Achievements and future perspectives of the trivalent thulium-ion-doped mixed-sesquioxide ceramics for laser applications

A Pirri, RN Maksimov, J Li, M Vannini, G Toci - Materials, 2022 - mdpi.com
This paper is devoted to reviewing the latest results achieved in solid-state lasers based on
thulium-doped mixed-sesquioxide ceramics, ie,(Lu, Sc, Y) 2O3. The near-and mid-infrared …

Tm: CALGO lasers at 2.32 µm: cascade lasing and upconversion pum**

H Dupont, P Loiko, A Tyazhev, L Giordano, Z Pan… - Optics …, 2023 - opg.optica.org
We report on the first laser operation of a disordered Tm: CaGdAlO_4 crystal on the^
3H_4?^ 3H_5 transition. Under direct pum** at 0.79 µm, it generates 264? mW at 2.32 …

Watt-level diode-pumped Tm:YVO4 laser at 2.3 µm

X Yu, H Chu, F Zha, H Pan, S Zhao, Z Pan, D Li - Optics Letters, 2022 - opg.optica.org
In this Letter, a watt-level laser diode (LD)-pumped∼ 2.3-µm (on the^ 3H_4?^ 3H_5 quasi-
four-level transition) laser is reported based on a 1.5 at.% a-cut Tm: YVO_4 crystal. The …

Diode-pumped efficient high-power cascade Tm:GdVO4 laser simultaneously operating at ∼2 μm and ∼2.3 μm

X Yu, Z Pan, H Chu, H Pan, S Zhao, D Li - Optics Express, 2023 - opg.optica.org
The laser diode (LD)-pumped efficient high-power cascade Tm: GdVO_4 laser
simultaneously operating on the^ 3F_4?^ 3H_6 (at∼ 2? μm) and^ 3H_4?^ 3H_5 (at∼ 2.3 …

Close look on cubic Tm:KY3F10 crystal for highly efficient lasing on the 3H43H5 transition

L Guillemot, P Loiko, R Soulard, A Braud… - Optics express, 2020 - opg.optica.org
We report on Czochralski growth, detailed ground-and excited-state absorption and
emission spectroscopy and highly-efficient mid-infrared (∼ 2.3 µm) laser operation of a …

Watt-level diode-pumped thulium lasers around 2.3 µm

E Kifle, P Loiko, L Guillemot, JL Doualan, F Starecki… - Applied …, 2020 - opg.optica.org
We report on efficient diode-pumped mid-infrared lasers based on Tm: LiYF_4, Tm:
Y_3Al_5O_12, and Tm: YAlO_3 crystals. These lasers operate in the continuous-wave (CW) …

Six-watt diode-pumped Tm:GdVO4 laser at 2.29 µm

X Yu, K Eremeev, Z Pan, P Loiko, H Chu, H Pan… - Optics Letters, 2023 - opg.optica.org
A compact Tm: GdVO_4 laser pumped by a 794 nm laser diode generated 6.09 W at 2.29
µm (^ 3H_4→^ 3H_5 Tm^ 3+ transition) with a high slope efficiency of 30.8% and linear …

Highly efficient 2.3 µm thulium lasers based on a high-phonon-energy crystal: evidence of vibronic-assisted emissions

P Loiko, E Kifle, L Guillemot, JL Doualan, F Starecki… - JOSA B, 2021 - opg.optica.org
We report on highly efficient and power-scalable laser operation in a thulium-doped high-
phonon-energy crystal [monoclinic double tungstate, KLu (WO_4) _2] on the^ 3H_4 …

Crystal growth, polarized spectral properties, and 2.3 µm laser performance of Tm:LuVO4 crystal

X Yu, K Eremeev, Z Pan, P Loiko, H Chu, H Pan… - Optics …, 2024 - opg.optica.org
We report on the Czochralski crystal growth, polarized optical spectroscopy, and the first
continuous-wave laser operation of 1.5 at.% Tm: LuVO_4 crystal on the^ 3H_4→^ 3H_5 …

Diode-pumped Tm: YAP laser operating at 2.3 µm with enhanced performance through cascade lasing

X Yu, F Zha, Z Pan, H Chu, H Pan, D Li - Optics Express, 2024 - opg.optica.org
The laser diode (LD)-pumped Tm: YAP (a-cut, 3.5 at.%) laser generated a maximum∼ 2.3
µm continuous wave (CW) laser output power of∼ 3 W. The higher output power benefited …