Generation of concatenated Greenberger-Horne-Zeilinger-type entangled coherent state based on linear optics

被引：7

作者：

Guo, Rui ^{[1
]}

Zhou, Lan ^{[1
,2
]}

Gu, Shi-Pu ^{[3
]}

Wang, Xing-Fu ^{[2
]}

Sheng, Yu-Bo ^{[1
]}

机构：

[1] Nanjing Univ Posts & Telecommun, Key Lab Broadband Wireless Commun & Sensor Networ, Minist Educ, Nanjing 210003, Jiangsu, Peoples R China

[2] Nanjing Univ Posts & Telecommun, Coll Math & Phys, Nanjing 210003, Jiangsu, Peoples R China

[3] Nanjing Univ Posts & Telecommun, Coll Elect Sci & Engn, Nanjing 210003, Jiangsu, Peoples R China

来源：

QUANTUM INFORMATION PROCESSING | 2017年 / 16卷 / 03期

基金：

中国国家自然科学基金;

关键词：

Quantum communication; Concatenated Greenberger-Horne-Zeilinger state; Coherent state; Linear optics; QUANTUM CRYPTOGRAPHY;

D O I：

10.1007/s11128-017-1519-9

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The concatenated Greenberger-Horne-Zeilinger (C-GHZ) state is a new type of multipartite entangled state, which has potential application in future quantum information. In this paper, we propose a protocol of constructing arbitrary C-GHZ entangled state approximatively. Different from previous protocols, each logic qubit is encoded in the coherent state. This protocol is based on the linear optics, which is feasible in experimental technology. This protocol may be useful in quantum information based on the C-GHZ state.

引用

页数：13

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