S. HAMEED, M. Reduction of Nonlinear Optical Self Phase Modulation in Optical Fiber at 40 Gb/s. Rafidain Journal of Science, [S. l.], v. 27, n. 1, p. 73–81, 2018. DOI: 10.33899/rjs.2018.141188. Disponível em: https://ojs.uomosul.edu.iq/index.php/rsci/article/view/46518. Acesso em: 9 sep. 2025.