Distributed wireless quantum communication networks with partially entangled pairs

doi:10.1088/1674-1056/23/1/010303

Chin. Phys. B ›› 2014, Vol. 23 ›› Issue (1): 10303-010303.doi: 10.1088/1674-1056/23/1/010303

Distributed wireless quantum communication networks with partially entangled pairs

余旭涛^a, 张在琛^a, 徐进^b

a School of Information Science and Engineering, Southeast University, Nanjing 210096, China;
b Department of Physics, Southeast University, Nanjing 210096, China

收稿日期:2013-07-27 修回日期:2013-09-19 出版日期:2013-11-12 发布日期:2013-11-12
基金资助:
Project supported by the Science Fund for Creative Research Groups of the National Natural Science Foundation of China (Grant No. 60921063) and the National High Technology Research and Development Program of China (Grant No. 2013AA013601).

Distributed wireless quantum communication networks with partially entangled pairs

Yu Xu-Tao (余旭涛)^a, Zhang Zai-Chen (张在琛)^a, Xu Jin (徐进)^b

a School of Information Science and Engineering, Southeast University, Nanjing 210096, China;
b Department of Physics, Southeast University, Nanjing 210096, China

Received:2013-07-27 Revised:2013-09-19 Online:2013-11-12 Published:2013-11-12
Contact: Yu Xu-Tao E-mail:yuxutao@seu.edu.cn
Supported by:
Project supported by the Science Fund for Creative Research Groups of the National Natural Science Foundation of China (Grant No. 60921063) and the National High Technology Research and Development Program of China (Grant No. 2013AA013601).

摘要/Abstract

摘要： Wireless quantum communication networks transfer quantum state by teleportation. Existing research focuses on maximal entangled pairs. In this paper, we analyse the distributed wireless quantum communication networks with partially entangled pairs. A quantum routing scheme with multi-hop teleportation is proposed. With the proposed scheme, is not necessary for the quantum path to be consistent with the classical path. The quantum path and its associated classical path are established in a distributed way. Direct multi-hop teleportation is conducted on the selected path to transfer a quantum state from the source to the destination. Based on the feature of multi-hop teleportation using partially entangled pairs, if the node number of the quantum path is even, the destination node will add another teleportation at itself. We simulated the performance of distributed wireless quantum communication networks with a partially entangled state. The probability of transferring the quantum state successfully is statistically analyzed. Our work shows that multi-hop teleportation on distributed wireless quantum networks with partially entangled pairs is feasible.

关键词: distributed wireless quantum communication networks, partially entangled pairs, routing, multi-hop teleportation

Abstract: Wireless quantum communication networks transfer quantum state by teleportation. Existing research focuses on maximal entangled pairs. In this paper, we analyse the distributed wireless quantum communication networks with partially entangled pairs. A quantum routing scheme with multi-hop teleportation is proposed. With the proposed scheme, is not necessary for the quantum path to be consistent with the classical path. The quantum path and its associated classical path are established in a distributed way. Direct multi-hop teleportation is conducted on the selected path to transfer a quantum state from the source to the destination. Based on the feature of multi-hop teleportation using partially entangled pairs, if the node number of the quantum path is even, the destination node will add another teleportation at itself. We simulated the performance of distributed wireless quantum communication networks with a partially entangled state. The probability of transferring the quantum state successfully is statistically analyzed. Our work shows that multi-hop teleportation on distributed wireless quantum networks with partially entangled pairs is feasible.

Key words: distributed wireless quantum communication networks, partially entangled pairs, routing, multi-hop teleportation

中图分类号: (Quantum communication)

03.67.Hk

42.50.Ex (Optical implementations of quantum information processing and transfer)

余旭涛, 张在琛, 徐进. Distributed wireless quantum communication networks with partially entangled pairs[J]. Chin. Phys. B, 2014, 23(1): 10303-010303.

Yu Xu-Tao (余旭涛), Zhang Zai-Chen (张在琛), Xu Jin (徐进). Distributed wireless quantum communication networks with partially entangled pairs[J]. Chin. Phys. B, 2014, 23(1): 10303-010303.

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Distributed wireless quantum communication networks with partially entangled pairs

Distributed wireless quantum communication networks with partially entangled pairs

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