200Gb/s VCSEL transmission using 60m OM4 MMF and KP4 FEC for AI computing clusters
Tom Wettlin, Youxi Lin, Nebojsa Stojanovic, Stefano Calabr\`o, Ruoxu, Wang, Lewei Zhang, Maxim Kuschnerov
TL;DR
This paper demonstrates a high-speed VCSEL optical transmission exceeding 200Gb/s over 60 meters of OM4 fiber, utilizing advanced DSP and KP4 FEC, suitable for AI computing clusters.
Contribution
It presents a novel 200Gb/s VCSEL transmission experiment with optimized DSP and FEC, achieving record data rates over short multimode fiber.
Findings
Achieved 245Gb/s AIR with PAM-6 in back-to-back configuration
Demonstrated 200Gb/s PAM-4 transmission over 60m OM4 fiber
Validated the effectiveness of KP4 FEC for high-speed multimode transmission
Abstract
We show a beyond 200Gb/s VCSEL transmission experiment. Results are based on 35GHz VCSEL and advanced DSP. We show an AIR of 245Gb/s PAM-6 back-to-back, and 200Gb/s PAM-4 over 60m OM4 fiber assuming KP4-FEC.
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Taxonomy
TopicsSemiconductor Lasers and Optical Devices · Photonic and Optical Devices