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BER Improvement of IM/DD Higher-Order Optical PAM Signal with Precise Non-Linearity Compensation

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Abstract

We introduce a precise Tx-side non-linear distortion compensation scheme for higher-order PAM signals, and experimentally show its effectiveness in 28 GBaud PAM-8 and 40 GBaud THP(Tomlinson Harashima Precoding)-PAM6 signals with more than 2-dB power budget improvement.

© 2019 The Author(s)

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