@INPROCEEDINGS {7851,
author={J.M. Boavida and C. F. Fernandes and J. Morgado},
doi={},
booktitle={Progress in Electromagnetics Research Symp. - PIERS},
title={Improvements on Phase-Shifted Distributed-Coupling-Coefficient Distributed Feedback Laser Structures for Single Longitudinal Mode Operation},
year={2010},
month={March},
volume={1},
pages={1231-1235} 
}