Dispersion of the ordinary refractive-index change in a proton-exchanged LiNbO3 waveguide
- 9 April 2001
- journal article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 78 (15) , 2098-2100
- https://doi.org/10.1063/1.1359136
Abstract
The wavelength dependence of the ordinary refractive-index change of a proton exchanged LiNbO3 waveguide is determined by applying a recently proposed method based on radiation modes. A peculiar behavior is observed since the absolute value of the ordinary index change increases with the wavelength, while the extraordinary one decreases. The Sellmeier curves for the dispersion of both the index changes are provided in the wavelength range from λ=0.514 μm to λ=1.554 μm.Keywords
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