Modeling of Guided Acoustic Waveguide Brillouin Scattering Impact in Long-Haul Fiber Optic Transmission Systems

We perform analytical modelling of the GAWBS effect impact in long-haul coherent transmission systems for quasi- and deeply linear power regimes, with inclusion of Tx/Rx penalties. We show that beyond effective area, GAWBS SNR penalty depends on propagation distance, span length and fiber attenuation.