S-C-L triple-band double-pass erbium-doped silica fiber amplifier with an embedded DCF module for CWDM applications - Rosolem, João Batista; Juriollo, Antonio Amauri; Arradi, Roberto; Coral, Antonio Donizete; Oliveira, Julio César Rodrigues Fernandes de; Romero, Murilo Araujo (Journal of Lightwave Technology, 2006)