M. IBRAHIM, R.; S. SAADI, N.; F. RAMADHAN, S. Noise Figure Characteristics of Erbium Doped Fiber Amplifiers at single and multiple amplified stage. Journal of Education and Science (JES), [S. l.], v. 25, n. 3, p. 44–53, 2012. DOI: 10.33899/edusj.2012.59193. Disponível em: https://ojs.uomosul.edu.iq/index.php/edusj/article/view/23993. Acesso em: 6 aug. 2025.