Bell inequality tests of four-photon six-qubit graph states

被引：9
|
作者：
Gao, Wei-Bo [1 ]
Yao, Xing-Can [1 ]
Xu, Ping [1 ]
Lu, He [1 ]
Guehne, Otfried [2 ,3 ,4 ]
Cabello, Adan [5 ]
Lu, Chao-Yang [1 ]
Yang, Tao [1 ]
Chen, Zeng-Bing [1 ]
Pan, Jian-Wei [1 ,6 ]
机构：
[1] Univ Sci & Technol China, Hefei Natl Lab Phys Sci Microscale, Dept Modern Phys, Hefei 230026, Anhui, Peoples R China
[2] Austrian Acad Sci, Inst Quantenopt & Quanteninformat, A-6020 Innsbruck, Austria
[3] Univ Innsbruck, Inst Theoret Phys, A-6020 Innsbruck, Austria
[4] Univ Siegen, Fachbereich Phys, D-57068 Siegen, Germany
[5] Univ Seville, Dept Fis Aplicata 2, E-41012 Seville, Spain
[6] Heidelberg Univ, Inst Phys, D-69120 Heidelberg, Germany
来源：
PHYSICAL REVIEW A | 2010年 / 82卷 / 04期
关键词：
ENTANGLEMENT;
D O I：
10.1103/PhysRevA.82.042334
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We now experimentally demonstrate a Y-shaped graph state with photons' polarization and spatial modes as qubits. Based on this state and a linear-type graph state, we report on the experimental realization of two different Bell inequality tests, which represent higher violation than previous Bell tests.
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页数：4
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