| ELECTROMAGNETISM, OPTICS, ACOUSTICS, HEAT TRANSFER, CLASSICAL MECHANICS, AND FLUID DYNAMICS |
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Enhancing stationary optomechanical entanglement with Kerr medium |
| Zhang Dan (张丹)a, Zhang Xiao-Ping (张小平)b, Zheng Qiang (郑强)c |
a School of Chemistry and Material Science, Guizhou Normal University, Guiyang 550001, China;
b Space Science Institute, Macau University of Science and Technology, Avenida Wai Long, Macau, China;
c School of Mathematics and Computer Science, Guizhou Normal University, Guiyang 550001, China |
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Abstract We theoretically investigate the stationary entanglement of a optomechanical system with additional Kerr medium in the cavity. There are two kinds of interactions in the system, photon-mirror interaction and photon-photon interaction. The optomechanical entanglement created by the former interaction can be effectively controlled by the latter one. We find that the optomechanical entanglement is suppressed by Kerr interaction due to photon blockage. We also find that the Kerr interaction can create the stationary entanglement and induce the resonance of entanglement in the small detuning regime. These results show that the Kerr interaction is an effective controlling knob to the optomechanical system.
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Received: 15 January 2013
Revised: 12 March 2013
Accepted manuscript online:
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PACS:
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42.50.Pq
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(Cavity quantum electrodynamics; micromasers)
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42.50.Wk
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(Mechanical effects of light on material media, microstructures and particles)
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03.67.Bg
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(Entanglement production and manipulation)
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| Fund: Project supported by the National Natural Science Foundation of China (Grant Nos. 11065005 and 11105079), the Governor's Foundation for Science and Education Elites of Guizhou Province and Creative Talent Programme in University of Guizhou Province, China, and the Internationally Scientific and Technological Cooperation Projects of Guizhou Province, China (Grant No. [2011]7026). |
Corresponding Authors:
Zheng Qiang
E-mail: qzhengnju@gmail.com
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Cite this article:
Zhang Dan (张丹), Zhang Xiao-Ping (张小平), Zheng Qiang (郑强) Enhancing stationary optomechanical entanglement with Kerr medium 2013 Chin. Phys. B 22 064206
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