Abstract

The switching dynamics of thermally induced optical bistability in ZnSe nonlinear interference filters is investigated experimentally and theoretically. The device, maintained on its low transmission level by a cw argon laser beam, is switched on its high transmission level by an external light pulse. Either a very fast switching or an important slowing down are obtained when the holding cw intensity or the switching pulse energy are well chosen. This variation of the switching times is analyzed theoretically and observed experimentally.

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