System impact of group-delay ripple in single and cascaded chirped FBGs

Abstract
We experimentally show the system impact of group-delay ripple on system performance when considering a single fibre Bragg grating (FBG) and cascaded FBGs. We find that, for single gratings with different GD ripple, shorter pulse-widths can reduce the penalty induced by GD ripple, meanwhile, the impact of ripple becomes more and more serious as the data rate increases.

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