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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Vol. 21, Iss. 6 — Jun. 1, 2004
  • pp: 1156–1160

Influence of modulation instability on distributed optical fiber sensors based on spontaneous Brillouin scattering

Mohamed N. Alahbabi, Yuh Tat Cho, Trevor P. Newson, Peter C. Wait, and Arthur H. Hartog  »View Author Affiliations


JOSA B, Vol. 21, Issue 6, pp. 1156-1160 (2004)
http://dx.doi.org/10.1364/JOSAB.21.001156


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Abstract

The performance of distributed fiber sensors based on spontaneous Brillouin scattering is largely determined by the peak power governed by nonlinear thresholds that can be launched into the sensing fiber. Our investigations show that, in long-range (>20-km) sensors that use a standard single-mode fiber operating at 1.5 μm, modulation instability can limit the acceptable pulse power to below 100 mW. Using a nonzero dispersion-shifted fiber with negative dispersion we can avoid this problem and obtain a ninefold increase in launched power.

© 2004 Optical Society of America

OCIS Codes
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(060.4370) Fiber optics and optical communications : Nonlinear optics, fibers
(290.1350) Scattering : Backscattering
(290.5830) Scattering : Scattering, Brillouin

Citation
Mohamed N. Alahbabi, Yuh Tat Cho, Trevor P. Newson, Peter C. Wait, and Arthur H. Hartog, "Influence of modulation instability on distributed optical fiber sensors based on spontaneous Brillouin scattering," J. Opt. Soc. Am. B 21, 1156-1160 (2004)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-21-6-1156


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References

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