M. Hagerman, K. Poeppelmeier
Apr 1, 1995
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Journal
Chemistry of Materials
Abstract
Potassium titanyl phosphate (KTiOPO{sub 4} or KTP) is a premier nonlinear optical (NLO) material. KTP has a waveguide figure-of-merit which is twice that of other mixed metal oxides and is unparalleled at the doubling of Nd laser radiation near 1 {mu}m. It has a complex high-temperature chemistry that produces a dramatic effect upon the observed nonlinear optical behavior. A summary is provided of the current knowledge of the single-crystal KTiOPO{sub 4} structure field with specific focus on defect chemistry, structure, and processing-defect-property relationships and waveguide technology. On the basis of this summary, a strategy is proposed for the development of novel electrooptical and nonlinear optical devices based on thin-film fabrication.