On Geometric Shaping for 400 Gbps IM-DD Links with Laser Intensity Noise
Signal Processing
2025-05-29 v2
Abstract
We propose geometric shaping for IM-DD links dominated by relative intensity noise (RIN). For 400 Gbps links, our geometrically-shaped constellations result in error probability improvements that relaxes the RIN laser design by 3 dB.
Cite
@article{arxiv.2504.17433,
title = {On Geometric Shaping for 400 Gbps IM-DD Links with Laser Intensity Noise},
author = {Felipe Villenas and Kaiquan Wu and Yunus Can Gültekin and Jamal Riani and Alex Alvarado},
journal= {arXiv preprint arXiv:2504.17433},
year = {2025}
}
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Presented at OFC 2025
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