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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 35, Iss. 14 — Jul. 15, 2010
  • pp: 2376–2378

Interaction-free all-optical switching in χ ( 2 ) microdisks for quantum applications

Yu-Ping Huang and Prem Kumar  »View Author Affiliations


Optics Letters, Vol. 35, Issue 14, pp. 2376-2378 (2010)
http://dx.doi.org/10.1364/OL.35.002376


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Abstract

We propose a quantum switch for telecom-band applications that is composed of a χ ( 2 ) microdisk coupled to two fibers (or waveguides). The idea is to apply a pump pulse to shift the microdisk out of resonance, thereby switching the device between the cross and bar states in an interaction-free manner. As an example, a 2.5-μm-thick, 10 μm radius GaAs microdisk with an intrinsic Q of 10 8 and a fiber-cavity-coupling Q of 10 4 can achieve low-loss ( 1 % ) switching for gigahertz-rate O-band quantum signals with milliwatt-peak-power pumps in the C band.

© 2010 Optical Society of America

OCIS Codes
(190.0190) Nonlinear optics : Nonlinear optics
(130.4815) Integrated optics : Optical switching devices
(270.5565) Quantum optics : Quantum communications

ToC Category:
Quantum Optics

History
Original Manuscript: March 17, 2010
Revised Manuscript: April 23, 2010
Manuscript Accepted: June 10, 2010
Published: July 8, 2010

Citation
Yu-Ping Huang and Prem Kumar, "Interaction-free all-optical switching in χ(2)microdisks for quantum applications," Opt. Lett. 35, 2376-2378 (2010)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-35-14-2376

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