@INPROCEEDINGS {14175,
author={R. Avó and M. G. Guerreiro and M. C. R.  Medeiros},
doi={0},
booktitle={European Conf. on Networks and Optical Communications  and Conf. on Optical Cabling and Infrastructure  - NOC/OC},
title={Overlay services over WDM-PONs Employing Reflective Semiconductor Optical Amplifiers},
year={2011},
month={July},
volume={},
pages={1-4} 
}