Error correction of polarization entanglement in hyper-entangled state

被引：2
|
作者：
Wang, Meiyu [1 ]
Yan, Fengli [1 ]
Gao, Ting [2 ]
机构：
[1] Hebei Normal Univ, Coll Phys, Shijiazhuang 050024, Hebei, Peoples R China
[2] Hebei Normal Univ, Coll Math & Informat Sci, Shijiazhuang 050024, Hebei, Peoples R China
来源：
JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS | 2020年 / 53卷 / 13期
基金：
中国国家自然科学基金;
关键词：
entanglement purification; hyper-entangled state; polarization parity-check operation; HYPERENTANGLEMENT PURIFICATION; SIDE-BAND; QUANTUM; DECOHERENCE; PARTICLE;
D O I：
10.1088/1361-6455/ab7c3c
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We present two schemes for error-correction of polarization entanglement with time-bin entanglement and frequency entanglement in hyper-entangled state. In these two protocols, by performing the polarization parity-check operation, the bit-flip and phase-flip errors on the polarization part can be corrected and eliminated in one step. The parties in quantum communication can obtain maximally hyper-entangled states in two degrees of freedom in a deterministic way. Our protocols for purification are useful in practical applications for long-distance quantum communication.
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页数：7
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