Zhongben Pan,1,2 Li Wang,1 Weidong Chen,1,3 Ji Eun Baehttps://orcid.org/0000-0002-3643-4287,4 Fabian Rotermund,4 Yicheng Wang,5 Yongguang Zhao,6 Pavel Loiko,7 Xavier Mateos Ferré,8 Uwe Griebner,1 Valentin Petrov1
1Max-Born-Institut für Nichtlineare Optik und Kurzzeitspektroskopie (Germany) 2China Academy of Engineering Physics (China) 3Fujian Institute of Research on the Structure of Matter (China) 4KAIST (Korea, Republic of) 5Ruhr-Univ. Bochum (Germany) 6Jiangsu Normal Univ. (China) 7CIMAP, Univ. de Caen Normandie, CEA-CNRS-ENSICAEN (France) 8Univ. Rovira i Virgili (Spain)
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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.
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