Finite-difference method in the frequency domain for the analysis of the coupling between anisotropic channel waveguides

Author

Sobrinho, C.L.daS.S. ; Giarola, A.J.

Author_Institution

Dept. of Electr. Eng., Federal Univ. of Para, Belem, PA, Brazil

fYear

1993

fDate

June 28 1993-July 2 1993

Firstpage

1195

Abstract

An analysis of the propagation characteristics of coupled channel waveguides diffused in anisotropic substrates is presented. The wave equation is written in terms of the transverse components of the magnetic field and is numerically solved by the finite-difference method in the frequency domain. The result is a conventional eigenvalue problem without the presence of spurious modes due to the implicit inclusion of the divergence of the magnetic field equal to zero. The formulation is developed to consider biaxial anisotropic dielectrics with a varying index of refraction profile in the waveguide cross section.<>

Keywords

eigenvalues and eigenfunctions; electromagnetic wave propagation; finite difference methods; frequency-domain analysis; gradient index optics; nonradiative dielectric waveguides; wave equations; waveguide couplers; anisotropic channel waveguides; biaxial anisotropic dielectrics; coupled channel waveguides; eigenvalue problem; finite-difference method; frequency domain; index of refraction profile; propagation characteristics; wave equation; Anisotropic magnetoresistance; Dielectrics; Eigenvalues and eigenfunctions; Finite difference methods; Frequency domain analysis; Magnetic analysis; Magnetic fields; Optical refraction; Optical waveguides; Partial differential equations;

fLanguage

English

Publisher

ieee

Conference_Titel

Antennas and Propagation Society International Symposium, 1993. AP-S. Digest

Conference_Location

Ann Arbor, MI, USA

Print_ISBN

0-7803-1246-5

Type

conf

DOI

10.1109/APS.1993.385134

Filename

385134