TY - JOUR AU - Kifle, Esrom AU - Loiko, Pavel AU - Romero Vázquez, Carolina AU - Vázquez de Aldana, Javier R. AU - Aguiló, Magdalena AU - Díaz, Francesc AU - Camy, Patrice AU - Griebner, Uwe AU - Petrov, Valentin AU - Mateos, Xavier PY - 2020 SN - 0079-6727 UR - http://hdl.handle.net/10366/146881 AB - We report on the first watt-level ultrafast laser inscribed Thulium waveguide (WG) lasers. Depressed-index buried channel WGs with a circular cladding (type III) are produced in monoclinic Tm3+:KLu(WO4)2 crystals. Laser operation is achieved under... LA - eng TI - Watt-level ultrafast laser inscribed thulium waveguide lasers DO - 10.1016/j.pquantelec.2020.100266 T2 - Progress in Quantum Electronics VL - 72 M2 - 100266 ER -