Abstract

Classical electromagnetic theory is applied to determine the eigenvalue equation and the fields of the allowed guided modes in a symmetric metal-clad planar uniaxial crystal waveguide for an arbitrary orientation of the optical axes. There are different hybrid guided modes in the different uniaxial crystals. For each mode, the conditions for their existence, the dispersion equation, and the accuracy of the solutions of the modal fields are analytically discussed. We report the propagation conditions and the asymmetry of various electric field distributions of the single modes.

© 2009 IEEE

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