Journal
JOURNAL OF LIGHTWAVE TECHNOLOGY
Volume 32, Issue 23, Pages 3942-3950Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/JLT.2014.2361357
Keywords
Fiber nonlinear optics; optical fiber communication; optical fiber networks; wavelength-division multiplexing (WDM)
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A low-complexity model for signal quality prediction in a nonlinear fiber-optic network is developed. The model, which builds on the Gaussian noise model, takes into account the signal degradation caused by a combination of chromatic dispersion, nonlinear signal distortion, and amplifier noise. The center frequencies, bandwidths, and transmit powers can be chosen independently for each channel, which makes the model suitable for analysis and optimization of resource allocation and routing in large-scale optical networks applying flexible-grid wavelength-division multiplexing.
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