Spatial and spectral shape of inhomogeneous non-equilibrium exciton-polariton condensates
arXiv:0707.1016 · doi:10.1103/PhysRevB.77.115340
Abstract
We develop a mean-field theory of the spatial profile and the spectral properties of polariton condensates in nonresonantly pumped semiconductor microcavities in the strong coupling regime. Predictions are obtained for both the continuous-wave and the pulsed excitation regimes and the specific signatures of the non-equilibrium character of the condensation process are pointed out. A striking sensitivity of the condensate shape on the optical pump spot size is demonstrated by analytical and numerical calculations, in good quantitative agreement with recent experimental observations.
arXiv comment5 pages, 3 figures
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