Narrowband-biphoton generation due to long-lived coherent population oscillations

A. V. Sharypov, A. D. Wilson-Gordon

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4 Scopus citations


We study the generation of paired photons due to the effect of four-wave mixing in an ensemble of pumped two-level systems that decay via an intermediate metastable state. The slow population relaxation of the metastable state creates long-lived coherent population oscillations, leading to a narrowband nonlinear response of the medium which determines the narrow spectral width and long coherence time of the biphotons.

Original languageEnglish
Article number033845
JournalPhysical Review A - Atomic, Molecular, and Optical Physics
Issue number3
StatePublished - 21 Sep 2011


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