Method of lines for the analysis of the propagation characteristics of curved optical rib waveguides

Author

Gu, Jing-Song ; Besse, Pierre-André ; Melchior, Hans

Author_Institution

Swiss Federal Inst. of Technol., Zurich, Switzerland

Volume

27

Issue

3

fYear

1991

fDate

3/1/1991 12:00:00 AM

Firstpage

531

Lastpage

537

Abstract

A numerical technique based on the method of lines is developed for the analysis of curved optical rib waveguides. The approach yields accurate solutions for the modes of both polarizations propagating along the curved waveguides. The values of the calculated bending losses are substantiated by experimental results. The method of lines has proven to be very efficient for the solution of straight and bent waveguide problems. To improve the accuracy of the discretization, an integration technique is introduced for the matrix representation of the differential operator. By approximately matching the boundary conditions at the interfaces of the waveguides, semivectorial solutions are obtained by considering the major field component

Keywords

bending; integration; matrix algebra; numerical methods; optical losses; optical waveguide theory; bending losses; bent waveguide problems; boundary conditions; curved optical rib waveguides; differential operator; integration technique; matrix representation; method of lines; numerical technique; optical waveguide propagation analysis; propagation characteristics; semivectorial solutions; waveguide interfaces; Electromagnetic waveguides; Optical devices; Optical losses; Optical propagation; Optical refraction; Optical variables control; Optical waveguide components; Optical waveguides; Slabs; Waveguide transitions;

fLanguage

English

Journal_Title

Quantum Electronics, IEEE Journal of

Publisher

ieee

ISSN

0018-9197

Type

jour

DOI

10.1109/3.81359

Filename

81359