Journal of the Optical Society of America B

Ultrafast thermal refractive nonlinearities in bistable interference filters

Brian S. Wherrett, A. K. Darzi, Yuk Tak Chow, Brendan T. McGuckin, Eric W. Van Stryland

Published Feb 1, 1990• 17 citations

Abstract

A novel, angularly resolved excite-probe technique is used to discriminate ultrafast refractive and absorptive nonlinearities in interference filters and to determine the sign of the nonlinearity. The results explain observations of nanosecond switch-on and switch-off of optical bistability in ZnSe-based filters.

DOI: 10.1364/josab.7.000215

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