Analysis of buried-channel waveguides and couplers: scalar solution and polarization correction

Author

Huang, Weiping ; Haus, Hermann A. ; Yoon, Hyun N.

Author_Institution

Dept. of Electr. Eng., MIT, Cambridge, MA, USA

Volume

8

Issue

5

fYear

1990

fDate

5/1/1990 12:00:00 AM

Firstpage

642

Lastpage

648

Abstract

Buried-channel waveguides and couplers are analyzed by perturbations and variational methods under the scalar approximation. Propagation constants of the first- and higher-order modes are calculated. When far from cutoff, both methods give nearly identical results. Near cutoff, the variational method predicts the dispersion characteristics more accurately. The methods can be easily implemented on a PC to produce the dispersion characteristics as well as the field patterns. Correction to the scalar solutions that accounts for the polarization effects due to the refractive index discontinuity and the material birefringence is included in the analysis

Keywords

integrated optics; light polarisation; optical couplers; optical dispersion; optical waveguide theory; perturbation theory; variational techniques; buried-channel waveguides; cutoff; dispersion characteristics; field patterns; higher-order modes; integrated optics; material birefringence; optical couplers; perturbation methods; polarization correction; polarization effects; refractive index discontinuity; scalar approximation; scalar solutions; variational methods; Birefringence; Couplers; Optical materials; Optical waveguides; Partial differential equations; Perturbation methods; Polarization; Propagation constant; Refractive index; Tensile stress;

fLanguage

English

Journal_Title

Lightwave Technology, Journal of

Publisher

ieee

ISSN

0733-8724

Type

jour

DOI

10.1109/50.54469

Filename

54469