L. M. Ali and F. A. Abed, “Calculation of Radiative Loss in Index Contrast of AlxGa1-xAs Waveguides”, Al-Nahrain J. Sci., vol. 16, no. 1, pp. 98–101, Mar. 2013, Accessed: May 22, 2026. [Online]. Available: https://anjs.edu.iq/index.php/anjs/article/view/718