非均匀非平衡激子-极化激元凝聚体的空间和光谱形状
Spatial and spectral shape of inhomogeneous non-equilibrium exciton-polariton condensates
摘要：
本文发展了强耦合区非共振泵浦半导体微腔中极化激元凝聚的空间分布和光谱特性的平均场论。预测得到的连续波和脉冲激发制度和具体签名的非平衡特性的冷凝过程中指出。通过分析和数值计算证明了冷凝物形状对光泵光斑尺寸的显著敏感性，与最近的实验观察结果定量一致。
英文摘要：
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.
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