Development of fiber communications. Optical fibers and their properties. LED and Laser sources. Power launching and Coupling. Optical detectors and receivers. Repeaters, Regenerators, and Optical amplifiers. Introduction to Optical Communication Systems. Time-division-multiplexing (TDM) and Wavelength-division-multiplexing (WDM) communications. Optical networks. Ultrafast and nonlinear fiber optics. Recent developments in optical communication technology. (Not for students who have taken ELEG3320 or ESTR3206.)