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K-means assisted soft decision of PAM4 to mitigate level nonlinearity and level-dependent noise for VCSEL-based 100-Gbps 100-m MMF optical interconnection

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Abstract

A likelihood ratio estimation method based on K-means clustering is proposed and experimentally demonstrated for soft decision of PAM4 to mitigate the level nonlinearity and level- dependent noise. Commercial-VCSEL-based 100-Gbps 100-m MMF optical transmission is achieved.

© 2019 The Author(s)

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