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Femtosecond-laser-written Tm:KLu(WO4)(2) waveguide lasers

  • Dades identificatives

    Identificador: imarina:3669082
    Autors:
    Kifle E, Mateos X, de Aldana JR, Ródenas A, Loiko P, Choi SY, Rotermund F, Griebner U, Petrov V, Aguiló M, Díaz F
    Resum:
    Depressed-index channel waveguides with a circular and photonic crystal cladding structures are prepared in a bulk monoclinic Tm:KLu(WO4)2 crystal by 3D direct femtosecond laser writing. The channel waveguide structures are characterized and laser operation is achieved using external mirrors. In the continuous-wave mode, the maximum output power of 46 mW is achieved at 1912 nm corresponding to a slope efficiency of 15.2% and a laser threshold of only 21 mW. Passive Q-switching of a waveguide with a circular cladding is realized using single-walled carbon nanotubes. Stable 7 nJ/50 ns pulses are achieved at a repetition rate of 1.48 MHz. This first demonstration of ?2???m fs-laser-written waveguide lasers based on monoclinic double tungstates is promising for further lasers of this type doped with Tm3+ and Ho3+??ions.
  • Altres:

    Autor segons l'article: Kifle E, Mateos X, de Aldana JR, Ródenas A, Loiko P, Choi SY, Rotermund F, 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: Hashtag Etiqueta «#» @uroweb @residentesaeu @infoAeu
    Resum: Depressed-index channel waveguides with a circular and photonic crystal cladding structures are prepared in a bulk monoclinic Tm:KLu(WO<sub>4</sub>)<sub>2</sub> crystal by 3D direct femtosecond laser writing. The channel waveguide structures are characterized and laser operation is achieved using external mirrors. In the continuous-wave mode, the maximum output power of 46 mW is achieved at 1912 nm corresponding to a slope efficiency of 15.2% and a laser threshold of only 21 mW. Passive Q-switching of a waveguide with a circular cladding is realized using single-walled carbon nanotubes. Stable 7 nJ/50 ns pulses are achieved at a repetition rate of 1.48 MHz. This first demonstration of ?2???m fs-laser-written waveguide lasers based on monoclinic double tungstates is promising for further lasers of this type doped with Tm<sup>3+</sup> and Ho<sup>3+</sup>??ions.
    Àrees temàtiques: Química Optics Odontología Medicina ii Medicina i Materiais Matemática / probabilidade e estatística Interdisciplinar General medicine Engenharias iv Engenharias iii Engenharias ii Ciências ambientais Atomic and molecular physics, and optics Astronomia / física
    Accès a la llicència d'ús: https://creativecommons.org/licenses/by/3.0/es/
    ISSN: 01469592
    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/acceptedVersion
    URL Document de llicència: https://repositori.urv.cat/ca/proteccio-de-dades/
    Referència a l'article segons font original: Optics Letters. 42 (6): 1169-1172
    Referència de l'ítem segons les normes APA: Kifle E, Mateos X, de Aldana JR, Ródenas A, Loiko P, Choi SY, Rotermund F, Griebner U, Petrov V, Aguiló M, Díaz F (2017). Femtosecond-laser-written Tm:KLu(WO4)(2) waveguide lasers. Optics Letters, 42(6), 1169-1172. DOI: 10.1364/OL.42.001169
    Entitat: Universitat Rovira i Virgili
    Any de publicació de la revista: 2017
    Tipus de publicació: Journal Publications
  • Paraules clau:

    Atomic and Molecular Physics, and Optics,Optics
    Química
    Optics
    Odontología
    Medicina ii
    Medicina i
    Materiais
    Matemática / probabilidade e estatística
    Interdisciplinar
    General medicine
    Engenharias iv
    Engenharias iii
    Engenharias ii
    Ciências ambientais
    Atomic and molecular physics, and optics
    Astronomia / física
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