Measurement of the phase noise tracking capability of a digital coherent receiver

@article{Sjodin2011MeasurementOT,
  title={Measurement of the phase noise tracking capability of a digital coherent receiver},
  author={Martin Sjodin and Henk Wymeersch and Pontus Johannisson and Magnus Karlsson and Peter A. Andrekson},
  journal={2011 37th European Conference and Exhibition on Optical Communication},
  year={2011},
  pages={1-3}
}
We present a method to evaluate the phase noise tracking performance of a digital coherent receiver. Measurements of the phase error variance of QPSK at different symbol rates are presented for two different algorithms.