Measurement-based Quantum Repeater Network Coding

被引：5

作者：

Chen, Si-Yi ^{[1
]}

Xu, Gang ^{[2
]}

Chen, Xiu-Bo ^{[1
]}

Ahmad, Haseeb ^{[3
]}

Chen, Yu-Ling ^{[4
]}

机构：

[1] Beijing Univ Posts & Telecommun, Informat Secur Ctr, State Key Lab Networking & Switching Technol, Beijing 100876, Peoples R China

[2] North China Univ Technol, Sch Informat Sci & Technol, Beijing 100144, Peoples R China

[3] Natl Text Univ, Dept Comp Sci, Faisalabad 37610, Pakistan

[4] Guizhou Univ, Coll Comp Sci & Technol, State Key Lab Publ Big Data, Guiyang 550025, Peoples R China

来源：

INTELLIGENT AUTOMATION AND SOFT COMPUTING | 2021年 / 30卷 / 01期

关键词：

Quantum repeater network coding; graph state; Pauli measurements; local complementation; PROTOCOL;

D O I：

10.32604/iasc.2021.018120

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

Quantum network coding can effectively improve the aggregate throughput of quantum networks and alleviate bottlenecks caused by topological constraints. Most of previous schemes are dedicated to the efficient teleportation of unknown quantum states in a quantum network. Herein a proposal for transmission of deterministic known states over quantum repeater network based on quantum measurements. We show that the new protocol offers advantages over three aspects. Firstly, the senders in our protocol obtain the knowledge of the quantum state to be transmitted, which enables the autonomy of quantum network transmission. Secondly, we study the quantum repeater network coding for longdistance deterministic quantum state communication. Quantum repeater network initialization requires entanglement distribution only among neighboring nodes, greatly saving entanglement resources, channel overhead and storage costs. Thirdly, based on Pauli measurements and local complementation, new protocol realizes parallel coding operations to mitigate latency issues sufficiently. Combining quantum network coding and quantum remote state preparation technology, our protocol provides an important solution for deterministic known states transmission over large-scale quantum network in the future.

引用

页码：273 / 284

页数：12

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