Beyond 40-GHz Return-to-Zero Optical Pulse-Train Generation Using a Phase Modulator and Polarization-Maintaining Fiber

@article{Yu2007Beyond4R,
  title={Beyond 40-GHz Return-to-Zero Optical Pulse-Train Generation Using a Phase Modulator and Polarization-Maintaining Fiber},
  author={Changyuan Yu and Zhaoliang Pan and Ting Luo and Yingying Wang and Louis C Christen and A. E. Willner},
  journal={IEEE Photonics Technology Letters},
  year={2007},
  volume={19},
  pages={42-44}
}
We demonstrate chirp-free high-speed return-to-zero optical pulse-train generation with a repetition rate of 40 and 80GHz using a phase modulator driven by an electrical clock at half frequency and a single piece of polarization-maintaining fiber