Author, as appears in the article.: Kifle E, Mateos X, de Aldana JR, Ródenas A, Loiko P, Choi SY, Rotermund F, Griebner U, Petrov V, Aguiló M, Díaz F

Department: Química Física i Inorgànica

URV's Author/s: , / Aguiló Díaz, Magdalena / Mateos Ferré, Xavier / RODENAS SEGUI, AIRAN

Keywords: Hashtag Etiqueta «#» @uroweb @residentesaeu @infoAeu

Abstract: 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.

Thematic Areas: 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

licence for use: https://creativecommons.org/licenses/by/3.0/es/

ISSN: 01469592

Author's mail: f.diaz@urv.cat xavier.mateos@urv.cat magdalena.aguilo@urv.cat

Author identifier: 0000-0003-4581-4967 0000-0003-1940-1990 0000-0001-6130-9579

Record's date: 2023-10-14

Papper version: info:eu-repo/semantics/acceptedVersion

Link to the original source: https://www.osapublishing.org/ol/abstract.cfm?uri=ol-42-6-1169

Licence document URL: http://repositori.urv.cat/ca/proteccio-de-dades/

Papper original source: Optics Letters. 42 (6): 1169-1172

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

Article's DOI: 10.1364/OL.42.001169

Entity: Universitat Rovira i Virgili

Journal publication year: 2017

Publication Type: Journal Publications