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http://dx.doi.org/10.3807/KJOP.2005.16.6.485

Suppression of Stimulated Brillouin Scattering in Optical Fiber using Sampled-Fiber Brags Grating  

Lee, Ho-Joon (Dept. of Information and Communication, Hoseo Univ.)
Publication Information
Korean Journal of Optics and Photonics / v.16, no.6, 2005 , pp. 485-489 More about this Journal
Abstract
I have investigated a scheme for suppressing stimulated Brillouin scattering in optical fibers. The scheme makes use of a sampled Bragg grating fabricated within the fiber used for transmitting intense Q-switched pulses. The grating is designed such that the spectrum of the Stokes pulse generated through stimulated Brillouin scattering falls entirely within its stop band. I show numerically that the number of sampled fiber Bragg gratings in 1 m is applied directly to suppressing stimulated Brillouin scattering rather than the coupling coefficient. This prevents the build up of the backward-propagating Stokes wave and mitigates the deleterious effects of stimulated Brillouin scattering. The simulation shows that 15 ns pulses with 1 kW peak power can be transmitted though a 1 m-long fiber with little energy loss using this scheme.
Keywords
Gratings; Fiber optics components; Nonlinear optics; Fibers; Stimulated Brillouin scattering;
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