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论文类型：期刊论文

发表时间：2010-03-01

发表刊物：EUROPEAN PHYSICAL JOURNAL D

收录刊物：SCIE

卷号：57

期号：1

页面范围：111-116

ISSN号：1434-6060

摘要：We investigate a double-Lambda atomic ensemble trapped in a cavity and deduce the five species of polaritons. By analysing the analytic expression, we show the exchange of the two mode fields as well as frequency conversion. By studying the entanglement between the two mode fields, we exhibit the role of the five species of polaritons in entanglement creation. We also show the influence of the field and atomic decay on entanglement.