Agalliu, Rajdi, and Michal Lucki. “System Performance and Limits of Optical Modulation Formats in Dense Wavelength Division Multiplexing Systems”. Elektronika ir Elektrotechnika 22, no. 2 (March 30, 2016): 123-129. Accessed April 26, 2024. https://eejournal.ktu.lt/index.php/elt/article/view/9599.