The process of optical communication breaks down into a few simple steps: E/O converters use light-emitting elements such as semiconductor lasers, O/E converters use light-receiving elements such as photodiodes, and optical elements such as lenses are used at the input and output. The process of optical communication breaks down into a few simple steps: E/O converters use light-emitting elements such as semiconductor lasers, O/E converters use light-receiving elements such as photodiodes, and optical elements such as lenses are used at the input and output. The process of optical communication breaks down into a few simple steps: E/O converters use light-emitting elements such as semiconductor lasers, O/E converters use light-receiving elements such as photodiodes, and optical elements such as lenses are used at the input and output of optical fiber. The manual is intended as a guide for technologists, middle-level management, as well as regulators, to assist in the practical installation of optical fibre-based systems. Throughout the discussions on the practical issues associated with the application of this technology, the explanations focus. The term communication may be defined as the transfer of information from one point (source) to another point (destination). For the information to be transferred over a distance, a communication system is usually required. Within a communication system, the information is transferred, made. Fiber optic communication refers to a method of transmitting data that utilizes light instead of electrical signals to send information through optical fibers. Different modes can exist simulatenously on the same wavelength. Designed to minimize the intermodal dispersion effect (without significantly. The process of communicating using fiber optics involves the following basic steps: Optical fiber is used by telecommunications companies to transmit telephone signals, Internet communication and cable television signals. It is also used in other industries, including medical, defense, government.