Title :
Guided-wave acousto-optic interaction on proton-exchanged lithium tantalate
Author :
Duffy, J.F. ; Al-shukri, S.M. ; De La Rue, R.M.
Author_Institution :
University of Glasgow, Department of Electronics & Electrical Engineering, Glasgow, UK
Abstract :
A guided-wave acoustic-optic Bragg cell has been fabricated for the first time, to our knowledge, on lithium tantalate. The waveguide is fabricated by dilute melt proton-exchange, and without electrical tuning a maximum diffraction efficiency of 22% has been demonstrated. In addition, the thermo-optic behaviour of the lithium tantalate waveguide has been shown to be similar to that previously demonstrated on titaniumindiffused and proton-exchange lithium niobate waveguides
Keywords :
acousto-optical devices; lithium compounds; optical waveguides; 22 percent; LiTaO3; LiTaO3:H; diffraction efficiency; dilute melt proton-exchange; guided-wave acoustic-optic Bragg cell; thermo-optic behaviour;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19870600
