Exact and variational Fourier transform methods for analysis of multilayered planar waveguides

Author

Berry, G.M. ; Burke, S.V. ; Smartt, C.J. ; Benson, T.M. ; Kendall, P.C.

Author_Institution

Dept. of Phys. & Astron., Univ. of Wales Coll. of Cardiff, UK

Volume

142

Issue

1

fYear

1995

fDate

2/1/1995 12:00:00 AM

Firstpage

66

Lastpage

75

Abstract

Exact and variational Fourier transform methods for the analysis of generalised planar waveguide structures are described in detail. Results are presented for specific structures of technological importance, namely the rib and channel waveguides and the rib waveguide directional coupler. These results establish the accuracy of Fourier transform methods in calculating critical design parameters such as propagation constant, field profile and coupling length. Moreover, they compare very favourably with purely numerical techniques in terms of speed and required computer resources

Keywords

Fourier transform optics; optical design techniques; optical films; optical planar waveguides; optical waveguide theory; refractive index; rib waveguides; variational techniques; Fourier transform methods; channel waveguides; coupling length; design parameters; field profile; generalised planar waveguide structures; multilayered planar waveguides; propagation constant; rib waveguide directional coupler; technological importance; variational Fourier transform methods;

fLanguage

English

Journal_Title

Optoelectronics, IEE Proceedings -

Publisher

iet

ISSN

1350-2433

Type

jour

DOI

10.1049/ip-opt:19951692

Filename

363583