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Optimal symmetric quantum cloning machine with nonlinear optics |
JOSA B, Vol. 30, Issue 1, pp. 123-126 (2013)
http://dx.doi.org/10.1364/JOSAB.30.000123
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Abstract
We propose a scheme to accomplish the optimal symmetric quantum cloning machine using a weak cross-Kerr nonlinearity effect without ancillary photons. Normal coherence probe beam and highly efficient homodyne detection are used to construct this near-deterministic equipment. Feed-forward and feed-backward processes are used to improve the efficiency of success. This device can be used for deterministic implementation of both northern and southern hemispheres optimal cloning transformation by adjusting some devices of the quantum circuit conveniently. The actual feasibility of this scheme with current experiment technology in theory is also discussed.
© 2012 Optical Society of America
OCIS Codes
(270.0270) Quantum optics : Quantum optics
(270.5585) Quantum optics : Quantum information and processing
ToC Category:
Nonlinear Optics
History
Original Manuscript: August 22, 2012
Manuscript Accepted: September 22, 2012
Published: December 12, 2012
Citation
Chun-Yan Li, Zu-Rong Zhang, Shi-Hai Sun, Mu-Sheng Jiang, and Lin-Mei Liang, "Optimal symmetric quantum cloning machine with nonlinear optics," J. Opt. Soc. Am. B 30, 123-126 (2013)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-30-1-123
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