Abstract
The nonlinear effects of Mach–Zehnder modulator (MZM) and self
phase modulation (SPM), in optical orthogonal frequency division multiplexing
(OFDM) under the presence of high peak power is studied. A full coherent optical
communication system is presented and analyzed. Standard method to reduce
the peak to average power ratio (PAPR) values combined with improved technique
to mitigate the nonlinear effect, by means of optimized digital pre-distortion,
is analyzed and a full performance analysis is presented.
© 2011 IEEE
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