Quasi-static analysis of travelling-wave electrodes with asymmetrical finite thickness for electro-optic modulators

Author

Hong, I. ; Park, H.

Author_Institution

Dept. of Electr. & Comput. Eng., Yonsei Univ., Seoul, South Korea

Volume

147

Issue

2

fYear

2000

fDate

4/1/2000 12:00:00 AM

Firstpage

120

Lastpage

122

Abstract

Quasi-static analysis of travelling-wave electrodes with asymmetrical finite thickness for electro-optic modulators is described. A generalised mode-matching method has been used to analyse the inhomogeneous structure with asymmetrical electrode thickness. The effects of asymmetrical electrode thickness on the effective dielectric constant and characteristic impedance of coplanar strip electrodes are discussed. Numerical computations show that asymmetrical properties of thick electrodes can improve the phase velocity mismatch between electric and optical waves in an electro-optical modulator or switch

Keywords

electro-optical modulation; electro-optical switches; electrodes; mode matching; optical waveguide theory; symmetry; asymmetrical electrode thickness; asymmetrical finite thickness; asymmetrical properties; characteristic impedance; coplanar strip electrode; effective dielectric constant; electro-optic modulators; electro-optical modulator; electro-optical switch; inhomogeneous structure; mode-matching method; optical waves; phase velocity mismatch; quasi-static analysis; travelling-wave electrodes;

fLanguage

English

Journal_Title

Optoelectronics, IEE Proceedings -

Publisher

iet

ISSN

1350-2433

Type

jour

DOI

10.1049/ip-opt:20000285

Filename

844447