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Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE

Polarization-based all-optical bistable element

Andrzej W. Domański, Mirosław A. Karpierz, Dariusz Strojewski

Published Sep 1, 1991• 0 citations
Publisher

Abstract

Theoretical studies are given for a nonlinear Fabry-Perot resonator filled with a birefringent medium or a gyrotropic medium. The results mapped onto Poincare's spheres show the changes of the output polarization states due to the changing input intensities.
DOI
10.1117/12.47012

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Polarization bistability has been proposed as having a number of advantages over conventional schemes.1 We have investigated polarization switching in a Fabry-Perot cavity filled with an aligned nematic. In this nonlinear, birefringent cavity, the transmittance for each polarization is a single valued function of the irradiance inside the cavity. This couples the two polarizations so that, unless sufficiently separated spatially, they switch simultaneously. Although limiting the range of possible applications, this coupling may be used to advantage to implement some optical latches.