Abstract

We propose a numerical method to accurately discriminate the influence of the different intrachannel nonlinear effects occurring in 40Gbits optical transmissions, following an analogy with methods used to discriminate WDM interchannel effects. In contrast to other studies showing the predominance of intrachannel cross-phase modulation when low-dispersion fibers are used, in our study intrachannel four-wave mixing is the most penalizing effect in all investigated cases.

© 2006 Optical Society of America

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