Abstract
Theoretical and experimental results on the use of intensity- and
phase-modulated pump in single-mode optical fibers for Brillouin-based
distributed sensing are reported. A simple analytic solution is found for
both types of modulation in sinusoidal regime, permitting to gain physical
insight into the mechanisms involved in stimulated Brillouin scattering
(SBS) interaction. Experimental results on SBS excited by a phase-modulated
pump in sinusoidal regime are reported for the first time.
© 2009 IEEE
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