1-Tb/s dual-carrier 80-GBaud PDM-16QAM WDM transmission at 5.2 b/s/Hz over 3200 km

@article{Raybon20121TbsD8,
  title={1-Tb/s dual-carrier 80-GBaud PDM-16QAM WDM transmission at 5.2 b/s/Hz over 3200 km},
  author={Gregory Raybon and Sebastian Randel and Andrew Adamiecki and P. J. Winzer and Linda P. Salamanca and R{\"u}diger L. Urbanke and Sethumadhavan Chandrasekhar and Agnicszka Konczykowska and Filipe Jorge and J. Y. Dupuy and L. L. Buhl and Steve Draving and Marty J. Grove and Kenneth Rush},
  journal={IEEE Photonics Conference 2012},
  year={2012},
  pages={1-2}
}
We demonstrate a 1-Tb/s dual-carrier PDM-16QAM interface (all-electronic 80-GBaud per subcarrier). We transmit five dual-carrier channels over 3200 km at 5.2-b/sHz spectral efficiency, implementing coherent detection, off-line digital signal processing, and soft-decision forward error correction. 
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