Optical spectroscopic properties of Er3+ ions in LiNbO3 planar waveguides produced by annealed proton exchange

Pavel Capek; V. Dierolf; C. Sandmann; Pavla Nekvindova; Josef Schroefel; Anna Mackova; Vratislav Perina; Jarmila Spirkova

doi:10.1117/12.498541

8 July 2003 Optical spectroscopic properties of Er³⁺ ions in LiNbO₃ planar waveguides produced by annealed proton exchange

Pavel Capek, V. Dierolf, C. Sandmann, Pavla Nekvindova, Josef Schroefel, Anna Mackova, Vratislav Perina, Jarmila Spirkova

Author Affiliations +

Proceedings Volume 5036, Photonics, Devices, and Systems II; (2003) https://doi.org/10.1117/12.498541
Event: Photonics, Devices, and Systems II, 2002, Prague, Czech Republic

Abstract

We investigated the optical properties of Er³⁺ions in LiNbO₃ planar waveguides produced by annealed proton exchange (APE) using the site-selective method of combined excitation-emission spectroscopy at low temperature. The spectroscopic results obtained for the luminescence in the green spectral region (≈ 550nm) under the direct laser excitation at 450 nm and under two step laser excitation at 980 nm (up-conversion process) are compared with bulk material and LiNbO₃ waveguides produced by Ti-diffusion. Notable differences have been found in the kind of defect sites, in their number distribution, and in the inhomogeneous broadening of the optical transitions.

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Pavel Capek, V. Dierolf, C. Sandmann, Pavla Nekvindova, Josef Schroefel, Anna Mackova, Vratislav Perina, and Jarmila Spirkova "Optical spectroscopic properties of Er³⁺ ions in LiNbO₃ planar waveguides produced by annealed proton exchange", Proc. SPIE 5036, Photonics, Devices, and Systems II, (8 July 2003); https://doi.org/10.1117/12.498541

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