Physics – Quantum Physics
Scientific paper
2006-03-22
Physical Review Letters 97 (2006) 023605
Physics
Quantum Physics
4 pages, 5 figures
Scientific paper
10.1103/PhysRevLett.97.023605
We show that high 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 non-linear 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.
Cviklinski Jean
Dantan Aurelien
Giacobino Elisabeth
Pinard Michel
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