Distributing a multi-photon polarization-entangled state with unitary fidelity via arbitrary collective noise channels

被引：11
|
作者：
Xiu, Xiao-Ming [1 ,2 ]
Li, Qing-Yang [1 ]
Dong, Li [1 ,2 ]
Shen, Hong-Zhi [2 ]
Li, Dan [3 ]
Gao, Ya-Jun [1 ]
Yi, X. X. [2 ]
机构：
[1] Bohai Univ, Coll Math & Phys, Jinzhou 121013, Peoples R China
[2] Dalian Univ Technol, Sch Phys & Optoelect Technol, Dalian 116024, Peoples R China
[3] Chengdu Technol Univ, Dept Elect & Elect Engn, Chengdu 611730, Peoples R China
来源：
QUANTUM INFORMATION PROCESSING | 2015年 / 14卷 / 01期
基金：
中国国家自然科学基金;
关键词：
Entanglement distribution; Collective noise; Spatial degree of freedom; DISTANCE QUANTUM COMMUNICATION; LINEAR OPTICS; QUBIT TRANSMISSION; BELL THEOREM; MEMORY; TELEPORTATION; EFFICIENT; PURIFICATION; CRYPTOGRAPHY; COMPUTATION;
D O I：
10.1007/s11128-014-0844-5
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Taking collective noise into account, a feasible protocol for distributing a multi-photon polarization-entangled state is presented assisted with spatial degree of freedom. The compositions of polarization beam splitters and half-wave plates with tilted functioning as NOT gates convert the entanglement modes between the polarization and spatial degree of freedom. The appropriate and available optical elements are applied, by which the protocol can be feasibly implemented without the influence resulting from arbitrary collective noise. Furthermore, the successful probability of the entangled state distribution equals to unity for unitary collective noise model.
引用
收藏
页码：361 / 372
页数：12
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