Introduction.- Optical Waveguide Modes.- Theory of Optical Waveguides.- Waveguide Fabrication Techniques.- Polymer and Fiber Integrated Optics.- Losses in Optical Waveguides.- Waveguide Input and Output Couplers.- Coupling between Waveguides.- Electro-Optic Modulators.- Acousto-Optic Modulators.- Basic Principles of Light Emission in Semiconductors.- Semiconductor Lasers.- Optical Amplifiers.- Heterostructure, Confined-Field Lasers.- Distributed-Feedback Lasers.- Direct Modulation of Semiconductor Lasers.- Integrated Optic Detectors.- Quantum-Well Devices.- Micro-Optical-Electro-Mechanical Devices.- Applications of Integrated Optics.- Photonic and Microwave Wireless Systems.- Nanophotonics.