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

Influence of modulation instability on distributed optical fiber sensors based on spontaneous Brillouin scattering
Influence of modulation instability on distributed optical fiber sensors based on spontaneous Brillouin scattering
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.
0740-3224
1156-1160
Alahbabi, Mohammed N.
eb6eabf6-b8b1-4afe-947c-772f2336baf5
Cho, Yuh Tat
5d7e31ad-6b59-4edb-b82f-98d5a37f2af0
Newson, Trevor P.
6735857e-d947-45ec-8163-54ebb25daad7
Wait, Peter C.
8f797344-b725-4ea0-8fa9-6440d3946a38
Hartog, Arthur H.
9358a5af-0af0-4d70-ac71-10a02ba85043
Alahbabi, Mohammed N.
eb6eabf6-b8b1-4afe-947c-772f2336baf5
Cho, Yuh Tat
5d7e31ad-6b59-4edb-b82f-98d5a37f2af0
Newson, Trevor P.
6735857e-d947-45ec-8163-54ebb25daad7
Wait, Peter C.
8f797344-b725-4ea0-8fa9-6440d3946a38
Hartog, Arthur H.
9358a5af-0af0-4d70-ac71-10a02ba85043

Alahbabi, Mohammed N., Cho, Yuh Tat, Newson, Trevor P., Wait, Peter C. and Hartog, Arthur H. (2004) Influence of modulation instability on distributed optical fiber sensors based on spontaneous Brillouin scattering. Journal of the Optical Society of America B, 21 (6), 1156-1160. (doi:10.1364/JOSAB.21.001156).

Record type: Article

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.

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Published date: June 2004

Identifiers

Local EPrints ID: 13944
URI: https://eprints.soton.ac.uk/id/eprint/13944
ISSN: 0740-3224
PURE UUID: 226ab151-c6af-482b-8b00-9c55606e233c

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Date deposited: 31 Dec 2004
Last modified: 18 Jul 2019 12:48

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