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Proceedings Paper

Multi-cascaded SBS in an optical fiber supported by Rayleigh backscattering
Author(s): Andrei A. Fotiadi; Gautier Ravet; Patrice Mégret; Michel Blondel
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Paper Abstract

We performed numerical simulations in order to demonstrate that Rayleigh scattering - stimulated Brillouin scattering cooperative process (RS-SBS) can lead to generation of second-order SBS in standard telecom fibers. We give a clear physical insight into the RS-SBS mechanism and built 1-D model describing dynamics of first two SBS cascades. To our knowledge for the first time, we theoretically determine the threshold of the second-order SBS generation in the RS-SBS process and reveal how the SBS spectra, phase portraits and power distributions along the fiber evolve as the pump power grows leading to growth of the second-order SBS. Recently published experimental observations of low-threshold second order SBS in 4.4-km-long optical fiber [e.g., J.Opt.Soc.Am.B 19, 2341-2345 (2002)] are completely reproduced by our simulations.

Paper Details

Date Published: 3 May 2004
PDF: 11 pages
Proc. SPIE 5480, Laser Optics 2003: Diode Lasers and Telecommunication Systems, (3 May 2004); doi: 10.1117/12.558562
Show Author Affiliations
Andrei A. Fotiadi, Faculte Polytechnique de Mons (Belgium)
A.F. Ioffe Physical-Technical Institute (Russia)
Gautier Ravet, Faculte Polytechnique de Mons (Belgium)
Patrice Mégret, Faculte Polytechnique de Mons (Belgium)
Michel Blondel, Faculte Polytechnique de Mons (Belgium)

Published in SPIE Proceedings Vol. 5480:
Laser Optics 2003: Diode Lasers and Telecommunication Systems
Nikolay N. Rozanov; Sergey A. Gurevich, Editor(s)

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