Projeto de um Gerador Comb para Sistemas WDM Coerentes de Alta Capacidade
(Design of a Comb Generator for High Capacity Coherent-WDM Systems)
Fábio Donati Simões (email@example.com)1, Daniel Moutinho Pataca (firstname.lastname@example.org)1, Mônica Lacerda Rocha (email@example.com)2
This paper appears in: Revista IEEE América Latina
Publication Date: April 2012
Volume: 10, Issue: 3
This paper presents a theoretical model developed
for estimating the power, the optical signal to noise ratio and the
number of generated carriers in a comb generator, having as a
reference the minimum optical signal do noise ratio at the
receiver input, for a given fiber link. Based on the recirculating
frequency shifting technique, the generator relies on the use of
coherent and orthogonal multi-carriers (Coherent-WDM) that
makes use of a single laser source (seed) for feeding high
capacity (above 100 Gb/s) systems. The theoretical model has
been validated by an experimental demonstration, where 23
comb lines with an optical signal to noise ratio ranging from 25
to 33 dB, in a spectral window of ~ 3.5 nm, are obtained.
Coherent-WDM, comb generator, high capacity optical fiber transport, orthogonal frequency division multiplexing, recirculating frequency shifting, spectral efficiency.
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