C. Gwo Chin, L. Chu Liang, L. Zheng Yang, and L. It Ee, “BER Performance of Ultra-Wideband Signal in Optical Transmission Line”, IJET, vol. 7, no. 4.22, pp. 150–153, Nov. 2018, doi: 10.14419/ijet.v7i4.22.27867.