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87 fs mode-locked Tm,Ho:CaYAlO4 laser at ∼2043 nm

Yongguang Zhao, Yicheng Wang, Xuzhao Zhang, Xavier Mateos, Zhongben Pan, Pavel Loiko, Wei Zhou, Xiaodong Xu, Ju Xu, Deyuan Shen, Soile Suomalainen, Antti Härkönen, Mircea Guina, Uwe Griebner, and Valentin Petrov

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Abstract

We report on, to the best of our knowledge, the first sub-100 fs mode-locked Ho3+-laser in the 2 μm spectral range employing a disordered co-doped Tm,Ho:CaYAlO4 (Tm,Ho:CALYO) crystal as a gain medium. Pulses as short as 87 fs are produced with an average output power of 27 mW at 80.45 MHz repetition rate. An output power of 96 mW is reached for a pulse duration of 98 fs.

© 2018 Optical Society of America

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