Miglani, Rajan, Sachal Charak, Sandeep Kumar Arora, and Mahedi Masud. “A Review On FSO By Using Different Modulation Techniques”. International Journal of Engineering and Technology 7, no. 3.8 (July 7, 2018): 136–140. Accessed August 17, 2025. https://mail.sciencepubco.com/index.php/IJET/article/view/16848.