Entanglement of fields in coupled-cavities: effects of pumping and fluctuations

Details Entanglement of fields in coupled-cavities: effects of pumping and fluctuations Entanglement of fields in coupled-cavities: effects of pumping and fluctuations

2010-02-04

arxiv.org/abs/1002.0913v1

Physics

Quantum Physics

20 pages; 6 figures

Scientific paper

A system of two coupled cavities is studied in the context of bipartite, continuous variable entanglement. One of the cavities is pumped by an external classical source that is coupled quadratically, to the cavity field. Dynamics of entanglement, quantified by covariance measure [Dodonov {\it et al}, Phys. Lett A {\bf 296}, (2002) 73], in the presence of cavity-cavity coupling and external pumping is investigated. The importance of tailoring the coupling between the cavities is brought out by studying the effects of pump fluctuations on the entanglement.

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