@ARTICLE {30598,
author={B. M. Oliveira and A.  Lorences-Riesgo and F. P. Guiomar and M. C. R.  Medeiros and P. Monteiro},
doi={10.1109/JLT.2021.3072547},
journal={Journal of Lightwave Technology},
title={Optimizing Probabilistic Constellation Shaping for Amplifier-Less Coherent Optical Links},
year={2021},
month={July},
volume={39},
number={13},
pages={4318-4330},
ISSN={0733-8724}
}