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A New 5 bit/2D-symbol Modulation Format for Relative Intensity Noise-dominated IM-DD Systems

Signal Processing 2025-06-03 v1
Authors: Felipe Villenas , Kaiquan Wu , Yunus Can Gültekin , Jamal Riani , Alex Alvarado
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Abstract

We propose a novel 5-bit/2D-symbol modulation format based on PAM-6 optimized for IM-DD systems dominated by relative intensity noise. The proposed modulation scheme improves SNR by 0.94 dB compared to conventional PAM-6 and achieves near-optimal BER performance.

Keywords

Modulation format IM-DD systems Relative intensity noise PAM-6 Signal-to-noise ratio Bit error rate

Cite

@article{arxiv.2506.01761,
  title  = {A New 5 bit/2D-symbol Modulation Format for Relative Intensity Noise-dominated IM-DD Systems},
  author = {Felipe Villenas and Kaiquan Wu and Yunus Can Gültekin and Jamal Riani and Alex Alvarado},
  journal= {arXiv preprint arXiv:2506.01761},
  year   = {2025}
}

Comments

Submitted to ECOC 2025

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