16QAM transmission with 5.2 bits/s/Hz spectral efficiency over transoceanic distance.

@article{Zhang201216QAMTW,
  title={16QAM transmission with 5.2 bits/s/Hz spectral efficiency over transoceanic distance.},
  author={Huaqiang Zhang and J-X Cai and Hussam G. Batshon and Carl R. Davidson and Ya'nan Sun and Matt V. Mazurczyk and Dmitri G. Foursa and Alexei N. Pilipetskii and Georg Mohs and Neal S. Bergano},
  journal={Optics express},
  year={2012},
  volume={20 11},
  pages={
          11688-93
        }
}
  • Huaqiang Zhang, J-X Cai, +7 authors Neal S. Bergano
  • Published in Optics express 2012
  • Physics, Medicine
  • We transmit 160 x 100 G PDM RZ 16 QAM channels with 5.2 bits/s/Hz spectral efficiency over 6,860 km. There are more than 3 billion 16 QAM symbols, i.e., 12 billion bits, processed in total. Using coded modulation and iterative decoding between a MAP decoder and an LDPC based FEC all channels are decoded with no remaining errors. 

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