@ARTICLE {8823, author={F. M. Ferreira and D. Fonseca and H. A. Silva}, doi={10.1109/JLT.2013.2293066}, journal={Journal of Lightwave Technology}, title={Design of Few-Mode Fibers with M-modes and Low Differential Mode Delay}, year={2014}, month={February}, volume={32}, number={3}, pages={353-360}, ISSN={0733-8724} }