Author, as appears in the article.: Mateos, X. ; Kifle, E.; Vázquez de Aldana; Ródenas, J.R. ; Loiko, P.; Choi, S. Y.; Rotermund, F. ; Griebner, U. ; Petrov, V. ; Aguiló, M. ; Díaz, F.
Department: Química Física i Inorgànica
URV's Author/s: MATEOS FERRÉ, XAVIER; Kifle, E.; Vázquez de Aldana; Ródenas, J.R. ; Loiko, P.; Choi, S. Y.; Rotermund, F. ; Griebner, U. ; Petrov, V. ; AGUILÓ DÍAZ, MAGDALENA; DÍAZ GONZÁLEZ, FRANCISCO MANUEL
Keywords: Lasers materials Spectroscopy
Abstract: We report on the fabrication, ¿-Raman characterization, and continuous-wave laser operation of a channel waveguide with a hexagonal optical-lattice-like cladding fabricated in monoclinic Tm:KLu(WO4)2 crystal by femtosecond direct laser writing. ¿-Raman spectroscopy indicates preservation of the crystalline quality in the core region and an anisotropic residual stress field. When pumped by a Ti:Sapphire laser at 802 nm, the Tm:KLu(WO4)2 buried channel waveguide laser generated 136 mW at 1843.7 nm with a slope efficiency of 34.2% and a threshold as low as 21 mW, which are the record
characteristics for femtosecond-laser-written Tm crystalline waveguide lasers. The variation of the output coupling resulted in discrete wavelength tuning of the laser emission from 1785
to 1862 nm. The propagation losses in the waveguide are ~1.2 ± 0.3 dB/cm.
Research group: Física i Cristal.lografia de Materials Física i Cristal·lografia de Nanomaterials
Thematic Areas: Química Química Chemistry
licence for use: https://creativecommons.org/licenses/by/3.0/es/
ISSN: 2159-3930
Author identifier: 0000-0003-1940-1990; ; ; ; ; ; ; ; ; 0000-0001-6130-9579; 0000-0003-4581-4967
Record's date: 2018-05-29
Journal volume: 7
Papper version: info:eu-repo/semantics/publishedVersion
Link to the original source: https://www.osapublishing.org/ome/abstract.cfm?uri=ome-7-12-4258
Funding program: plan; Retos; MAT2016-75716-C2-1-R (AEI/FEDER,UE) plan; Retos; MAT2013-47395-C4-4- R plan; Retos; TEC 2014-55948-R, plan; FIS2013-44174-P plan; FIS2015-71933-REDT altres; UIC016, SA046U16 altres; Grupos consolidados; 2014SGR1358
Licence document URL: https://repositori.urv.cat/ca/proteccio-de-dades/
Article's DOI: 10.1364/OME.7.004258
Entity: Universitat Rovira i Virgili
Journal publication year: 2017
First page: 4258
Publication Type: Article Artículo Article