Optimized filtering for AMI-RZ and DCS-RZ SSB signals in 40-Gb/s/ch-based UDWDM systems

@article{Charrua2005OptimizedFF,
  title={Optimized filtering for AMI-RZ and DCS-RZ SSB signals in 40-Gb/s/ch-based UDWDM systems},
  author={P.M.A. Charrua and A. V. T. Cartaxo},
  journal={IEEE Photonics Technology Letters},
  year={2005},
  volume={17},
  pages={223-225}
}
Optical sideband suppression filtering is proposed for alternate-mark-inversion return-to-zero (AMI-RZ) and duobinary-carrier-suppressed-RZ (DCS-RZ) coding formats as a solution for improving the performance of 40-Gb/s/channel with 50-GHz channel spacing wavelength-division-multiplexing systems. A suppressed sideband power ratio exceeding 20 dB is achieved by both formats; hence, these filtered signals are single-sideband (SSB) signals. Simulation results reveal that AMI-RZ-SSB and DCS-RZ-SSB… CONTINUE READING

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