Quantum correlations of two optical fields close to electromagnetically induced transparency.
作者： A. Sinatra
DOI: 10.1103/PHYSREVLETT.97.253601
关键词: Atomic physics 、 Multistability 、 Physics 、 Excited state 、 Spontaneous emission 、 Critical point (thermodynamics) 、 Quantum 、 Electromagnetically induced transparency 、 Quantum electrodynamics
摘要: We show that three-level atoms excited by two cavity modes in a $\Lambda$ configuration close to electromagnetically induced transparency can produce strongly squeezed bright beams or correlated which be used for quantum non demolition measurements. The input intensity is the experimental ``knob" tuning system into squeezer device. correlations become ideal at critical point characterized appearance of switching behavior mean fields intensities. Our predictions, based on realistic fully 3-level model including losses and spontaneous emission, allow direct comparison with future experiments.
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