First demonstration of PAM4 transmissions for record reach and high-capacity SWDM links over MMF using 40G/100G PAM4 IC chipset with real-time DSP

@article{Chang2017FirstDO,
  title={First demonstration of PAM4 transmissions for record reach and high-capacity SWDM links over MMF using 40G/100G PAM4 IC chipset with real-time DSP},
  author={Frank Chang and Yi Ki Sun and Robert Lingle and You gang Zhang and Pengfei Cai and Mengyuan Huang and Dong Pan and Timo Gray and Sudeep Bhoja and Stephen Nelson and Jim A. Tatum},
  journal={2017 Optical Fiber Communications Conference and Exhibition (OFC)},
  year={2017},
  pages={1-3}
}
We experimentally demonstrate, for the first time, link BERs under the KP4 FEC threshold at 42.5 Gbps over 550 m high bandwidth OM4 using single 850 nm VCSEL and at aggregated 212.5 Gbps over 300 m wideband multimode fiber using SWDM TOSAs from 850 to 940 nm, employing a newly developed PAM4 chipset and direct detection, with a novel Ge/Si APD or wideband PIN ROSA. 

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