Entanglement measurement based on two-particle interference

被引：7
|
作者：
Cai, JM [1 ]
Zhou, ZW [1 ]
Guo, GC [1 ]
机构：
[1] Univ Sci & Technol China, Chinese Acad Sci, Key Lab Quantum Informat, Hefei 230026, Anhui, Peoples R China
来源：
PHYSICAL REVIEW A | 2006年 / 73卷 / 02期
关键词：
D O I：
10.1103/PhysRevA.73.024301
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We propose a simple and realizable method using a two-particle interferometer for the experimental measurement of pairwise entanglement, assuming some prior knowledge about the quantum state. The basic idea is that the properties of the density matrix can be revealed by the single- and two-particle interference patterns. The scheme can easily be implemented with polarized entangled photons.
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页数：4
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