Two-color hyper-entangled photon pairs generation in a cold 85Rb atomic ensemble

被引：11
|
作者：
Dong, Ming-Xin [1 ,2 ]
Zhang, Wei [1 ,2 ]
Shi, Shuai [1 ,2 ]
Wang, Kai [1 ,2 ]
Zhou, Zhi-Yuan [1 ,2 ]
Liu, Shi-Long [1 ,2 ]
Ding, Dong-Sheng [1 ,2 ]
Shi, Bao-Sen [1 ,2 ]
机构：
[1] Univ Sci & Technol China, Key Lab Quantum Informat, Hefei 230026, Peoples R China
[2] Univ Sci & Technol China, Synerget Innovat Ctr Quantum Informat & Quantum P, Hefei 230026, Peoples R China
来源：
OPTICS EXPRESS | 2017年 / 25卷 / 09期
基金：
中国国家自然科学基金;
关键词：
QUANTUM COMMUNICATION; EXPERIMENTAL REALIZATION; STATES; TELEPORTATION; INEQUALITY; FREEDOM; TIME;
D O I：
10.1364/OE.25.010145
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Hyper-entangled photon pairs are very promising in the quantum information field for enhancing the channel capacity in communication and improving compatibility for networks. Here we report on the experimental generation of a hyper-entangled photon pair at a wavelength of 795 nm and 1475 nm via the spontaneous four-wave mixing process in a cold Rb-85 atomic ensemble. The photons in each pair generated are entangled in both the time-frequency and polarization degrees of freedom. Such hyper-entangled photon pairs with special wavelength have potential applications in high-dimensional quantum communication and quantum physics. (C) 2017 Optical Society of America
引用
收藏
页码：10145 / 10152
页数：8
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