Scheme for implementing economical phase-covariant quantum cloning machine of distant atomic qubits with single-photon interference

doi:10.1088/1674-1056/22/5/050305

Abstract By means of the cavity-assisted photon interference, a simple scheme is proposed to implement symmetric economical phase-covariant quantum cloning machine of two remote qubits, with each in a separate cavity. With our present scheme, a high-fidelity cloning machine is realized. Our scheme may be quite useful in terms of the distributed quantum information processing.

Keywords: economical phase-covariant quantum cloning machine distant atomic qubits single-photon interference

Received: 16 September 2012
Revised: 02 December 2012
Accepted manuscript online:

PACS:	03.67.-a	(Quantum information)
	03.67.Hk	(Quantum communication)

Corresponding Authors: Zhou Yan-Hui
E-mail: yanhuizhou@126.com

Cite this article:

Zhou Yan-Hui (周彦辉), Wang Lei (王磊), Lai Xiao-Lei (赖晓磊) Scheme for implementing economical phase-covariant quantum cloning machine of distant atomic qubits with single-photon interference 2013 Chin. Phys. B 22 050305

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Scheme for implementing economical phase-covariant quantum cloning machine of distant atomic qubits with single-photon interference

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