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Type: Journal article
Title: High slope efficiency and high refractive index change in direct-written Yb-doped waveguide lasers with depressed claddings
Author: Palmer, G.
Gross, S.
Fuerbach, A.
Lancaster, D.
Withford, M.
Citation: Optics Express, 2013; 21(14):17413-17420
Publisher: Optical Soc Amer
Issue Date: 2013
ISSN: 1094-4087
Statement of
Guido Palmer, Simon Gross, Alexander Fuerbach, David G. Lancaster and Michael J. Withford
Abstract: We report the first Yb:ZBLAN and Yb:IOG10 waveguide lasers fabricated by the fs-laser direct-writing technique. Pulses from a Titanium-Sapphire laser oscillator with 5.1 MHz repetition rate were utilized to generate negative refractive index modifications in both glasses. Multiple modifications were aligned in a depressed cladding geometry to create a waveguide. For Yb:ZBLAN we demonstrate high laser slope efficiency of 84% with a maximum output power of 170 mW. By using Yb:IOG10 a laser performance of 25% slope efficiency and 72 mW output power was achieved and we measured a remarkably high refractive index change exceeding Δn = 2.3 × 10(-2).
Keywords: Refractometry
Surface Plasmon Resonance
Equipment Design
Equipment Failure Analysis
Energy Transfer
Rights: © 2013 OSA
DOI: 10.1364/OE.21.017413
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