Interaction of a two-level atom with squeezed light

Details Interaction of a two-level atom with squeezed light Interaction of a two-level atom with squeezed light

2006-10-16

arxiv.org/abs/quant-ph/0610123v2

Physics

Quantum Physics

9 pages and 9 figures, in press, Opt. Commun

Scientific paper

10.1016/j.optcom.2006.10.016

We consider a degenerate parametric oscillator whose cavity contains a two-level atom. Applying the Heisenberg and quantum Langevin equations, we calculate in the bad-cavity limit the mean photon number, the quadrature variance, and the power spectrum for the cavity mode in general and for the signal light and fluorescent light in particular. We also obtain the normalized second-order correlation function for the fluorescent light. We find that the presence of the two-level atom leads to a decrease in the degree of squeezing of the signal light. It so turns out that the fluorescent light is in a squeezed state and the power spectrum consists of a single peak only.

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