Ultra wide electrical bandwidth GaAs/AlGaAs electrooptic modulators

A high speed GaAs/AlGaAs traveling wave Mach-Zehnder electrooptic modulator has been fabricated. The device uses a novel slow wave electrode design to achieve phase velocity matching and has a measured electrical bandwidth greater than 40 GHz. An improved electrode design has been characterized and...

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Bibliographic Details
Main Authors: Dagli, N., Spickermann, R., Sakamoto, S., Peters, M.
Format: Conference Proceeding
Language:English
Subjects:
Bandwidth
Dielectrics and electrical insulation
Electrodes
Electrooptic modulators
Gallium arsenide
Gold
Optical losses
Optical modulation
Schottky barriers
Wet etching
Online Access:Request full text
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Description
Summary:A high speed GaAs/AlGaAs traveling wave Mach-Zehnder electrooptic modulator has been fabricated. The device uses a novel slow wave electrode design to achieve phase velocity matching and has a measured electrical bandwidth greater than 40 GHz. An improved electrode design has been characterized and is currently being integrated into a modulator to increase the bandwidth further.< >
ISSN:0149-645X
2576-7216
DOI:10.1109/MWSYM.1995.406054