Title :
UV-induced surface-relief gratings on LiNbO3 channel waveguides
Author :
Wu, B. ; Chu, P.L. ; Hu, H. ; Xiong, Z.
Author_Institution :
Australian Photonics CRC, New South Wales Univ., Kensington, NSW, Australia
fDate :
10/1/1999 12:00:00 AM
Abstract :
We report a new technique for fabricating Bragg gratings in LiNbO 3 channel waveguides. This technique involves the irradiation of the waveguide by means of an ultraviolet beam. We also demonstrate the applications of these gratings as tunable input couplers and as Bragg reflectors
Keywords :
Bragg gratings; lithium compounds; mirrors; optical couplers; optical fabrication; optical filters; optical tuning; optical waveguides; photorefractive materials; ultraviolet radiation effects; 248 nm; Bragg gratings; Bragg reflectors; LiNbO3; LiNbO3 channel waveguides; UV-induced surface-relief gratings; fabrication; gratings; irradiation; tunable input couplers; ultraviolet beam; Couplers; Gratings; Holography; Optical filters; Optical interferometry; Optical pulses; Optical surface waves; Optical waveguides; Surface waves; Writing;
Journal_Title :
Quantum Electronics, IEEE Journal of
