Title :
Optically biased LiNbO3 Δβ reversal directional coupler switch
Author :
Okayama, Hideaki ; Matoba, Akihisa ; Shibuya, Ryota ; Ishida, Tomoyuki
Author_Institution :
Oki Electric Industry Co. Ltd., Research Laboratory, Hachioji, Japan
Abstract :
A Ti: LiNbO3 Δβ reversal directional coupler switch with built-in optical bias is demonstrated. Optical bias is introduced by alternating the width of coupled waveguides. Drive voltages can be reduced without significant degradation of loss and crosstalk characteristics.
Keywords :
directional couplers; integrated optics; lithium compounds; optical couplers; switches; titanium; Δβ reversal directional coupler switch; LiNbO3:Ti; built-in optical bias; crosstalk characteristics; loss;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19870798
