We perform a full numerical characterisation of half-open cavity random DFB Raman fibre laser amplifier schemes for WDM transmission in terms of signal power variation, noise and nonlinear impairments, showcasing the excellent potential of this scheme to provide amplification for DWDM transmission with very low gain variation.
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Funding: EU through the Marie Skłodowska-Curie IF CHAOS (658982); FP7 ITN programme ICONE (608099); EPSRC programme UNLOC (EP/J017582/1); Spanish MINECO TEC-27314 (RA-MAS) and SINFOTON (S2013/MIT-2790-SINFOTON-CM).