Non-linearity Compensation of High-Speed PAM4 Signals from Directly-Modulated Laser at High Extinction Ratio

Conference: ECOC 2016 - 42nd European Conference on Optical Communication
09/18/2016 - 09/22/2016 at Düsseldorf, Deutschland

Proceedings: ECOC 2016

Pages: 3Language: englishTyp: PDF

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Kikuchi, Nobuhiko; Hirai, Riu (Center for Technology Innovation, Hitachi Ltd., Yoshida-cho 292, Totsuka, Yokohama, Kanagawa, 244-0817, Japan)
Fukui, Takayoshi (Oclaro Japan, Inc., 4-1-55 Oyama Chuo-ku, Sagamihara, Kanagawa, 252-5250, Japan)

We propose a new non-linear waveform compensation scheme for DML-based PAM signals applicable either at transmitter or receiver-side, and its effectiveness is verified with 56-Gbit/s PAM4 experiments with less than 0.1-dB sensitivity penalties up to 8.9-dB extinction ratio.