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Optics Express

Optics Express

  • Vol. 16, Iss. 16 — Aug. 4, 2008
  • pp: 12272–12277

Abnormally low threshold gain of stimulated Brillouin scattering in long optical fiber with feedback

V. I. Kovalev and R. G. Harrison  »View Author Affiliations


Optics Express, Vol. 16, Issue 16, pp. 12272-12277 (2008)
http://dx.doi.org/10.1364/OE.16.012272


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Abstract

We show that in the generation of stimulated Brillouin scattering (SBS) in long (>1km) fiber, the threshold for observing coherent Stokes emission occurs at notably lower gain than the classical lasing threshold gain for SBS. The effect is due coherent regenerative amplification of strong spontaneous Brillouin scattering, which occurs in the presence of feedback. The magnitude of the effect scales with the length of interaction.

© 2008 Optical Society of America

OCIS Codes
(060.4370) Fiber optics and optical communications : Nonlinear optics, fibers
(290.5900) Scattering : Scattering, stimulated Brillouin

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: March 19, 2008
Revised Manuscript: July 15, 2008
Manuscript Accepted: July 23, 2008
Published: August 1, 2008

Citation
V. I. Kovalev and R. G. Harrison, "Abnormally low threshold gain of stimulated Brillouin scattering in long optical fiber with feedback," Opt. Express 16, 12272-12277 (2008)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-16-16-12272


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