Low-Complexity Tracking of Laser and Nonlinear Phase Noise in WDM Optical Fiber Systems

@article{Yankov2015LowComplexityTO,
  title={Low-Complexity Tracking of Laser and Nonlinear Phase Noise in WDM Optical Fiber Systems},
  author={Metodi Plamenov Yankov and Tobias Fehenberger and Luca Barletta and Norbert Hanik},
  journal={Journal of Lightwave Technology},
  year={2015},
  volume={33},
  pages={4975-4984}
}
In this paper, the wavelength division multiplexed (WDM) fiber optic channel is considered. It is shown that for ideal distributed Raman amplification (IDRA), the Wiener process model is suitable for the non-linear phase noise due to cross phase modulation from neighboring channels. Based on this model, a phase noise tracking algorithm is presented. We approximate the distribution of the phase noise at each time instant by a mixture of Tikhonov distributions, and derive a closed form expression… CONTINUE READING
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