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Construction scheme of a two-photon polarization controlled arbitrary phase gate mediated by weak cross-phase modulationXiao-Ming Xiu, Li Dong, Hong-Zhi Shen, Ya-Jun Gao, and X. X. Yi »View Author Affiliations
Xiao-Ming Xiu,^{1,}^{2,}^{*}
Li Dong,^{1,}^{2}
Hong-Zhi Shen,^{1}
Ya-Jun Gao,^{2}
and X. X. Yi^{1}
^{1}School of Physics and Optoelectronic Technology, Dalian University of Technology, Dalian 116024, China ^{2}Department of Physics, College of Mathematics and Physics, Bohai University, Jinzhou 121013, China ^{*}Corresponding author: xiuxiaomingdl@126.com |
JOSA B, Vol. 30, Issue 3, pp. 589-597 (2013)
http://dx.doi.org/10.1364/JOSAB.30.000589
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Abstract
We propose a construction scheme of a two-photon polarization controlled arbitrary phase gate based on weak cross-phase modulation. Assisted with weak cross-phase modulation and homodyne measurement on the coherent states, the individual photons are entangled together. Employing the combination of optical elements and classical feed-forward techniques, the target photon can have a conditionally shifted arbitrary phase with efficiency approaching nearly unity. With a large-amplitude coherent state, the high success probability of the controlled arbitrary phase gate can be guaranteed.
© 2013 Optical Society of America
OCIS Codes
(270.5565) Quantum optics : Quantum communications
(270.5568) Quantum optics : Quantum cryptography
(270.5585) Quantum optics : Quantum information and processing
ToC Category:
Quantum Optics
History
Original Manuscript: October 8, 2012
Revised Manuscript: December 4, 2012
Manuscript Accepted: January 9, 2013
Published: February 15, 2013
Citation
Xiao-Ming Xiu, Li Dong, Hong-Zhi Shen, Ya-Jun Gao, and X. X. Yi, "Construction scheme of a two-photon polarization controlled arbitrary phase gate mediated by weak cross-phase modulation," J. Opt. Soc. Am. B 30, 589-597 (2013)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-30-3-589
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References
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- Decoy-state method for subcarrier-multiplexed frequency-coded quantum key distribution (JOSAB)
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