Finite element modeling of a polarization independent optical amplifier

Author

Young, Terry

Author_Institution

GEC-Marconi Res. Centre, Chelmsford, UK

Volume

10

Issue

5

fYear

1992

fDate

5/1/1992 12:00:00 AM

Firstpage

626

Lastpage

633

Abstract

Polarization independent amplifiers are studied using a perturbation technique based on the finite element method (FEM). The need for such a sophisticated technique to tackle this practical problem is noted and the impact of user-friendly interfaces is discussed. A function evaluator module, FUNBOX, is used to assess mode overlap integrals and the confinement factor. The FEM is used here to estimate waveguide/amplifier coupling loss, coupling to higher order modes and the polarization sensitivity of an amplifier structure. The result of a tolerancing exercise are presented, indicating the power and usefulness of such modeling tools

Keywords

finite element analysis; laser theory; optical communication equipment; optical losses; optical waveguides; perturbation theory; semiconductor junction lasers; FUNBOX; InP buffer layer; amplifier structure; confinement factor; finite element method; function evaluator module; higher order modes coupling; light polarisation; mode overlap integrals; modeling tools; perturbation technique; polarization independent optical amplifier; polarization sensitivity; semiconductor device models; semiconductor laser amplifiers; waveguide/amplifier coupling loss; Finite element methods; Optical amplifiers; Optical buffering; Optical design; Optical losses; Optical polarization; Optical sensors; Optical waveguides; Semiconductor optical amplifiers; Stimulated emission;

fLanguage

English

Journal_Title

Lightwave Technology, Journal of

Publisher

ieee

ISSN

0733-8724

Type

jour

DOI

10.1109/50.136098

Filename

136098