DocumentCode
854279
Title
Schottky-biased, optically controlled coplanar waveguide phase-shifter
Author
Cheung, P. ; Neikirk, D.P. ; Itoh, T.
Author_Institution
Dept. of Electr. & Comput. Eng., Texas Univ., Austin, TX, USA
Volume
25
Issue
19
fYear
1989
Firstpage
1301
Lastpage
1302
Abstract
Phase shift measurements of a Schottky-biased, optically controlled coplanar waveguide (CPW) phase-shifter are presented. A prototype device consisting of a CPW on top of a lightly doped GaAs epilayer on a semi-insulating GaAs substrate was fabricated and tested. The highest phase shift obtained with an illuminating optical intensity of 4mW/cm2 was 120 degrees at 40 GHz for a 1 cm-long device.
Keywords
Schottky effect; phase shifters; solid-state microwave devices; waveguide components; 40 GHz; CPW; Schottky-biased; coplanar waveguide; lightly doped GaAs epilayer; microwave devices; optically controlled; phase shift measurement; phase-shifter; prototype device; semi-insulating GaAs substrate;
fLanguage
English
Journal_Title
Electronics Letters
Publisher
iet
ISSN
0013-5194
Type
jour
DOI
10.1049/el:19890870
Filename
46192
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