Pulse-Shaping With Digital, Electrical, and Optical Filters—A Comparison

@article{Schmogrow2013PulseShapingWD,
  title={Pulse-Shaping With Digital, Electrical, and Optical Filters—A Comparison},
  author={Rene Schmogrow and Shalva Ben-Ezra and Philipp C. Schindler and Bernd Nebendahl and Christian Koos and Wolfgang Freude and Juerg Leuthold},
  journal={Journal of Lightwave Technology},
  year={2013},
  volume={31},
  pages={2570-2577}
}
We investigate the performance of sinc-shaped QPSK signal pulses generated in the digital, electrical, and optical domains. To this end an advanced transmitter with a digital pulse-shaper is compared to analog transmitters relying on pulse-shaping with electrical and optical filters, respectively. The signal quality is assessed within a single carrier setup as well as within an ultra-densely spaced WDM arrangement comprising three channels. An advanced receiver providing additional digital… CONTINUE READING

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