Abstract
We examine the effectiveness of using nonlinear optical loop mirrors
(NOLMs) to reduce the intersymbol interference in dispersion-managed (DM)
fiber communication systems compensated by chirped fiber gratings (CFGs) with
group delay ripples (GDR). We show that the use of NOLMs can enhance the transmission
performance by more than one order of magnitude in the presence of amplifier
noise and random variations in the parameters of the GDR in CFGs. We found
that transoceanic transmissions can be achieved when NOLMs are included in
the DM optical fiber transmission line compensated by CFGs with GDR whose
parameters vary randomly along the transmission line.
© 2008 IEEE
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