Improved variational analysis of inhomogeneous optical waveguides using Airy functions

Author

Goyal, I.C. ; Gallawa, R.L. ; Ghatak, Ajoy K.

Volume

11

Issue

10

fYear

1993

fDate

10/1/1993 12:00:00 AM

Firstpage

1575

Lastpage

1578

Abstract

Variational trial fields that are based on modified Airy functions are proposed to obtain the propagation characteristics of inhomogeneous planar optical waveguides. Comparison is made with other recently proposed trial fields to demonstrate the improved accuracy obtained through the use of these Airy function trial fields. The probable reason that the proposed fields are better suited than others is that, unlike the others, they depend on the profile shape. The argument of the Airy function trial field is also sensitive to the rate of change of the profile. The fields are thus better matched to the exact field, improving the variational results

Keywords

integrated optics; optical waveguide theory; variational techniques; Airy functions; accuracy; inhomogeneous optical waveguides; inhomogeneous planar optical waveguides; profile rate of change; profile shape; propagation characteristics; sensitive; variational analysis; variational trial fields; Electromagnetic waveguides; Integrated optics; NIST; Optical planar waveguides; Optical sensors; Optical waveguides; Physics; Planar waveguides; Propagation constant; Refractive index;

fLanguage

English

Journal_Title

Lightwave Technology, Journal of

Publisher

ieee

ISSN

0733-8724

Type

jour

DOI

10.1109/50.249898

Filename

249898