@ARTICLE {257,
author={J.  Rebola and A. Cartaxo},
doi={10.1109/JLT.2003.808782},
journal={Journal of Lightwave Technology},
title={Power penalty assessment in optically preamplified receivers with arbitrary optical filtering and signal-dependent noise dominance},
year={2002},
month={March},
volume={20},
number={3},
pages={401-408},
ISSN={0733-8724}
}