A. Mahajan, K. Christodoulopoulos, R. Martínez,  S. Spadaro, R. Muñoz, Machine Learning Assisted EDFA Gain Ripple Modelling for Accurate QoT Estimation , in Proceedings of the 45th European Conference on Optical Communication ( ECOC 2019), 22-26 September 2019, Dublin (Irland). DOI 10.5281/zenodo.3462137 https://zenodo.org/record/3462137#.XZHXAGbtaUk

F. Locatelli, K. Christodoulopoulos, M. S. Moreolo, J. M. Fàbrega and S. Spadaro, "Machine Learning-Based in-Band OSNR Estimation From Optical Spectra," in IEEE Photonics Technology Letters, vol. 31, no. 24, pp. 1929-1932, 15 Dec.15, 2019