@INPROCEEDINGS {7719, author={R. Llorente and M. Castro and J.P. Puche and J. Romme and T. M. F. Alves }, doi={}, booktitle={European Conference on Optical Communication ECOC}, title={Sensing ultra-low-power radio signals by photonic analog-to-digital conversion}, year={2009}, month={September}, volume={-}, pages={1-2} }