Transmission of 16 $\,\times\,$40 Gb/s NRZ-OOK Channels Over 2800-km SSMF Using Asynchronous Phase Modulation

@article{Forzati2009TransmissionO1,
  title={Transmission of 16 \$\,\times\,\$40 Gb/s NRZ-OOK Channels Over 2800-km SSMF Using Asynchronous Phase Modulation},
  author={Marco Forzati and Anders Berntson and Jonas M{\aa}rtensson and Erwan Pincemin and Paulette Gavignet},
  journal={IEEE Photonics Technology Letters},
  year={2009},
  volume={21},
  pages={131-133}
}
Transmission of 16 nonreturn-to-zero on-off keying channels at 40 Gb/s with 100-GHz spacing is demonstrated over 2800 km. This record transmission distance was made possible by the 2-dB increase in power tolerance obtained when employing the cost-effective asynchronous phase modulation technique.