Optical Communication
Introduction Optical communication, also known as optical telecommunication, is communication at a distance using light to carry information . It can be performed visually or by using electronic devices. ... This article provides a basic introduction to different forms of optical communication. An optical communication system uses a transmitter , which encodes a message into an optical signal , a channel , which carries the signal to its destination, and a receiver , which reproduces the message from the received optical signal. When electronic equipment is not employed the 'receiver' is a person visually observing and interpreting a signal, which may be either simple (such as the presence of a beacon fire ) or complex (such as lights using color codes or flashed in a Morse code seque...
