João C. S. S. Januário, Heitor S. Carvalho, Juliano R. F. Oliveira, and Júlio C. R. F. de Oliveira. “NON COHERENT EXPERIMENTAL IN-BAND OSNR MONITORING USING COST-EFFECTIVE DSP TECHNIQUE INSENSITIVE TO POLARIZATION EFFECTS”. Journal of Microwaves, Optoelectronics and Electromagnetic Applications (JMOe) 12 (August 1, 2013): si140-si155. Accessed September 28, 2022. http://www.jmoe.org/index.php/jmoe/article/view/395.