Mode gaps in the refractive index properties of low-dose ion-implanted LiNbO3 waveguides
作者： J. Rams , J. Olivares , P. J. Chandler , P. D. Townsend
DOI: 10.1063/1.372325
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摘要: Data are presented for the refractive index profiles low-dose He+ ion-implanted LiNbO3 waveguides. In nuclear stopping region, extraordinary is increased low ion doses, by contrast with reduction normally associated waveguiding structures. The increase was confirmed fabricating a buried waveguide use of multi-energy implants. For single-energy implants, data shown which map at surface together that in collision zone, as function angle relative to z axis light propagation waveguides X and Y cut LiNbO3. These indices cross over near 45°, results mode gap modes not supported. A mechanism this behavior discussed based on defect-induced lattice relaxation. phenomenon controlled may have applicability optoelectronic nonlinear materials devices.
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