This page introduces the basics of optical communication, emphasizing photonic systems and the behavior of light as photons and waves. It discusses key components like optical waveguides, lasers, dete...This page introduces the basics of optical communication, emphasizing photonic systems and the behavior of light as photons and waves. It discusses key components like optical waveguides, lasers, detectors, multiplexers, interferometers, and switches, which are crucial for grasping how information is transmitted through various media, including fibers.