The technology that uses light to transmit data in fiber optic cables is known as fiber optics technology. This technology involves the use of thin strands of glass or plastic fibers, which carry data as pulses of light. Fiber optics provide significantly higher bandwidth compared to traditional copper wires, allowing for faster internet speeds and greater data transmission capabilities over long distances. This makes fiber optics essential in telecommunications, internet infrastructure, and video transmission, contributing to the robust connectivity requirements of modern communication systems.