Source-induced noise in stimulated Brillouin scattering

Omer Shlomovits, Tomi Langer, Moshe Tur

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Insufficient coherence of the laser sources used in Stimulated Brillouin amplification setups not only leads to reduced gain but also to source-induced noise, affecting their performance. This paper investigates the impact of laser phase noise on the Brillouin gain, and in particular on its probability distribution function, for different values of the coherence time and fiber length. It is shown that for equally phase-noised pump and probe, their (separately) induced gain and gain fluctuations are different. The results, obtained numerically and validated experimentally, may contribute to the judicial choice of laser sources in practical Brillouin-based systems.

Original languageEnglish
Title of host publication23rd International Conference on Optical Fibre Sensors
PublisherSPIE
ISBN (Print)9781628411751
DOIs
StatePublished - 2014
Event23rd International Conference on Optical Fibre Sensors - Santander, Spain
Duration: 2 Jun 20146 Jun 2014

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume9157
ISSN (Print)0277-786X
ISSN (Electronic)1996-756X

Conference

Conference23rd International Conference on Optical Fibre Sensors
Country/TerritorySpain
CitySantander
Period2/06/146/06/14

Keywords

  • Noise
  • Nonlinear optics
  • Phase modulation
  • Stimulated Brillouin scattering

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