Hyper-entangled two photon states for quantum communication applications

被引：0
|
作者：
Barbieri, M.
Martini, F. De.
Mataloni, P. [1 ]
机构：
[1] Univ Roma La Sapienza, Dipartimento Fis, P A Moro 2, I-00185 Rome, Italy
来源：
QUANTUM INFORMATION AND COMPUTATION IV | 2006年 / 6244卷
关键词：
spontaneous parametric down conversion; entanglement; nonlocality;
D O I：
10.1117/12.665579
中图分类号：
TP301 [理论、方法];
学科分类号：
081202 ;
摘要：
Two photon states entangled in polarization and momentum, hyper-entangled, have been generated by using linear optics and a single Type I nonlinear crystal. These states have been completely characterized and their nonlocal behaviour have been verified by independent Bell's inequalities tests performed in the two degrees of freedom of entanglement and by an "all versus nothing" test of local realism. The manipulation of these states may represent a useful control in quantum state engineering and Bell state measurements and, more in general, in Quantum Information applications.
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页数：11
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