Banaz Omer Rasheed. “Study of Recombination’s Effect Oncharacteristic and Self -Phase Modulation in Semiconductor Optical Amplifier”. Journal of Wasit for Science and Medicine 6, no. 1 (November 27, 2022): 1–11. Accessed July 24, 2026. https://jwsm.uowasit.edu.iq/index.php/jwsm/article/view/185.