Abstract:In this work, by using a comprehensive numerical model which rigorously describes the interaction between stimulated Raman scattering (SRS) and four-wave mixing (FWM), we verify that FWM processes, including depletion and parametric gain, generate a redistribution of pump power in distributed fiber Raman amplifiers (DFRAs). As a consequence of pump-pump FWM, several FWM components can be generated, which act as new sources of SRS for Raman pumping. Due to new SRS-FWM interactions, a redistribution and exchange… Show more
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