Multi-cascaded SBS in an optical fiber supported by Rayleigh backscattering

Andrei A. Fotiadi; Gautier Ravet; Patrice Mégret; Michel Blondel

doi:10.1117/12.558562

3 May 2004 Multicascaded SBS in an optical fiber supported by Rayleigh backscattering

Andrei A. Fotiadi, Gautier Ravet, Patrice Mégret, Michel Blondel

Proceedings Volume 5480, Laser Optics 2003: Diode Lasers and Telecommunication Systems; (2004) https://doi.org/10.1117/12.558562
Event: Laser Optics 2003, 2003, St. Petersburg, Russian Federation

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.

Citation Download Citation

Andrei A. Fotiadi, Gautier Ravet, Patrice Mégret, and Michel Blondel "Multicascaded SBS in an optical fiber supported by Rayleigh backscattering", Proc. SPIE 5480, Laser Optics 2003: Diode Lasers and Telecommunication Systems, (3 May 2004); https://doi.org/10.1117/12.558562

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