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Proceedings Paper

Source-induced noise in stimulated Brillouin scattering
Author(s): Omer Shlomovits; Tomi Langer; Moshe Tur
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Paper 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.

Paper Details

Date Published: 2 June 2014
PDF: 4 pages
Proc. SPIE 9157, 23rd International Conference on Optical Fibre Sensors, 915772 (2 June 2014); doi: 10.1117/12.2059527
Show Author Affiliations
Omer Shlomovits, Tel-Aviv Univ. (Israel)
Tomi Langer, Tel-Aviv Univ. (Israel)
Moshe Tur, Tel-Aviv Univ. (Israel)

Published in SPIE Proceedings Vol. 9157:
23rd International Conference on Optical Fibre Sensors
José M. López-Higuera; Julian D. C. Jones; Manuel López-Amo; José Luis Santos, Editor(s)

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