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The feasibility of optical amplification solutions for extended reach next generation access networks in C + L bands is studied. Amplification schemes based on Raman fiber amplifier and their combination with remotely pumped erbium-doped fiber amplifiers are assessed and optimized. The results concerning a ring with 80 km for rural scenario demonstrate gain equalization over a bandwidth of 50 nm. The survey was complemented with experimental results
CitationGirão, J. [et al.]. C + L band extended reach amplified next generation access networks. "Microwave and optical technology letters", Juliol 2011, vol. 53, núm. 10, p. 2414-2418.
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