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Nano-optics and nanophotonics

Theory of Quantum Light Sources and Cavity-QED Emitters Based on Semiconductor Quantum Dots

Christopher Gies, Matthias Florian, Alexander Steinhoff, F. Jahnke

Published Jan 1, 2017• 5 citations
Publisher
DOI
10.1007/978-3-319-56378-7_1

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A solid-state single-photon source emitting indistinguishable photons on-demand is an essential component of linear optics quantum computing schemes. However, the emitter will inevitably interact with the solid-state environment causing decoherence and loss of indistinguishability. In this paper, we present a comprehensive theoretical treatment of the influence of phonon scattering on the coherence properties of single photons emitted from semiconductor quantum dots. We model decoherence using a full microscopic theory and compare with standard Markovian approximations employing Lindblad-type relaxation terms. Significant differences between the two approaches are found.