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Epitaxial layers of KY1-x-yGdxLuy(WO4)(2) doped with Er3+ and Tm3+ for planar waveguide lasers
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2010 (English)In: Optical materials (Amsterdam), ISSN 0925-3467, Vol. 32, no 3, 469-474 p.Article in journal (Refereed) Published
Abstract [en]

Here we show the results we obtained in the fabrication of planar wave guide lasers based on monoclinic double tungstates doped with Er3+ and Tm3+. We have successfully introduced these ions into the lattice matched KY0.59Gd0.19Lu0.22(WO4)(2) epitaxial layers grown on KY(WO4)(2) substrates without loss of optical quality and keeping a high refractive index contrast between the epitaxial layer and the substrate. We characterized the waveguiding properties of these epitaxial layers at lambda = 632.8 nm by dark modes spectroscopy, and we showed that these waveguides can support several TE and TM modes. Spectroscopic characterization of the active lanthanide ions in these crystals is also presented.

Place, publisher, year, edition, pages
2010. Vol. 32, no 3, 469-474 p.
Keyword [en]
Monoclinic double tungstates, Optical waveguides, Lanthanide ions, Liquid phase epitaxy, single-crystals, monoclinic klu(wo4)(2), growth, yb3+
National Category
Materials Engineering Atom and Molecular Physics and Optics
URN: urn:nbn:se:kth:diva-19204DOI: 10.1016/j.optmat.2009.10.011ISI: 000274426800010ScopusID: 2-s2.0-71349084816OAI: diva2:337251
QC 20110210Available from: 2010-08-05 Created: 2010-08-05 Last updated: 2011-02-10Bibliographically approved

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Thilmann, NickyPasiskevicius, Valdas
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Laser Physics
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