JABUR AL-AZAWI, Razi. A Solution of Nonlinear Rate Equations of Directly Modulated Semiconductor Laser to Chose Optimum Frequency Modulation. Journal of Engineering and Sustainable Development, Baghdad, Iraq, v. 13, n. 3, p. 30–37, 2009. Disponível em: https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/1524.. Acesso em: 5 jul. 2025.