Abstract
Abstract Optical and radiative properties of semiconductor materials and structures are often critical to the functionality and performance of many devices, such as semiconductor lasers, radiation detectors, tunable optical filters, waveguides, solar cells, selective emitters and absorbers, etc. This chapter reviews the optical and thermal radiative properties of semiconductor materials related to the recent technological advancements that are playing a vital role in the integrated-circuit manufacturing, optoelectronics, and radiative energy conversion devices. Some fundamental aspects related to important micro/nanoscale processes in semiconductor optoelectronics are presented. These include the electronic band structure, energy gap, interband and intraband transitions, free-carrier absorption, optical and acoustic phonons, and the effects of impurities and temperature. Theoretical and experimental studies on the radiative properties of thin films and multilayer systems, rough surfaces, and nanostructured surfaces are summarized. Quantum confinement in nanomaterials is described, followed by a review of the radiative properties of photonic crystals and porous silicon. Potential applications and future developments are outlined.
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