Entanglement Property of Coherent Squeezed States through Beam Splitter

摘要：

We investigated the quantum entanglement properties of a pair of coherent squeezed states passed through a single beam splitter. From valuated the degree of entanglement in terms of entanglement of formation, the result showed that a 50: 50 symmetric beam splitter (r = t = 1√2, r=π/2 ) was a well element to generate maximally entangled output state for the same two coherent squeezed states inputting. Furthermore, the entanglement is increasing with the initial squeezed parameter ξ, while is not related to the coherent parameter α.

关键词： coherent squeezed state Wigner characteristic function entanglement of formation.

作者: Fang Zhou Qingping Zhou Yanliang Zhang Qingping Zhou

作者单位: Collage of Information Management and Engineering,Jishou niversity,Zhangjiajie 427000, Peoples Repu State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics,Wuhan Institute of Physi

会议类型: 国际会议

会议名称: 2011 International Conference on Communication and Electronics Information(ICCEI 2011)(2011年通信和电子信息国际会议)

会议地点: 海口

会议语种:英文

页码: 110-113

在线出版日期: 2011-02-22（万方平台首次上网日期，不代表论文的发表时间）