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Conferences > OFC > 2023 > W4E > W4E.4

Comparison between PAM and DMT in a 200-Gb/s IM-DD System Considering the Interaction between Bandwidth Limit and Peak Power Constraint at Transmitter

Di Che

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Abstract

We revisit the PAM vs DMT debate in a 200G-class IM-DD system. Distinguished from previous works, we study the interaction between bandwidth limit and peak power constraint in an IM transmitter with peak distortion, and involve DSP techniques like faster than Nyquist and entropy loading for a more comprehensive achievable information rate comparison.

© 2023 The Author(s)

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