Articles producció científica> Química Física i Inorgànica

Femtosecond-laser-written hexagonal cladding waveguide in Tm: KLu(WO4)(2): mu-Raman study and laser operation

  • Dades identificatives

    Identificador: imarina:3654824
    Autors:
    Kifle E., Loiko P., Mateos X., De Aldana J., Ródenas A., Griebner U., Petrov V., Aguiló M., Díaz F.
    Resum:
    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.
  • Altres:

    Autor segons l'article: Kifle E., Loiko P., Mateos X., De Aldana J., Ródenas A., Griebner U., Petrov V., Aguiló M., Díaz F.
    Departament: Química Física i Inorgànica
    Autor/s de la URV: Aguiló Díaz, Magdalena / Díaz González, Francisco Manuel / Mateos Ferré, Xavier / RODENAS SEGUI, AIRAN
    Paraules clau: Waveguides Spectroscopy Lasers materials Laser materials
    Resum: 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.
    Àrees temàtiques: Química Optics Materials science, multidisciplinary Materiais Interdisciplinar Engenharias iv Engenharias iii Engenharias ii Electronic, optical and magnetic materials Biotecnología Astronomia / física
    Accès a la llicència d'ús: https://creativecommons.org/licenses/by/3.0/es/
    ISSN: 21593930
    Adreça de correu electrònic de l'autor: magdalena.aguilo@urv.cat xavier.mateos@urv.cat f.diaz@urv.cat
    Identificador de l'autor: 0000-0001-6130-9579 0000-0003-1940-1990 0000-0003-4581-4967
    Data d'alta del registre: 2024-09-07
    Versió de l'article dipositat: info:eu-repo/semantics/publishedVersion
    Enllaç font original: https://www.osapublishing.org/ome/fulltext.cfm?uri=ome-7-12-4258&id=376698
    URL Document de llicència: https://repositori.urv.cat/ca/proteccio-de-dades/
    Referència a l'article segons font original: Optical Materials Express. 7 (12): 4258-4268
    Referència de l'ítem segons les normes APA: Kifle E., Loiko P., Mateos X., De Aldana J., Ródenas A., Griebner U., Petrov V., Aguiló M., Díaz F. (2017). Femtosecond-laser-written hexagonal cladding waveguide in Tm: KLu(WO4)(2): mu-Raman study and laser operation. Optical Materials Express, 7(12), 4258-4268. DOI: 10.1364/OME.7.004258
    DOI de l'article: 10.1364/OME.7.004258
    Entitat: Universitat Rovira i Virgili
    Any de publicació de la revista: 2017
    Tipus de publicació: Journal Publications
  • Paraules clau:

    Electronic, Optical and Magnetic Materials,Materials Science, Multidisciplinary,Optics
    Waveguides
    Spectroscopy
    Lasers materials
    Laser materials
    Química
    Optics
    Materials science, multidisciplinary
    Materiais
    Interdisciplinar
    Engenharias iv
    Engenharias iii
    Engenharias ii
    Electronic, optical and magnetic materials
    Biotecnología
    Astronomia / física
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