FWM Compensation in DPSK Transmission by Reducing Detectors with Digital Coherent Detection Using Backward Propagation. International Journal of Information and Electronics Engineering, [S. l.], v. 1, n. 1, p. 99–104, 2021. Disponível em: https://ijiee.org/index.php/ijiee/article/view/17. Acesso em: 17 sep. 2026.