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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 38, Iss. 4 — Feb. 15, 2013
  • pp: 522–524

Self-stabilized quantum optical Fredkin gate

Jonathan Hu, Yu-Ping Huang, and Prem Kumar  »View Author Affiliations

Optics Letters, Vol. 38, Issue 4, pp. 522-524 (2013)

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The quantum optical Fredkin gate is an indispensable resource for networkable quantum applications. Its performance in practical implementations, however, is limited fundamentally by the inherent quantum fluctuations of the pump waves. We demonstrate a method to overcome this drawback by exploiting stimulated Raman scattering in fiber-based implementations. Using a Sagnac fiber-loop switch as a specific example, we show that high switching contrast can be maintained even in the presence of significant pump fluctuations. This unique feature of self-stabilization, together with high-speed and low-loss performance of such devices, point to a viable technology for practical quantum communications.

© 2013 Optical Society of America

OCIS Codes
(120.5790) Instrumentation, measurement, and metrology : Sagnac effect
(130.4815) Integrated optics : Optical switching devices
(270.5565) Quantum optics : Quantum communications

ToC Category:
Quantum Optics

Original Manuscript: November 5, 2012
Revised Manuscript: December 8, 2012
Manuscript Accepted: December 27, 2012
Published: February 12, 2013

Jonathan Hu, Yu-Ping Huang, and Prem Kumar, "Self-stabilized quantum optical Fredkin gate," Opt. Lett. 38, 522-524 (2013)

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