Teleportation of an Unknown Four-Qubit Cluster State Based on Cluster States With Minimum Resource

Abstract

In this paper, we first present a scheme for teleporting an unknown four-qubit cluster state via a cluster state chain between two distant nodes, which do not share entanglement pairs directly. Adjacent nodes are linked by a partially entangled four-qubit cluster state with each other. In our scheme, we deduce the relationship between the coefficients of the entangled cluster states and the success probability of teleportation. Moreover, we derive the unitary matrixes for establishing direct channel between two distant nodes, which reduce the computational complexity and resource consumption significantly. By performing entanglement swapping simultaneously, our scheme is more flexible and efficient than most existing schemes.INDEX TERMS Multi-hop teleportation scheme, four-qubit cluster state, quantum entanglement, minimum resource.LING-YUN CAO was born in 1994. She is currently pursuing the master's degree with Soochow University, China. Her research interests include quantum communication and quantum teleportation.

Multi-hop quantum operation teleportation via different high-level partially entangled channels

“…In 2014, Wang et al [17] came up with a scheme for achieving long-distance quantum teleportation based on arbitrary Bell pairs in quantum networks in a multi-hop way. Subsequently, the multi-hop quantum teleportation have been proposed by means of Bell states [18][19][20], GHZ states [21][22][23], W states [24,25], cluster states [26,27], and Werner states [28] successively.…”