Extended photon correlation in a negative-temperature medium
We show how two-photon correlation of a two-level amplifier in the small signal regime depends on the atomic populations and the propagation length. We predict that inverted population associated with negative temperature gives a very long correlation time even in the presence of decoherence, a usef...
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| Format: | Article |
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2008
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| Online Access: | http://pra.aps.org/abstract/PRA/v77/i5/e053820 http://pra.aps.org/abstract/PRA/v77/i5/e053820 |
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