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Three-dimensional step discontinuities in planar waveguides: Angular-spectrum representation of guided wavefields and generalized matrix-operator formalism

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Abstract

For obliquely incident guided modes the light propagation in slab waveguides with step discontinuities can be described by means of an angular-spectrum representation of the electromagnetic fields together with a generalized matrix-operator formalism. By means of a discretization of the radiation and evanescent modes, the computation of the reflection and transmission coefficients can be reduced to the numerical solution of algebraic equations. The TE-TM coupling, which takes place for oblique incidence, and the different evanescent field effects are discussed in detail.

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Authors and Affiliations

  1. Department of Physics, University of Jena, DDR-6900, GDR

    W. Biehlig & U. Langbein

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  1. W. Biehlig
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  2. U. Langbein
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Biehlig, W., Langbein, U. Three-dimensional step discontinuities in planar waveguides: Angular-spectrum representation of guided wavefields and generalized matrix-operator formalism. Opt Quant Electron 22, 319–333 (1990). https://doi.org/10.1007/BF02189215

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  • DOI: https://doi.org/10.1007/BF02189215

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