Title :
Acousto-optic diffraction by an acoustic surface wave in an ion-exchanged waveguide
Author :
Kondo, Makoto ; Ohta, Yoshichika ; Saito, Fuminori ; Sasaki, Hiromu ; Chubachi, N. ; Koizumi, Kazuto
Author_Institution :
Nippon Electric Co. Ltd., Central Research Laboratories, Kawasaki, Japan
Abstract :
We have investigated acousto-optic diffraction by an acoustic surface wave generated by a ZnO-thin-film transducer in an ion-exchanged waveguide. A diffraction efficiency of 70% was obtained with 2 W of electric power.
Keywords :
acoustic surface waves; acousto-optical effects; integrated optics; light diffraction; optical waveguides; thin film devices; ultrasonic transducers; ZnO thin film transducer; acoustic surface wave; diffraction efficiency; ion exchanged waveguide;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19740411
