Results of experimental studies of channel optical waveguide structures with spatially-modulated parameters obtained by point-by-point inducing of refractive index perturbations upon exposure to laser radiation of visible range in Y-cut LiNbO3 samples with photorefractive surface layer are presented.
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Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 3, pp. 3–8, March, 2019.
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Bezpaly, A.D., Shandarov, V.M., Mandel, A.E. et al. Optically Induced Channel Waveguide Structures with Spatial Modulation of Parameters in the Surface Layer of Lithium Niobate. Russ Phys J 62, 387–392 (2019). https://doi.org/10.1007/s11182-019-01724-w
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DOI: https://doi.org/10.1007/s11182-019-01724-w