Single-mode condition for silicon rib waveguides

Author

Powell, Olly

Author_Institution

Sch. of Microelectron. Eng., Griffith Univ., Southport, Qld., Australia

Volume

20

Issue

10

fYear

2002

fDate

10/1/2002 12:00:00 AM

Firstpage

1851

Lastpage

1855

Abstract

The geometrical conditions required for single-mode propagation in large cross-section silicon-on-insulator (SOI) waveguides were investigated using the beam propagation method (BPM). The cases of both vertical-walled and sloping-walled (trapezoidal) rib structures were considered. In the trapezoidal case some approximate methods were compared with the simulated results. Expressions for the single-mode condition for both types of waveguide were defined.

Keywords

finite difference methods; optical waveguide theory; optical waveguides; rib waveguides; silicon-on-insulator; Si rib waveguides; Si-SiO₂; beam propagation method; geometrical conditions; large cross-section silicon-on-insulator waveguides; silicon rib waveguides; single-mode condition; single-mode propagation; sloping-walled rib structures; trapezoidal rib structures; vertical-walled rib structures; Cyclic redundancy check; Equations; Optical devices; Optical fiber devices; Optical propagation; Optical sensors; Optical waveguide theory; Optical waveguides; Silicon on insulator technology; Slabs;

fLanguage

English

Journal_Title

Lightwave Technology, Journal of

Publisher

ieee

ISSN

0733-8724

Type

jour

DOI

10.1109/JLT.2002.804036

Filename

1159241