Effects of photon addition on quantum nonlocality of squeezed entangled coherent states

doi:10.1088/1674-1056/21/9/090302

Abstract Effects of photon addition on quantum nonlocality of squeezed entangled coherent states for Bell-inequality tests are studied theoretically. By utilizing the method of photon-parity measurement, it is found that photon addition can always increase the degrees of Bell violations within a certain parameter range. A possible scheme for generating photon-added squeezed entangled coherent states is proposed.

Keywords: quantum nonlocality photon addition squeezed entangled coherent states

Received: 06 April 2012
Revised: 31 May 2012
Accepted manuscript online:

PACS:	03.65.Ud	(Entanglement and quantum nonlocality)
	03.67.Mn	(Entanglement measures, witnesses, and other characterizations)

Fund: Project supported by the National Natural Science Foundation of China (Grant No. 11074087), the Natural Science Foundation of Hubei Province, China (Grant No. 2010CDA075), and the Natural Science Foundation of Wuhan City, China (Grant No. 201150530149).

Corresponding Authors: Zhou Ben-Yuan
E-mail: zhoubenyuan@mails.ccnu.edu.cn

Cite this article:

Zhou Ben-Yuan (周本元), Deng Lei (邓磊), Duan Yong-Fa (段永法), Yu Li (喻莉), Li Gao-Xiang (李高翔) Effects of photon addition on quantum nonlocality of squeezed entangled coherent states 2012 Chin. Phys. B 21 090302

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