Strong photosensitivity is locked in permanently after hydrogen outdiffusion of hydrogen-loaded waveguides presensitized with UV light by either pulsed 193-nm or cw 244-nm laser output.
© 1999 Optical Society of America
(160.2750) Materials : Glass and other amorphous materials
(160.3130) Materials : Integrated optics materials
(160.5320) Materials : Photorefractive materials
(230.3120) Optical devices : Integrated optics devices
(350.3390) Other areas of optics : Laser materials processing
M. Åslund, J. Canning, and G. Yoffe, "Locking in photosensitivity within optical fiber and planar waveguides by ultraviolet preexposure," Opt. Lett. 24, 1826-1828 (1999)