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KY0.58Gd0.22Lu0.17Tm0.03(WO4)2 buried rib waveguide lasers |
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| Authors: | Western Bolaños Joan J Carvajal Xavier Mateos Ganapathy Senthil Murugan Ananth Subramanian James S Wilkinson Eugenio Cantelar Ginés Lifante Magdalena Aguiló Francesc Díaz |
| Affiliation: | 1. Fisica i Cristal·lografía de Materials i Nanomaterials (FiCMA-FiCNA)-EMaS, Universitat Rovira i Virgili (URV), c/Marcel·lí Domingo s/n, 43007 Tarragona, Spain;2. Optoelectronics Research Centre, University of Southampton, Highfield, Southampton SO17 1BJ, United Kingdom;3. Advanced Materials for Integrated Guided Optics (AMIGO), Departamento de Física de Materiales, Universidad Autónoma de Madrid, C/Francisco Tomas y Valiente No. 7, Ctra Colmenar Viejo, km 15, 28049 Cantoblanco Madrid, Spain |
| Abstract: | CW mirrorless laser operation at 1840 nm at room temperature was observed in buried rib waveguides of KY0.58Gd0.22Lu0.17Tm0.03(WO4)2 fabricated by structuring KY(WO4) substrates by Ar-ion milling and subsequent liquid phase epitaxial growth of the active layer on these substrates. Laser efficiency and laser threshold seems to change with the width of the channels fabricated. |
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