@ARTICLE {21400,
author={R.  Soeiro and T. M. F. Alves  and A. Cartaxo},
doi={10.1016/j.yofte.2017.04.007},
journal={Optical Fiber Technology},
title={Power budget of direct-detection ultra-dense WDM-Nyquist-SCM PON with low-complexity SSBI mitigation},
year={2017},
month={July},
volume={36},
number={-},
pages={255-264},
ISSN={1068-5200}
}