattering and spin dynamics of cavity polaritons. Solid State Communications, 134 (1-2), 117-120. (doi:10.1016/j.ssc.2004.06.048).

Abstract

We describe the spin-dynamics of exciton–polaritons in semiconductor microcavities in the strong coupling regime. Using the Liouville equation for the spin-density matrix in the Born–Markov approximation we obtain kinetic equations taking into account polariton–acoustic phonon and polariton–polariton scattering. We describe both the ‘polariton laser’ regime (non-resonant excitation) and ‘optical parametric oscillator’ regime (resonant excitation at the magic angle). We obtain a good agreement with experimental data on the dynamics of polarization of light emitted by microcavities.

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