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14 June 2004 Optical properties of Er3+-doped fluoride glass channel waveguides
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Abstract
The latest results on the preparation and characterization of Er3+-doped fluoride glass channel waveguides are presented. The waveguides are prepared by means of ion exchange between fluoride and chloride ions, through a silica mask, on ZBLA (ZrF4-BaF2-LaF3-AlF3) fluoride glass substrate. Single mode propagation is demonstrated at 1.55 μm for a 10-mm long, 5-μm wide waveguide. Propagation losses are found to be not greater than 0.28 dB/cm. An "on/off' gain of 3.9 dB is measured at the output of a 1% Er3+-4% Ce3+-doped fluoride waveguide, with about 240 mW incident pump power at 980 nm. Modelisation studies show that net gain could be achieved in (Er3+, Ce3+) doubly-doped and (Er3+, Ce3+, Yb3+) triply doped fluoride waveguides.
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Herve Haquin, Ion Vasilief, Gilles Fonteneau, Virginie Nazabal, Jean-Luc Adam, Stephan Guy, Bernard Jacquier, Maurice Couchaud, Maurice Rabarot, and Laurent Fulbert "Optical properties of Er3+-doped fluoride glass channel waveguides", Proc. SPIE 5350, Optical Components and Materials, (14 June 2004); https://doi.org/10.1117/12.532846
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