Refractive index profiles of LiNbO3: Ti waveguides
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Eight LiNbO3: Ti waveguides have been fabricated under differing conditions. The effective refractive indices of guided modes have been measured and successfully fitted to Gaussian index profiles. The change of refractive index and titanium concentration are related by a power law, the exponents being different for the extraordinary and the ordinary beam.
PACS42.80 66.30 85.60
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