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arXiv:cond-mat/0409525 · Physica E Low-dimensional Systems and Nanostructures

Mean-field dynamics of a quantum dot-microcavity system

Herbert Vinck-Posada, Boris A. Rodríguez, Augusto González

Published Apr 9, 2005• 2 citations
arXivHTMLPDF
DOI
10.1016/j.physe.2005.01.005

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The master equation for the microcavity-quantum dot coupled system is established based on the quantum regression theorem,and the time-dependent evolution of the density matrix of the two-level system for a quantum dot in a microcavity is studied under pumping by laser pulses.The characteristics such as the number of emitted photons and the second-order corelation function are derived from the density matrixes.Parameters of the microcavity and the pumping conditions are optimized for single-photon sources.The relativity between the microcavity decay rate and coupling coefficient is critical for single photon emission.