@ARTICLE {12477,
author={L.   Cancela and J.  Rebola and J. J. O.  Pires},
doi={10.1016/j.osn.2015.07.002},
journal={Optical Switching and Networking},
title={Implications of in-band crosstalk on DQPSK signals in ROADM-based metropolitan optical networks},
year={2016},
month={January},
volume={19},
number={part 3},
pages={135-144},
ISSN={1573-4277}
}