N. Fadhilah, R. Ramadani, A. Nikmah, M. Bagoes Anargiansyah, and M. Khoiro, “Analysis of Material and Wavelength Effects on Optical Propagation Performance in Dual Parallel Symmetric Mach-Zehnder Interferometer (DPS-MZI) Structures Using OptiBPM”, Proceeding Int. Jt. Conf. UNESA, vol. 3, no. 1, pp. 872–880, Dec. 2025.