Abstract

TM nonlinear modes of a liquid-crystal slab waveguide were studied as a function of the guided light power. Starting from Maxwell’s equations and from the torque equation for the nematic director, we derived a set of nonlinear differential equations with boundary conditions that depend on the considered geometry. The case of planar initial alignment of the nematic director has been exactly solved by a numerical technique based on the continuation method. The director reorientation induced by the guided light itself gives rise to such strong nonlinear effects as self-confinement and intrinsic optical bistability.

© 1996 Optical Society of America

TM modes in a slab waveguide filled with nematic liquid crystal in an external magnetic field

E. Santamato, P. Maddalena, M. Settembre, M. Romagnoli, and B. Daino
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Guided transverse-magnetic waves supported by a weakly nonlinear slab waveguide

Mitsuhiro Yokota
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Extreme nonlinear optics of nematic liquid crystals [Invited]

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