Ehsan Ali Abed, Jassim Mohammed Najim, and Suaded Salman Ahmed. “The Effect of Polarization Flipping Point on Polarization Dynamics by Optical Feedback Technique”. Iraqi Journal of Science 62, no. 3 (March 30, 2021): 852–860. Accessed June 29, 2026. https://www.ijs.uobaghdad.edu.iq/index.php/eijs/article/view/2126.