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Proceedings Paper

Mitigation of modulation instability in Brillouin distributed fiber sensors by using orthogonal polarization pulses
Author(s): Javier Urricelqui; Mehdi Alem; Mikel Sagues; Luc Thévenaz; Alayn Loayssa; Marcelo A. Soto
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Paper Abstract

A technique based on the use of orthogonally-polarized pulses is proposed to mitigate the detrimental impact of modulation instability on Brillouin distributed fiber sensors. While the theoretical underpinnings of the method are described by introducing a detailed model for the vector modulation instability, the technique is experimentally validated in a 25-km sensing link. Numerical and experimental results demonstrate that the use of orthogonally-polarized pulses not only mitigates the impact of modulation instability, but also the four-wave mixing occurring in systems using pumps with parallel polarization; thus, providing an important sensing range enhancement with a reduced pump depletion.

Paper Details

Date Published: 28 September 2015
PDF: 4 pages
Proc. SPIE 9634, 24th International Conference on Optical Fibre Sensors, 963433 (28 September 2015); doi: 10.1117/12.2195292
Show Author Affiliations
Javier Urricelqui, Univ. Pública de Navarra (Spain)
Mehdi Alem, École Polytechnique Fédérale de Lausanne (Switzerland)
Mikel Sagues, Univ. Pública de Navarra (Spain)
Luc Thévenaz, École Polytechnique Fédérale de Lausanne (Switzerland)
Alayn Loayssa, Univ. Pública de Navarra (Spain)
Marcelo A. Soto, École Polytechnique Fédérale de Lausanne (Switzerland)


Published in SPIE Proceedings Vol. 9634:
24th International Conference on Optical Fibre Sensors
Hypolito José Kalinowski; José Luís Fabris; Wojtek J. Bock, Editor(s)

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