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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

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Abstract

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.

© 2017 Optical Society of America

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