HAZEM M. EL-HAGEEN, AADEL M. ALATWI. Optical communication systems that use wide-band optical semiconductor amplifiers and high-speed signal processing. INTERNATIONAL JOURNAL OF MANAGEMENT RESEARCH AND REVIEW, India, v. 12, n. 1, p. 1–10, 2022. Disponível em: https://ijmrr.com/index.php/ijmrr/article/view/391. Acesso em: 18 sep. 2026.