Measurements in proton exchanged LiNbO3waveguides show that the duration of the exchange markedly affects the [Fe2+]/[Fe3+] ratio and, as a consequence, the waveguide photorefractive response. Optical damage resistance dramatically increases with the exchange time.
© 2007 Optical Society of America
(190.0190) Nonlinear optics : Nonlinear optics
(190.5330) Nonlinear optics : Photorefractive optics
(230.0230) Optical devices : Optical devices
(230.7390) Optical devices : Waveguides, planar
J. Villarroel, M. Carrascosa, J. Carnicero, O. Caballero, Á. García-Cabañes, and J. M. Cabrera, " Photorefractive Response and Optical Damage Control in Proton Exchanged LiNbO3Waveguides via Proton Exchange Time," in Controlling Light with Light: Photorefractive Effects, Photosensitivity, Fiber Gratings, Photonic Materials and More, OSA Technical Digest (CD) (Optical Society of America, 2007), paper MB2.
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