Measuring refractive index profiles of integrated LiNbO<sub>3</sub> waveguides

Article Article scientifique Article Measuring refractive index profiles of integrated LiNbO<sub>3</sub> waveguides eng 1995 author Groebli Barbara 27906 author Gisin Bernard 28672 author Gisin Nicolas 23716 author Zbinden Hugo 0000-0002-9237-1700 29543 2309-2314 10.1117/12.200614 0892-354X A nondestructive technique that provides near-field measurements as well as refractive index profiles and geometry of waveguides in LiNbO3 within a few minutes is demonstrated. It is a modification of the refracted-near-field (RNF) method well known for optical fiber characterization. Spatial resolution below 1 μm is achieved. The index resolution is about 2 x 10-4, the reproducibility better than 7%. A new calibration method for RNF measurement is introduced. Dewey 500.2 35 Groupe de physique appliquée 135 false Optical Engineering 34 8 d2271939-6d90-4238-8d3b-5d58b9552089 Article (Published version) Restricted Scan_UNIGE_2624_001.pdf 3542405 application/pdf restrictedAccess Faculté des sciences / Section de physique / Groupe de physique appliquée

Title	Published in	Access level	OA Policy	Year	Views	Downloads

Measuring refractive index profiles of integrated LiNbO₃ waveguides	Optical Engineering			1995	359	0

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Groebli, Barbara