Abstract
We introduce a fully deterministic computationally efficient method for characterizing the effect of
nonlinearity in optical fiber transmission systems that utilize wavelength division multiplexing and return-to-zero
(RZ) modulation. The method is based on a probability analysis of the bit patterns, and it accurately accounts for
bit-pattern-dependence effect due to both nonlinearly induced amplitude and timing jitter. We apply this method in
calculating the error probability in a prototypical multichannel RZ undersea system in the presence of both
nonlinear distortion and amplifier noise.
© 2007 IEEE
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