24 June 2002 New formulation of the coupled mode method for the analysis of chirowaveguides
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Abstract
In this communication we present a formulation of the Coupled Mode Method (CMM) which is different from the one normally used in the literature for solving chirowaveguides. An essential step in the development of the CMM is the way in which the longitudinal components of the electromagnetic field are related to the transverse components of the electromagnetic field. An approach which involves some previous manipulation of the constitutive relations is normally used. This gives a slow convergence of the propagation constants. In previous works, involving isotropic and anisotropic dielectric guides, we have shown that a different way of using the constitutive relations produces faster convergence of the propagation constants to the correct results for the different modes. Following this approach, we show here how this formulation can be applied to a parallel plate waveguide partially filled with different slabs of chiral media. Our results show that the predictions are confirmed in the same way as for anisotropic media.
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Alvaro Gomez, Alvaro Gomez, Miguel Angel Solano, Miguel Angel Solano, Angel Vegas, Angel Vegas, } "New formulation of the coupled mode method for the analysis of chirowaveguides", Proc. SPIE 4806, Complex Mediums III: Beyond Linear Isotropic Dielectrics, (24 June 2002); doi: 10.1117/12.472996; https://doi.org/10.1117/12.472996
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