Entanglement Properties in the System of Three Atoms Trapped in Three Distant Cavities Connected by Two Optical Fibers
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This paper discusses the entanglement dynamics of a coupled cavity quantum electrodynamics (CQED) setup, which comprises three two-level atoms resonantly interacting with three cavities that are coupled by two optical fibers. The influences of atom-cavity coupling constant on the entanglement between atoms and that between cavities are discussed. The results obtained from the numerical method show that the entanglement between non-adjacent atoms or that between adjacent cavities has a nonlinear relation with increasing of the atom-cavity coupling coefficient. On the other hand, the entanglement between non-adjacent cavities is strengthened and the entanglement between adjacent atoms is weakened with increasing of atom-cavity coupling constant.
KeywordsQuantum optics Two-level atom Atom-cavity-fiber compound system Quantum entanglement
This work is supported by the Natural Science Foundation of Fujian Province Under Grant No. 2011J01018 and Fujian Provincial Department of Education Under Grant No. JA12327
- 16.Lu, D.M.: Acta Phys. Sin. 60, 120303 (2011) Google Scholar