Mitigating modulation instability in Brillouin distributed fibre sensors

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.


Publié dans:
Proc. SPIE 8794. Fifth European Workshop on Optical Fibre Sensors, 87943J
Présenté à:
Fifth European Workshop on Optical Fibre Sensors, Krakow, Poland, May, 2013
Année
2013
Publisher:
Bellingham, Spie-Int Soc Optical Engineering
ISBN:
978-0-8194-9634-8
Mots-clefs:
Laboratoires:




 Notice créée le 2013-06-30, modifiée le 2019-08-12

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