External field effect on quantum features of radiation emitted by a QW in a microcavity

Details External field effect on quantum features of radiation emitted by a QW in a microcavity External field effect on quantum features of radiation emitted by a QW in a microcavity

2011-09-20

arxiv.org/abs/1109.4375v1

Phys. Rev. A 83, 023822 (2011)

Physics

Quantum Physics

8 pages, 10 figures

Scientific paper

10.1103/PhysRevA.83.023822

We consider a semiconductor quantum well in a microcavity driven by coherent light and coupled to a squeezed vacuum reservoir. By systematically solving the pertinent quantum Langevin equations in the strong coupling and low excitation regimes, we study the effect of exciton-photon detuning, external coherent light, and the squeezed vacuum reservoir on vacuum Rabi splitting and on quantum statistical properties of the light emitted by the quantum well. We show that the exciton-photon detuning leads to a shift in polariton resonance frequencies and a decrease in fluorescence intensity. We also show that the fluorescent light exhibits quadrature squeezing which predominately depends on the exciton-photon detuning and the degree of the squeezing of the input field.

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