@INPROCEEDINGS {15662,
author={V. C. Duarte  and M. V. Drummond and R.N.  Nogueira},
doi={0},
booktitle={International Conf. on Applications of Optics and Photonics - AOP},
title={All-optical modulation format conversion from OOK to DP-QPSK based on fiber nonlinearity},
year={2014},
month={May},
volume={9286},
pages={1-5} 
}