Concentration of higher dimensional entanglement: Qutrits of photon orbital angular momentum

被引：255
|
作者：
Vaziri, A
Pan, JW
Jennewein, T
Weihs, G
Zeilinger, A
机构：
[1] Univ Vienna, Inst Expt Phys, A-1090 Vienna, Austria
[2] Austrian Acad Sci, Inst Quantenopt & Quanteninformat, A-1090 Vienna, Austria
[3] S23 Stanford Lab, Ginzton Lab, Palo Alto, CA 94304 USA
来源：
PHYSICAL REVIEW LETTERS | 2003年 / 91卷 / 22期
关键词：
D O I：
10.1103/PhysRevLett.91.227902
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Enhancement of entanglement is necessary for most quantum communication protocols many of which are defined in Hilbert spaces larger than 2. In this work we present the experimental realization of entanglement concentration of orbital angular momentum entangled photons. We investigate the specific case of three dimensions and the possibility of generating different entangled states out of an initial state. The results presented here are of importance for pure states as well as for mixed states.
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页数：4
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