Multi-hop teleportation based on W state and EPR pairs

doi:10.1088/1674-1056/25/5/050305

Abstract Multi-hop teleportation has significant value due to long-distance delivery of quantum information. Many studies about multi-hop teleportation are based on Bell pairs, partially entangled pairs or W state. The possibility of multi-hop teleportation constituted by partially entangled pairs relates to the number of nodes. The possibility of multi-hop teleportation constituted by double W states is (4/9)ⁿ after n-hop teleportation. In this paper, a multi-hop teleportation scheme based on W state and EPR pairs is presented and proved. The successful possibility of quantum information transmitted hop by hop through intermediate nodes is deduced. The possibility of successful transmission is (2/3)ⁿ after n-hop teleportation.

Keywords: multi-hop teleportation W state Bell pairs

Received: 25 September 2015
Revised: 07 January 2016
Accepted manuscript online:

PACS:	03.67.Hk	(Quantum communication)
	03.65.Ud	(Entanglement and quantum nonlocality)

Fund: Project supported by the National Natural Science Foundation of China (Grant No. 61571105), the Prospective Future Network Project of Jiangsu Province, China (Grant No. BY2013095-1-18), and the Independent Project of State Key Laboratory of Millimeter Waves, China (Grant No. Z201504).

Corresponding Authors: Zai-Chen Zhang
E-mail: zczhang@seu.edu.cn

Cite this article:

Hai-Tao Zhan(占海涛), Xu-Tao Yu(余旭涛), Pei-Ying Xiong(熊佩颖), Zai-Chen Zhang(张在琛) Multi-hop teleportation based on W state and EPR pairs 2016 Chin. Phys. B 25 050305

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