Photoelastic optical directional couplers in epitaxial GaAs layers
- 19 March 1981
- journal article
- Published by Institution of Engineering and Technology (IET) in Electronics Letters
- Vol. 17 (6) , 237-238
- https://doi.org/10.1049/el:19810168
Abstract
Photoelastic channel optical waveguides showing strong lateral confinement at λ=1.55 μm have been fabricated by etching a narrow slot through a Au Schottky contact deposited on an n/n+ GaAs layer. Such structures allow electro-optic directional coupler switches of short coupling length (~2 mm) to be easily realised.Keywords
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