@INPROCEEDINGS {37743,
author={DM Morão and L.   Cancela and J.  Rebola},
doi={10.1109/ConfTELE50222.2021.9435539},
booktitle={Conf. on Telecommunications  - ConfTele},
title={Exploring future large-scale ROADM architectures},
year={2021},
month={February},
volume={},
pages={-} 
}