Ranging from fundamental theoretical concepts to advanced device technologies, this reference/text explores the engineering, characteristics, and performance of specific semiconductor lasers. It defines key principles in electromagnetics, optoelectronics, and laser implementation for novel applications in optical communications, storage, processing, measurement, and sensing. This text prepares students for advanced experimental and theoretical research in semiconductor laser technology and provides the only comprehensive, systematic, and concise description of semiconductor lasers available for an understanding of the physics and parameters of laser operation and function.