Title :
Finite element beam propagation method for anisotropic optical waveguides
Author :
Tsuji, Yasuhide ; Koshiba, Masanori ; Takimoto, Noboru
Author_Institution :
Div. of Electron. & Inf. Eng., Hokkaido Univ., Sapporo, Japan
fDate :
4/1/1999 12:00:00 AM
Abstract :
A finite element beam propagation method (BPM) for anisotropic optical waveguides is newly formulated. In order to treat a wide-angle beam propagation, a Pade approximant operator is employed and to avoid nonphysical reflection from computational window edges, a transparent boundary condition is extended to anisotropic materials. To show the validity and usefulness of this approach, the numerical results for an anisotropic planar waveguide and a magnetooptic channel waveguide are presented
Keywords :
anisotropic media; approximation theory; boundary-value problems; finite element analysis; light reflection; magneto-optical effects; optical planar waveguides; optical waveguide theory; transparency; Pade approximant operator; anisotropic materials; anisotropic optical waveguides; anisotropic planar waveguide; computational window edges; finite element beam propagation method; magnetooptic channel waveguide; nonphysical reflection; transparent boundary condition; wide-angle beam propagation; Anisotropic magnetoresistance; Equations; Finite element methods; Geometrical optics; Optical planar waveguides; Optical propagation; Optical refraction; Optical sensors; Optical waveguides; Planar waveguides;
Journal_Title :
Lightwave Technology, Journal of
