Title :
Light diffraction by Bleustein-Gulyaev surface acoustic waves in gallium arsenide and other piezoelectric cubic crystals
Author :
Bright, V.M. ; Hunt, W.D.
Author_Institution :
Sch. of Electr. Eng., Georgia Inst. of Technol., Atlanta, GA, USA
Abstract :
An analytical solution to the boundary value problem for the existence of a Bleustein-Gulyaev piezoelectric surface wave in GaAs and other piezoelectric cubic crystals is developed. Numerical solutions for Bleustein-Gulyaev waves in a number of crystals of 43 m and 23 symmetry classes are presented. These include commonly used materials such as GaAs, GaP, InSb, InAs, Bi12GeO20, and Bi4 Ge3O12. The results are then used to investigate light diffraction by Bleustein-Gulyaev waves in GaAs. Cases of both plane-wave acoustooptic and guided optical-wave interaction are considered. A numerical solution for a guided-wave acoustooptic collinear interaction in a GaAs-GaAlAs waveguide is presented and discussed
Keywords :
III-V semiconductors; acousto-optical effects; bismuth compounds; gallium arsenide; gallium compounds; indium compounds; piezoelectric materials; piezoelectric oscillations; piezoelectric semiconductors; surface acoustic waves; Bi12GeO20; Bi4Ge3O12; Bleustein-Gulyaev piezoelectric surface wave; Bleustein-Gulyaev surface acoustic waves; GaAs; GaP; InAs; InSb; boundary value problem; guided optical-wave interaction; guided-wave acoustooptic collinear interaction; piezoelectric cubic crystals; waveguide; Acoustic diffraction; Acoustic waves; Bismuth; Boundary value problems; Crystalline materials; Crystals; Gallium arsenide; Optical surface waves; Optical waveguides; Surface acoustic waves;
Conference_Titel :
Ultrasonics Symposium, 1989. Proceedings., IEEE 1989
Conference_Location :
Montreal, Que.
DOI :
10.1109/ULTSYM.1989.67038
