A simple carrier-phase estimation technique for high-speed RSOA-based coherent WDM PON

@article{Hong2013ASC,
  title={A simple carrier-phase estimation technique for high-speed RSOA-based coherent WDM PON},
  author={Ui Hyun Hong and K. Y. Cho and Haewook Choi and Y. C. Chung},
  journal={2013 Optical Fiber Communication Conference and Exposition and the National Fiber Optic Engineers Conference (OFC/NFOEC)},
  year={2013},
  pages={1-3}
}
We propose a simple carrier phase estimation technique for the phase-modulated signal generated by using bandwidth-limited RSOA. By using this technique, we demonstrate 25.78-Gb/s QPSK upstream transmission in 60-km reach coherent RSOA-based WDM PON. 
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