Entanglement purification of multi-mode quantum states

被引：1
|
作者：
Clausen, J [1 ]
Knöll, L [1 ]
Welsch, DG [1 ]
机构：
[1] Univ Jena, Inst Theoret Phys, D-07743 Jena, Germany
来源：
JOURNAL OF OPTICS B-QUANTUM AND SEMICLASSICAL OPTICS | 2003年 / 5卷 / 06期
关键词：
quantum communication and computing; entanglement and quantum nonlocality; entanglement purification; nonclassical field states; decoherence; cross-keff interaction; state reconstruction;
D O I：
10.1088/1464-4266/5/6/004
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
An iterative random procedure is considered allowing entanglement purification of a class of multi-mode quantum states. In certain cases, complete purification may be achieved using only a single signal state preparation. A physical implementation based on beam splitter arrays and non-linear elements is suggested. The influence of loss is analysed in the example of purification of entangled N-mode coherent states.
引用
收藏
页码：S561 / S566
页数：6
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