Title :
Narrow gap coplanar slow wave electrode for travelling wave electro-optic modulators
Author :
Sakamoto, S.R. ; Spickermann, R. ; Dagli, N.
Author_Institution :
California Univ., Santa Barbara, CA, USA
fDate :
7/6/1995 12:00:00 AM
Abstract :
A novel coplanar slow wave electrode geometry suitable for travelling wave electro-optic modulators was fabricated on semi-insulating GaAs and measured up to 40 GHz. With these electrodes, modulator voltages can be applied across very small gaps while keeping the microwave loss low, the phase velocity matched and the characteristic impedance close to 50 Ω
Keywords :
III-V semiconductors; electro-optical modulation; electrodes; gallium arsenide; integrated optics; 40 GHz; 50 ohm; GaAs; characteristic impedance; electrodes; microwave loss low; modulator voltages; narrow gap coplanar slow wave electrode; phase velocity matching; semi-insulating GaAs; travelling wave electro-optic modulators; very small gaps;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19950779
