Fiber optic communication refers to a method of transmitting data that utilizes light instead of electrical signals to send information through optical fibers. The process kicks. Photo: Light pipe: fiber optics means sending light beams down thin strands of plastic or glass by making them bounce repeatedly off the walls. Note that in some countries, including the UK, fiber optics is spelled "fibre optics. In this blog post we'll explore fibre optics and the role of fibre optic networks in communications and.