R. Nithya Paranthaman, R. Maheswari Ganesh Kumar. “ A Survey on Fiber Optic Communication : An Emerging Solution for Next Generation Mobile Networks”. International Journal of Advanced Science and Technology, Vol. 29, no. 04, June 2020, pp. 4625 -, http://sersc.org/journals/index.php/IJAST/article/view/24874.