@INPROCEEDINGS {14099,
author={P. Laurêncio and H. Vargues and R. Avó and M. C. R.  Medeiros},
doi={0},
booktitle={International Conf. on Transparent Optical Networks - ICTON},
title={Generation and Transmission of Millimeter Wave Signals Employing Optical Frequency Quadrupling},
year={2010},
month={June},
volume={1},
pages={1-4} 
}