Spin squeezing and light entanglement in coherent population trapping.
نویسندگان
چکیده
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.
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عنوان ژورنال:
- Physical review letters
دوره 97 2 شماره
صفحات -
تاریخ انتشار 2006