Presentation + Paper
4 March 2022 Sub-100 fs SWCNT-SA mode-locked Tm,Ho:LCLNGG laser
Author Affiliations +
Abstract
We report on sub-100-fs pulse generation from a passively mode-locked laser based on a novel disordered crystal, lanthanum calcium lithium niobium gallium garnet (LCLNGG) codoped with thulium (Tm3+) and holmium (Ho3+) ions. In the continuous-wave regime, the Tm,Ho:LCLNGG laser generated a maximum output power of 350 mW at 2080.5 nm with a slope efficiency of 23.8%. By using a Lyot filter, the laser wavelength was continuously tuned over a broad range of ~210 nm (1904.1 – 2114.1 nm). Soliton mode-locking was initiated and stabilized by a transmission-type single-walled carbon nanotube saturable absorber. Pulses as short as 63 fs were obtained at a central wavelength of 2072.7 nm with an average output power of 63 mW at a pulse repetition rate of ~102.5 MHz.
Conference Presentation
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Zhongben Pan, Li Wang, Weidong Chen, Ji Eun Bae, Fabian Rotermund, Yicheng Wang, Yongguang Zhao, Pavel Loiko, Xavier Mateos Ferré, Uwe Griebner, and Valentin Petrov "Sub-100 fs SWCNT-SA mode-locked Tm,Ho:LCLNGG laser", Proc. SPIE 11980, Solid State Lasers XXXI: Technology and Devices, 1198002 (4 March 2022); https://doi.org/10.1117/12.2610387
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KEYWORDS
Holmium

Thulium

Laser crystals

Mode locking

Ions

Continuous wave operation

Femtosecond lasers

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