Photon scattering from strongly driven atomic ensembles

Details Photon scattering from strongly driven atomic ensembles Photon scattering from strongly driven atomic ensembles

2011-08-23

arxiv.org/abs/1108.4515v1

Phys. Rev. A 84, 043812 (2011)

Physics

Quantum Physics

7 pages, 4 figures

Scientific paper

The second order correlation function for light emitted from a strongly and near-resonantly driven dilute cloud of atoms is discussed. Because of the strong driving, the fluorescence spectrum separates into distinct peaks, for which the spectral properties can be defined individually. It is shown that the second-order correlations for various combinations of photons from different spectral lines exhibit bunching together with super- or sub-Poissonian photon statistics, tunable by the choice of the detector positions. Additionally, a Cauchy-Schwarz inequality is violated for photons emitted from particular spectral bands. The emitted light intensity is proportional to the square of the number of particles, and thus can potentially be intense. Three different averaging procedures to model ensemble disorder are compared.

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