@ARTICLE {31781,
author={B. M. Oliveira and F. P. Guiomar and M. C. R.  Medeiros and P. Monteiro},
doi={10.1109/LPT.2021.3122554},
journal={IEEE Photonics Technology Letters},
title={Enhancing Power Budget and Spectral Efficiency in Amplifier-Less Coherent Optical Links},
year={2021},
month={December},
volume={33},
number={24},
pages={1383-1386},
ISSN={1041-1135}
}