A.R., H., H. H., A. Mohd Zain, F. Salehuddin, P. Menon, and S. Shaari. “Modeling Mach Zehnder Interferometer (MZI) Modulator on Silicon-On-Insulator (SOI)”. Journal of Telecommunication, Electronic and Computer Engineering (JTEC), vol. 8, no. 1, Apr. 2016, pp. 121-4, https://jtec.utem.edu.my/jtec/article/view/720.