Numerical analysis of three-parallel embedded optical waveguides

Author

Kubo, Hiroshi ; Yasumoto, Kiyotoshi

Author_Institution

Dept. of Comput. Sci. & Commun. Eng., Kyushu Univ., Fukuoka, Japan

Volume

7

Issue

12

fYear

1989

fDate

12/1/1989 12:00:00 AM

Firstpage

1924

Lastpage

1931

Abstract

Three parallel embedded dielectric waveguides are investigated numerically. The mode-matching method that matches the boundary conditions in the sense of least squares is applied to this problem, using the hybrid-modal representation. Precise numerical results for the dispersion relations and field distributions are presented for the lowest three modes near the cutoff. The frequency range in which only the three modes can propagate and the differences in their propagation constants are discussed at length, in order to highlight the available frequency range and the coupling length of the configuration with respect to its use as a directional coupler

Keywords

directional couplers; dispersion relations; numerical analysis; optical couplers; optical waveguide theory; optical waveguides; directional coupler; dispersion relations; field distributions; hybrid-modal representation; least squares; mode-matching method; parallel embedded dielectric waveguides; Boundary conditions; Dielectrics; Dispersion; Frequency; Least squares methods; Mode matching methods; Numerical analysis; Optical sensors; Optical waveguides; Propagation constant;

fLanguage

English

Journal_Title

Lightwave Technology, Journal of

Publisher

ieee

ISSN

0733-8724

Type

jour

DOI

10.1109/50.41611

Filename

41611