Abstract
Chapter 5 examines the nature of the interaction of light with bound and free carriers in semiconductor materials. In particular, the behavior of electrons and holes in the periodic semiconductor lattice gives rise to both the electrical and optical properties of the materials. The predominant theory for these interactions is the Sommerfeld theory with the Bloch approximation. The impact of impurities, dopants, and structural imperfections of the lattice will be discussed, and their effect on optical transmission, absorption, and luminescence, as well as on carrier dynamics, will be highlighted. Finally, key optical semiconductor devices will be reviewed.
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