Semiconductor-doped glasses have been the subject of considerable recent research because of their potential importance to new nonlinear optical devices and because they provide a material for the study of quantum confinement effects. The glasses discussed are doped with microcrystallites of CdS1-xSex and are commercially available as sharp-cut color filters. The microcrystallites in commercial glasses have a broad size distribution; however, several groups have now reported fabrication of glasses with very narrow size distributions where the effects of quantum confinement are visible in the linear absorption spectrum.

© 1989 Optical Society of America

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