Quantum Electrodynamics of a Nanocavity Coupled with Exciton Complexes in a Quantum Dot

Details Quantum Electrodynamics of a Nanocavity Coupled with Exciton Complexes in a Quantum Dot Quantum Electrodynamics of a Nanocavity Coupled with Exciton Complexes in a Quantum Dot

2009-04-23

arxiv.org/abs/0904.3697v1

Physics

Quantum Physics

23 pages, 5 figures

Scientific paper

Here, a comprehensive theory of the couplings between a nanocavity and exciton complexes in a quantum dot is developed, which successfully predicts the spectral triplet in the strong coupling regime that has been observed in several experiments but is unexpected according to conventional cavity quantum electrodynamics. The quantum anti-Zeno effect is found to play an essential role in the appearance of the central peak in the triplet under a low-excitation regime. The effect of hyperfine interactions is also discussed, which results in the cavity-mediated mixing of bright and dark exciton states. These results provide significant insights into solid-state cavity quantum electrodynamics.

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