Comparison of PAM-6 Modulations for Short-Reach Fiber-Optic Links with Intensity Modulation and Direct Detection

Daniel Plabst; Gerhard Kramer; Md Sabbir-Bin Hossain; Neboj\v{s}a Stojanovi\'c; Norbert Hanik; Stefano Calabr\`o; Talha Rahman; Thomas Wiegart; Tobias Prinz

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Comparison of PAM-6 Modulations for Short-Reach Fiber-Optic Links with Intensity Modulation and Direct Detection

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arxiv 2205.05460 v1 pith:U6FZARXN submitted 2022-05-11 cs.IT eess.SPmath.IT

Tobias Prinz , Thomas Wiegart , Daniel Plabst , Talha Rahman , Md Sabbir-Bin Hossain , Nebojša Stojanović , Stefano Calabrò , Norbert Hanik

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Gerhard Kramer

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classification cs.ITeess.SPmath.IT

keywords pam-6detectiondirectfiber-opticintensitylinksmodulationqam-32

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PAM-6 transmission is considered for short-reach fiber-optic links with intensity modulation and direct detection. Experiments show that probabilistically-shaped PAM-6 and a framed-cross QAM-32 constellation outperform conventional cross QAM-32 under a peak power constraint.

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