URL https://www.researchgate.net/publication/359254404/figure/download/fig1/AS:1134093823684617@1647400446523/Schematic-and-transmission-properties-of-the-Mach-Zehnder-interferometer-and-the.ppm
URL2 https://www.researchgate.net/figure/Schematic-and-transmission-properties-of-the-Mach-Zehnder-interferometer-and-the_fig1_359254404
