Mitigation of modulation instability in Brillouin distributed fiber sensors by using orthogonal polarization pulses

Javier Urricelqui; Mehdi Alem; Mikel Sagues; Luc Thévenaz; Alayn Loayssa; Marcelo A. Soto

doi:10.1117/12.2195292

28 September 2015 Mitigation of modulation instability in Brillouin distributed fiber sensors by using orthogonal polarization pulses

Javier Urricelqui, Mehdi Alem, Mikel Sagues, Luc Thévenaz, Alayn Loayssa, Marcelo A. Soto

Author Affiliations +

Proceedings Volume 9634, 24th International Conference on Optical Fibre Sensors; 963433 (2015) https://doi.org/10.1117/12.2195292
Event: International Conference on Optical Fibre Sensors (OFS24), 2015, Curitiba, Brazil

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.

Citation Download Citation

Javier Urricelqui, Mehdi Alem, Mikel Sagues, Luc Thévenaz, Alayn Loayssa, and Marcelo A. Soto "Mitigation of modulation instability in Brillouin distributed fiber sensors by using orthogonal polarization pulses", Proc. SPIE 9634, 24th International Conference on Optical Fibre Sensors, 963433 (28 September 2015); https://doi.org/10.1117/12.2195292

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