The SPUDT technology for the design and fabrication of filters and switches in communication system

Author

Dai Enguang ; Wu Deming ; Xu Anshi

Author_Institution

Dept. of Electron., Peking Univ., Beijing, China

Volume

4

fYear

1999

fDate

Aug. 30 1999-Sept. 3 1999

Firstpage

1149

Abstract

A large amount of work has been done to overcome the difficult problems of bidirectional loss for SAW transducer. It turns out that the design of single phase unidirectional transducer (SPUDT) is much more challenging then that of conventional interdigital transducers, because of the extreme difficulty to synthesize the optimum transduction tap and reflectivity weighting functions simultaneously. In this paper, electrode width controlled SPUDT is used for the fabrication of high efficient acousto-optic switch and low loss SAW filter used in fiber-optic communication.

Keywords

acousto-optical filters; acousto-optical switches; coupled mode analysis; impedance matching; integrated optics; optical communication equipment; surface acoustic wave filters; surface acoustic wave transducers; SPUDT technology; electrode width controlled SPUDT; fabrication; fiber-optic communication; high efficient acousto-optic switch; integrated optic filter; low loss SAW filter; single phase unidirectional transducer; Acoustic transducers; Communication switching; Communication system control; Electrodes; Fabrication; Optical fiber communication; Reflectivity; SAW filters; Surface acoustic waves; Switches;

fLanguage

English

Publisher

ieee

Conference_Titel

Lasers and Electro-Optics, 1999. CLEO/Pacific Rim '99. The Pacific Rim Conference on

Conference_Location

Seoul, South Korea

Print_ISBN

0-7803-5661-6

Type

conf

DOI

10.1109/CLEOPR.1999.814707

Filename

814707