TY  - JOUR 
AU  - Kifle, Esrom
AU  - Loiko, Pavel
AU  - Romero Vázquez, Carolina
AU  - Vázquez de Aldana, Javier R.
AU  - Ródenas, Airan
AU  - Jambunathan, Venkatesan
AU  - Zakharov, Viktor
AU  - Veniaminov, Andrey
AU  - Lucianetti, Antonio
AU  - Mocek, Tomas
AU  - Aguiló, Magdalena
AU  - Díaz, Francesc
AU  - Griebner, Uwe
AU  - Petrov, Valentin
AU  - Mateos, Xavier
PY  - 2018
UR  - http://hdl.handle.net/10366/139930
AB  - [EN]We report on the first erbium (Er3+) doped double tungstate waveguide laser. As a gain material, we studied a monoclinic Er3+:KLu(WO4)2 crystal. A depressed-index buried channel waveguide formed by a 60 μm-diameter circular cladding was fabricated...
AB  - Nm). The laser threshold was at 93 mW of absorbed pump power.
LA  - eng
PB  - Optical Society of America (Washington (D.C.), Estados Unidos)
KW  - Femtosecond laser writing
KW  - Laser amplifiers
KW  - Laser beams
KW  - Laser operation
KW  - Negative refractive index
KW  - Upconversion lasers
TI  - Fs-laser-written erbium-doped double tungstate waveguide laser
DO  - 10.1364/OE.26.030826
T2  - Optics Express
VL  - 26
M2  - 30826
ER  -