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Optics Letters

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  • Editor: Alan E. Willner
  • Vol. 38, Iss. 9 — May. 1, 2013
  • pp: 1373–1375

Fast, optically controlled Kerr phase shifter for digital signal processing

R. B. Li, L. Deng, E. W. Hagley, M. G. Payne, J. C. Bienfang, and Z. H. Levine  »View Author Affiliations


Optics Letters, Vol. 38, Issue 9, pp. 1373-1375 (2013)
http://dx.doi.org/10.1364/OL.38.001373


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Abstract

We demonstrate an optically controlled Kerr phase shifter using a room-temperature Rb85 vapor operating in a Raman gain scheme. Phase shifts from zero to π relative to an unshifted reference wave are observed, and gated operations are demonstrated. We further demonstrate the versatile digital manipulation of encoded signal light with an encoded phase-control light field using an unbalanced Mach–Zehnder interferometer. Generalizations of this scheme should be capable of full manipulation of a digitized signal field at high speed, opening the door to future applications.

© 2013 Optical Society of America

OCIS Codes
(190.0190) Nonlinear optics : Nonlinear optics
(200.2605) Optics in computing : Free-space optical communication

ToC Category:
Optics in Computing

History
Original Manuscript: February 26, 2013
Revised Manuscript: March 19, 2013
Manuscript Accepted: March 20, 2013
Published: April 18, 2013

Citation
R. B. Li, L. Deng, E. W. Hagley, M. G. Payne, J. C. Bienfang, and Z. H. Levine, "Fast, optically controlled Kerr phase shifter for digital signal processing," Opt. Lett. 38, 1373-1375 (2013)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-38-9-1373


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