We study self-channeling of light waves in a rotated cut of crystals of the 4mm and the 6mm classes, whose dominant mechanism is photorefractive diffusion nonlinearity. The existence of photorefractive line waves that can be guided along the edge of the crystal is suggested and analyzed.
© 1998 America
(160.5140) Materials : Photoconductive materials
(190.5330) Nonlinear optics : Photorefractive optics
(190.5940) Nonlinear optics : Self-action effects
(240.6690) Optics at surfaces : Surface waves
Stanislav M. Shandarov and Evgeny S. Shandarov, "Photorefractive line waves," Opt. Lett. 23, 1656-1658 (1998)