A full-duplex symmetric WDM-PON featuring OSSB downlink modulation with optical down-conversion

@article{Presi2008AFS,
  title={A full-duplex symmetric WDM-PON featuring OSSB downlink modulation with optical down-conversion},
  author={Marco Presi and Roberto Proietti and Antonio D'Errico and G. Contestabile and Ernesto Ciaramella and Fabio Cavaliere},
  journal={OFC/NFOEC 2008 - 2008 Conference on Optical Fiber Communication/National Fiber Optic Engineers Conference},
  year={2008},
  pages={1-3}
}
We demonstrate a full-duplex, bandwidth symmetric WDM PON based on periodic filtering and reflective ONUs. It features an all-optical down-converted downlink optical single side band modulation and reuses the carrier for upstream colorless remodulation.