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

doi:10.1103/PhysRevA.73.022330

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 journal › Article › peer-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 language	English
Article number	022330
Journal	Physical Review A - Atomic, Molecular, and Optical Physics
Volume	73
Issue number	2
DOIs	https://doi.org/10.1103/PhysRevA.73.022330
Publication status	Published - 2006
Externally published	Yes

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title = "Experimental construction of optical multiqubit cluster states from Bell states",

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.",

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T1 - Experimental construction of optical multiqubit cluster states from Bell states

AU - Zhang, An Ning

AU - Lu, Chao Yang

AU - Zhou, Xiao Qi

AU - Chen, Yu Ao

AU - Zhao, Zhi

AU - Yang, Tao

AU - Pan, Jian Wei

PY - 2006

Y1 - 2006

N2 - 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.

AB - 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.

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Experimental construction of optical multiqubit cluster states from Bell states

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