TY - JOUR T1 - Spectrally-efficient 17.6-Tb/s DWDM optical transmission system over 678 km with pre-filtering analysis JO - Journal of Microwaves, Optoelectronics and Electromagnetic Applications A1 - Carvalho, L. H. H. A1 - Silva, E. P. A1 - Silva, R. A1 - Perin, J. P. K A1 - Oliveira, J. C. R. F. A1 - Silva, M. L. A1 - Cardoso, P. P. G. A1 - Paradisi, A. SN - 2179-1074 UL - 10.1590/S2179-10742013000100018 VL - 12 Y1 - 2013 PB - Brasil ER -