Jabur Al-Azawi, R. (2009) “A Solution of Nonlinear Rate Equations of Directly Modulated Semiconductor Laser to Chose Optimum Frequency Modulation”, Journal of Engineering and Sustainable Development, 13(3), pp. 30–37. Available at: https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/1524 (Accessed: 20 April 2025).