@article{article9ee4ec7b,
title   = {All silica s-band double-pass erbium-doped fiber amplifier},
author = {Rosolem, João Batista and Juriollo, Antonio Amauri and Arradi, R. and Coral, Antonio Donizeti and Oliveira, Júlio César Rodrigues Fernandes and Romero, Murilo Araujo},
year = {2005},
doi = {10.1109/lpt.2005.848544},
journal   = {IEEE Photonics Technology Letters}
}