A Dantan

Laboratoire Charles Fabry de l'Institut d'Optique

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Physical review letters (1)

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Sources

Spin squeezing and light entanglement in coherent population trapping.

(2006)

Journal - Physical review letters (United States )

Abstract :

We show that strong squeezing and entanglement can be generated at the output of a cavity containing atoms interacting with two fields in a coherent population trapping situation, on account of a nonlinear Faraday effect experienced by the fields close to a dark-state resonance in a cavity. Moreover, the cavity provides a feedback mechanism allowing to reduce the quantum fluctuations of the ground state spin, resulting in strong steady state spin squeezing.

ISSN :	0031-9007