Statistics of microcavity polaritons under non-resonant excitation
arXiv:cond-mat/0604185 · doi:10.1103/PhysRevB.74.045324
Abstract
A model describing amplification and quantum statistics of the exciton polaritons with k=0 in a non-resonantly excited semiconductor quantum well embedded in a microcavity is presented. Exploiting the bottleneck effect for exciton polaritons, it is assumed that the polaritons with k different from 0 act as a reservoir. The time evolution of the k=0 polaritons is described by a master equation, in which two- and one-polariton transitions between the mode with k=0 and the reservoir are accounted for. The k=0 mode exhibits a threshold depending on the material parameters and on the injected exciton density. Below threshold the quantum statistics of the emission is characteristic of an incoherent process, while above threshold it approaches that of a laser.
arXiv comment23 pages, 7 figures
References in corpus (4)
- Parametric Luminescence of Microcavity Polaritons
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- Effective cavity pumping from weakly coupled quantum dots
- Spectrum and thermal fluctuations of a microcavity polariton Bose-Einstein condensate
- Absorption, Photoluminescence and Resonant Rayleigh Scattering Probes of Condensed Microcavity Polaritons
- Photoluminescence of high-density exciton-polariton condensates
- Unconditional generation of bright coherent non-Gaussian light from exciton-polariton condensates
- Stationary and time dependent correlations in polariton condensates
- Thermodynamics and linear response of a Bose-Einstein condensate of microcavity polaritons