Time-delayed entanglement from coherently coupled nonlinear cavities

被引：9
|
作者：
McRae, Terry G. [1 ,2 ]
Bowen, Warwick P. [1 ]
机构：
[1] Univ Queensland, Sch Math & Phys, Brisbane, Qld 4072, Australia
[2] Univ Otago, Dept Phys, MacDiarmid Inst, Dunedin 9054, New Zealand
来源：
PHYSICAL REVIEW A | 2009年 / 80卷 / 01期
基金：
澳大利亚研究理事会;
关键词：
QUANTUM COMMUNICATION; ATOMIC ENSEMBLES; DISTANCE; SYSTEMS; LIGHT;
D O I：
10.1103/PhysRevA.80.010303
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The output fields of a pair of coherently coupled nonlinear optical cavities are found to exhibit strong optical entanglement. For sufficiently strong coupling time-delayed quantum correlations are observed providing a resource for quantum information protocols such as all-optical quantum memories. A straightforward experimental implementation applicable to whispering gallery mode resonators such as microtoroids is proposed.
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页数：4
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