Efficient quantum multi-hop communication based on Greenberger-Horne-Zeilinger states and Bell states

被引：17
作者：
Yang, Yong-Li [1 ]
Yang, Yu-Guang [1 ,2 ]
Zhou, Yi-Hua [1 ]
Shi, Wei-Min [1 ]
Li, Jian [3 ]
机构：
[1] Beijing Univ Technol, Fac Informat Technol, Beijing 100124, Peoples R China
[2] Beijing Key Lab Trusted Comp, Beijing 100124, Peoples R China
[3] Beijing Univ Posts & Telecommun, Sch Artificial Intelligence, Beijing 100876, Peoples R China
来源：
QUANTUM INFORMATION PROCESSING | 2021年 / 20卷 / 05期
基金：
中国国家自然科学基金;
关键词：
Quantum wireless networks; Multi-hop networks; Greenberger– Horne– Zeilinger states; W STATE; TELEPORTATION; COMPOSITE;
D O I：
10.1007/s11128-021-03121-0
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
A novel quantum multi-hop communication scheme is proposed based on multi-qubit Greenberger-Horne-Zeilinger (GHZ) states and Bell states. We first propose a method where a GHZ state of arbitrary scale is generated efficiently by combining small-scale GHZ states via Bell-state measurements in a distributed manner. Based on this, we present an efficient and economical multi-hop quantum communication protocol. Finally, our scheme is compared with existing quantum multi-hop communication schemes in terms of communication efficiency.
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页数：14
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