All-optical modulation format conversion from NRZ-OOK to RZ-multilevel APSK based on fiber nonlinearity

@article{Maruta2009AllopticalMF,
  title={All-optical modulation format conversion from NRZ-OOK to RZ-multilevel APSK based on fiber nonlinearity},
  author={Akihiro Maruta and Satoru Kitagawa},
  journal={2009 IEEE/LEOS Winter Topicals Meeting Series},
  year={2009},
  pages={207-208}
}
We demonstrate an all-optical modulation format conversion from non-return-to-zero on-off-keying to return-tozero multilevel amplitude-phase-shift-keying based on parametric amplification and cross-phase modulation in optical fibers.