@INPROCEEDINGS {33202,
author={D. G. Sequeira and L.   Cancela and J.  Rebola},
doi={},
booktitle={ICETE International Conf. on Optical Communication Systems - OPTICS},
title={Physical Layer Impairments in Cascaded  Multi-Degree CDC ROADMs with NRZ and Nyquist Pulse Shaped Signals },
year={2018},
month={July},
volume={},
pages={-} 
}