Photonic circuitry is the first-choice technological advancement recognized by the telecommunications industry. Due to the speed, strength, and clarity of signal, photonic circuits are rapidly replacing electronic circuits in a range of applications. Applied Photonics is a state-of-the-art reference book that describes the fundamental physical concept of photonics and examines the most current information available in the photonics field. Cutting-edge developments in semiconductors, optical switches, and solitons are presented in a readable and easily understandable style, making this volume accessible, if not essential, reading for practicing engineers and scientists. Key Features* Introduces the concept of nonlinear interaction of photons with matters, photons, and phonons* Covers recent developments of semiconductor lasers and detectors in the communications field* Discusses the development of nonlinear devices, including optical amplifiers, solitons, and phase conjugators, as well as the development of photonic components, switches, interconnects, and image processing devices