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Entanglement of Optical and Mechanical Modes Enhanced in Distant Optomechanical Systems by Atomic Coherence

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Indexed by:Journal Papers

Date of Publication:2016-01-01

Journal:INTERNATIONAL JOURNAL OF THEORETICAL PHYSICS

Included Journals:SCIE、Scopus

Volume:55

Issue:1

Page Number:329-337

ISSN No.:0020-7748

Key Words:Coupled optomechanical cavities; Atomic medium; Stationary macroscopic entanglement; Logarithmic negativity

Abstract:We present a scheme for three-level cascade atoms to entangle various optical and mechanical modes of two coupled cavity optomechanical system. With the existence of atomic mediums, our study shows that the larger stationary macroscopic entanglement of distant optomechanical systems can be obtained and reaches the maximum at the same effective detuning. Furthermore, we find that it is insensitive to the cavity decay rate for the entanglement between the two distant movable mirrors, and between the mirror and the adjacent or the distant cavity mode, which compensates for the effects of the cavity dissipation.

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