Experimental construction of optical multiqubit cluster states from Bell states

An Ning Zhang*, Chao Yang Lu, Xiao Qi Zhou, Yu Ao Chen, Zhi Zhao, Tao Yang, Jian Wei Pan

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

66 Citations (Scopus)

Abstract

Cluster states serve as the central physical resource for one-way quantum computing. We here present an experimental demonstration of the efficient cluster-state construction scheme proposed by Browne and Rudolph. In our experiment, three-photon cluster states with high purity are created from two Bell states via a qubit "fusion" operation, showing a strong violation of a three-particle Mermin inequality of lAl =3.10±0.03. In addition, the entanglement properties of the cluster states are examined under σz and σx measurements on a qubit. This scheme could be extended to any desired number of qubits and represents an essential step for the optical one-way quantum computation.

Original languageEnglish
Article number022330
JournalPhysical Review A - Atomic, Molecular, and Optical Physics
Volume73
Issue number2
DOIs
Publication statusPublished - 2006
Externally publishedYes

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