Abstract
Starting from a recent experiment showing the transmission of 80 channels
at 100 Gb/s over transoceanic distances, we propose an experimental comparison
of solutions for reaching higher capacity. We present transmission experiments
at various spectral efficiencies ranging from 2 to 5 b/s/Hz and we compare
different error-correcting code schemes in order to clarify the impact of
different solutions on the transmission reach. The results of all the proposed
experiments lead to an analysis of the state of the art that highlights the
difficulties and the challenges of going beyond 100 Gb/s in submarine systems.
© 2012 IEEE
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