Experimental Study of an Integral-Optical Modulator Based on a Mach-Zehnder Interferometer with Increased Modulation Depth

The aim of this study is to investigate amplitude modulators with increased modulation depth. The research presents experimental data on modulation depth, intensity dependence on voltage, and voltage half-wave of integratedoptical amplitude modulators based on the Mach-Zehnder interferometer. A brief comparison between the theoretical and experimental transfer function of the modulator is provided. The study also discusses the results of increasing the extinction ratio of integrated-optical modulators based on the MachZehnder interferometer. The publication delves into the topic of nonlinear increase in the period of the modulator’s transfer function, including dependencies demonstrating this nonlinear increase. The research includes an experiment description, detailing the setup and instrument calibration. Furthermore, the study sheds light on prospective aspects of developing modulators with enhanced extinction. The data obtained from this research offer crucial insights into the characteristics of amplitude modulators with increased modulation depth. Since this topic is still relatively underexplored, it necessitates further meticulous investigation, which could significantly impact the advancement of modern technologies in optical communication and signal processing.