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Proceedings Paper

Fluoride waveguide lasers grown by liquid phase epitaxy
Author(s): Florent Starecki; Western Bolaños; Gurvan Brasse; Abdelmjid Benayad; Jean-Louis Doualan; Alain Braud; Richard Moncorgé; Patrice Camy
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Paper Abstract

High optical quality rare-earth-doped LiYF4 (YLF) epitaxial layers were grown on pure YLF substrates by liquid phase epitaxy (LPE). Thulium, praseodymium and ytterbium YLF crystalline waveguides co-doped with gadolinium and/or lutetium were obtained. Spectroscopic and optical characterization of these rare-earth doped waveguides are reported. Internal propagation losses as low as 0.11 dB/cm were measured on the Tm:YLF waveguide and the overall spectroscopic characteristics of the epitaxial layers were found to be comparable to bulk crystals. Laser operation was achieved at 1.87 μm in the Tm3+ doped YLF planar waveguide with a very good efficiency of 76% with respect to the pump power. Lasing was also demonstrated in a Pr3+ doped YLF waveguide in the red and orange regions and in a Yb3+:YLF planar waveguide at 1020 nm and 994 nm.

Paper Details

Date Published: 18 March 2013
PDF: 8 pages
Proc. SPIE 8599, Solid State Lasers XXII: Technology and Devices, 859902 (18 March 2013); doi: 10.1117/12.2012510
Show Author Affiliations
Florent Starecki, CIMAP, CNRS, Univ. de Caen (France)
Western Bolaños, CIMAP, CNRS, Univ. de Caen (France)
Gurvan Brasse, CIMAP, CNRS, Univ. de Caen (France)
Abdelmjid Benayad, CIMAP, CNRS, Univ. de Caen (France)
Jean-Louis Doualan, CIMAP, CNRS, Univ. de Caen (France)
Alain Braud, CIMAP, CNRS, Univ. de Caen (France)
Richard Moncorgé, CIMAP, CNRS, Univ. de Caen (France)
Patrice Camy, CIMAP, CNRS, Univ. de Caen (France)

Published in SPIE Proceedings Vol. 8599:
Solid State Lasers XXII: Technology and Devices
W. Andrew Clarkson; Ramesh Shori, Editor(s)

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