## Highly efficient optical Fredkin gate with weak nonlinearities and classical information feed-forward |

JOSA B, Vol. 30, Issue 2, pp. 355-361 (2013)

http://dx.doi.org/10.1364/JOSAB.30.000355

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### Abstract

A scheme is proposed to implement the optical quantum Fredkin gate with weak
nonlinearities and feed-forward. The distinctive feature of the present scheme
is that the present Fredkin gate has four sets of possible output ports, and the
total success probability for each set of the output ports is near 1/4 without
ancillary single-photon. The present scheme requires nonlinear strength of the
order of

© 2013 Optical Society of America

**OCIS Codes**

(190.3270) Nonlinear optics : Kerr effect

(270.5585) Quantum optics : Quantum information and processing

**ToC Category:**

Nonlinear Optics

**History**

Original Manuscript: July 26, 2012

Revised Manuscript: December 9, 2012

Manuscript Accepted: December 10, 2012

Published: January 16, 2013

**Citation**

Meng-Zheng Zhu and Xin-Guo Yin, "Highly efficient optical Fredkin gate with weak nonlinearities and classical information feed-forward," J. Opt. Soc. Am. B **30**, 355-361 (2013)

http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-30-2-355

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