Coherent excitation of a strongly coupled quantum dot - cavity system

Details Coherent excitation of a strongly coupled quantum dot - cavity system Coherent excitation of a strongly coupled quantum dot - cavity system

2009-02-14

arxiv.org/abs/0902.2428v2

Physics

Quantum Physics

17 pages, 4 figures

Scientific paper

We have studied the coherent excitation of a strongly coupled QD/photonic crystal cavity system. Time-resolved reflectivity measurements show the vacuum Rabi oscillation of the dot in the cavity. Next, we considered the resonant driving of a cavity-detuned dot, which efficiently populates the cavity mode. This cavity-controlled read-out channel allows high-resolution single quantum dot spectroscopy. Autocorrelation measurements on the cavity mode show antibunching and suggest the use of the resonantly driven QD/cavity system as an on-demand source of single photons with potentially near-unity indistinguishability.

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