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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Anthony J. Campillo
  • Vol. 32, Iss. 18 — Sep. 15, 2007
  • pp: 2701–2703

Delay–gain decoupling in Brillouin-assisted slow light

César Jáuregui, Periklis Petropoulos, and David J. Richardson  »View Author Affiliations


Optics Letters, Vol. 32, Issue 18, pp. 2701-2703 (2007)
http://dx.doi.org/10.1364/OL.32.002701


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Abstract

In Brillouin-assisted slow-light the induced delay is always linked to a particular gain; i.e., the delay is directly proportional to the gain expressed in decibels. However, for certain applications this may be restrictive, and techniques to decouple gain and delay are thus of considerable practical interest. We propose a way to effectively decouple these two parameters that, subject to inherent physical constraints, can be used to obtain a delay line capable of providing arbitrary gain (or alternatively an amplifier that can provide arbitrary delay for a fixed gain). The decoupling mechanism relies upon operating the amplifier in the pump-depletion regime. Other advantages of this approach, as well as its limitations in the context of slow-light, are discussed.

© 2007 Optical Society of America

OCIS Codes
(060.2310) Fiber optics and optical communications : Fiber optics
(060.4370) Fiber optics and optical communications : Nonlinear optics, fibers
(070.6020) Fourier optics and signal processing : Continuous optical signal processing
(290.5900) Scattering : Scattering, stimulated Brillouin
(350.5500) Other areas of optics : Propagation

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: May 23, 2007
Revised Manuscript: August 3, 2007
Manuscript Accepted: August 10, 2007
Published: September 6, 2007

Citation
César Jáuregui, Periklis Petropoulos, and David J. Richardson, "Delay-gain decoupling in Brillouin-assisted slow light," Opt. Lett. 32, 2701-2703 (2007)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-32-18-2701

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