Abstract
Nonlinear, thin-film interference filters with CdSe as spacer material have been fabricated. Optical bistability is observed with less than 3 mW of optical power with wavelengths in the 810–850-nm region. The nonlinear mechanism is shown to be thermal. Filters having thicker CdSe spacers are more stable than filters with very thin spacers.
© 1988 Optical Society of America
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