44-fs pulse generation at 2.05 &#x00B5;m from a SESAM mode-locked Tm:GdScO<sub>3</sub> laser

Ning Zhang; Ning Zhang; Qingsong Song; Jingjing Zhou; Jian Liu; Jian Liu; Shande Liu; Huiyun Zhang; Xiaodong Xu; Xiaodong Xu; Yanyan Xue; Jun Xu; Weidong Chen; Yongguang Zhao; Uwe Griebner; Valentin Petrov

doi:10.1364/OL.480400

Optics Letters
Vol. 48,
Issue 2,
pp. 510-513
(2023)
•https://doi.org/10.1364/OL.480400

44-fs pulse generation at 2.05 µm from a SESAM mode-locked Tm:GdScO₃ laser

Ning Zhang, Qingsong Song, Jingjing Zhou, Jian Liu, Shande Liu, Huiyun Zhang, Xiaodong Xu, Yanyan Xue, Jun Xu, Weidong Chen, Yongguang Zhao, Uwe Griebner, and Valentin Petrov

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Ning Zhang, Qingsong Song, Jingjing Zhou, Jian Liu, Shande Liu, Huiyun Zhang, Xiaodong Xu, Yanyan Xue, Jun Xu, Weidong Chen, Yongguang Zhao, Uwe Griebner, and Valentin Petrov, "44-fs pulse generation at 2.05 µm from a SESAM mode-locked Tm:GdScO₃ laser," Opt. Lett. 48, 510-513 (2023)

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- Lasers and Laser Optics
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About this Article
History
- Original Manuscript: November 7, 2022
- Revised Manuscript: December 20, 2022
- Manuscript Accepted: December 20, 2022
- Published: January 12, 2023

Abstract

Pulses as short as 44 fs (6 optical cycles) with a spectral width of 120 nm are generated from a mode-locked solid-state laser near 2 µm employing an orthorhombic Tm:GdScO₃ perovskite crystal. The average power amounts to 188 mW at a repetition rate of ∼77.6 MHz. The strong inhomogeneous line broadening in GdScO₃ suggests optimum conditions for few-optical-cycle pulse generation of rare-earth ion doped GdScO₃ bulk lasers.

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