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Proceedings Paper

Mitigating modulation instability in Brillouin distributed fibre sensors
Author(s): Marcelo A. Soto; Mehdi Alem; Wei Chen; Luc Thévenaz
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Paper Abstract

A thorough study of the generation of modulation instability (MI) in distributed Brillouin fibre sensors is presented. ASE noise co-propagating with the pump pulses within the MI gain spectrum has been identified to be an important factor seeding modulation instability and reducing its power threshold. The paper describes how optical narrowband filtering reduces the pump depletion resulting from MI, allowing pump pulses to propagate through longer distances in standard optical single-mode fibres.

Paper Details

Date Published: 20 May 2013
PDF: 4 pages
Proc. SPIE 8794, Fifth European Workshop on Optical Fibre Sensors, 87943J (20 May 2013); doi: 10.1117/12.2026296
Show Author Affiliations
Marcelo A. Soto, Ecole Polytechnique Fédérale de Lausanne (Switzerland)
Mehdi Alem, Ecole Polytechnique Fédérale de Lausanne (Switzerland)
Wei Chen, National Univ. of Defense Technology (China)
Luc Thévenaz, Ecole Polytechnique Fédérale de Lausanne (Switzerland)

Published in SPIE Proceedings Vol. 8794:
Fifth European Workshop on Optical Fibre Sensors
Leszek R. Jaroszewicz, Editor(s)

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