Obaidullah Obaid, Kulwinder Singh Malhi, Mandeep Kaur. A Comprehensive Review of OAM-Based Free-Space Optical Communication System Design, Atmospheric Challenges and Emerging Techniques. IJCISIM [Internet]. 2026 Jul. 24 [cited 2026 Aug. 19];18(10s):1075-8. Available from: https://cspub-ijcisim.org/index.php/ijcisim/article/view/3698