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Updated: Nov 23, 2025

A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference
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A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference

Published on: September 5, 2019

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Improved polar decoding for optical PAM transmission via non-identical Gaussian distribution based LLR estimation

Honghang Zhou, Yan Li, Tao Dong

    Optics Express
    |December 31, 2020
    PubMed
    Summary

    An improved polar decoder using non-identical Gaussian distributions enhances optical pulse amplitude modulation (PAM) systems. This method mitigates nonlinearity, achieving significant sensitivity gains for PAM-4 and PAM-8 transmissions.

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