Single-walled carbon-nanotube saturable absorber assisted Kerr-lens mode-locked Tm:MgWO4 laser

Li Wang; Weidong Chen; Yongguang Zhao; Yicheng Wang; Zhongben Pan; Haifeng Lin; Ge Zhang; Lizhen Zhang; Zhoubin Lin; Ji Eun Bae; Tae Gwan Park; Fabian Rotermund; Pavel Loiko; Xavier Mateos; Mark Mero; Uwe Griebner; Valentin Petrov

doi:10.1364/OL.411288

Single-walled carbon-nanotube saturable absorber assisted Kerr-lens mode-locked Tm:MgWO₄ laser

Li Wang, Weidong Chen, Yongguang Zhao, Yicheng Wang, Zhongben Pan, Haifeng Lin, Ge Zhang, Lizhen Zhang, Zhoubin Lin, Ji Eun Bae, Tae Gwan Park, Fabian Rotermund, Pavel Loiko, Xavier Mateos, Mark Mero, Uwe Griebner, Valentin Petrov

Research output: Contribution to journal › Article › peer-review

17 Scopus citations

Abstract

We demonstrate sub-100-fs Kerr-lens mode-locking of a Tm:MgWO₄ laser emitting at ∼2 µm assisted by a single-walled carbon-nanotube saturable absorber. A maximum average output power of 100 mW is achieved with pulse duration of 89 fs at a pulse repetition rate of ∼86 MHz. The shortest pulse duration derived from frequency-resolved optical gating amounts to 76 fs at 2037 nm, corresponding to nearly bandwidth-limited pulses. To the best of our knowledge, these are the shortest pulses generated from any Tm-doped tungstate crystal and the first report on saturable absorber assisted Kerr-lens mode-locking of a Tm laser at ∼2 µm.

Original language	English
Pages (from-to)	6142-6145
Number of pages	4
Journal	Optics Letters
Volume	45
Issue number	22
DOIs	https://doi.org/10.1364/OL.411288
State	Published - Nov 15 2020
Externally published	Yes

Funding

Acknowledgment. Y. Zhao acknowledges financial support from the Alexander von Humboldt Foundation through a Humboldt fellowship. Funding. National Natural Science Foundation of China (61975208, 51761135115, 61575199, 61850410533, 52072351); Deutsche Forschungsgemeinschaft (PE 607/14-1); Laserlab-Europe (654148); Natural Science Foundation of Jiangsu Province (BK20190104); Sino-German Scientist Cooperation and Exchanges Mobility Programme (M-0040); China Academy of Engineering Physics (YZJJLX2018005); Fund of Key Laboratory of Optoelectronic Materials Chemistry and Physics; Chinese Academy of Sciences (2008DP173016); National Research Foundation of Korea (2020R1A4A2002828); China Scholarship Council (201704910363).

Funders	Funder number
Sino-German Scientist Cooperation and Exchanges Mobility Programme	M-0040
Alexander von Humboldt-Stiftung
Deutsche Forschungsgemeinschaft	PE 607/14-1, 654148
National Natural Science Foundation of China	61575199, 51761135115, 61850410533, 61975208, 52072351
Chinese Academy of Sciences	2008DP173016
China Academy of Engineering Physics	YZJJLX2018005
National Research Foundation of Korea	2020R1A4A2002828
China Scholarship Council	201704910363
Natural Science Foundation of Jiangsu Province	BK20190104
Key Laboratory of Research on Chemistry and Physics of Optoelectronic Materials

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title = "Single-walled carbon-nanotube saturable absorber assisted Kerr-lens mode-locked Tm:MgWO4 laser",

abstract = "We demonstrate sub-100-fs Kerr-lens mode-locking of a Tm:MgWO4 laser emitting at ∼2 µm assisted by a single-walled carbon-nanotube saturable absorber. A maximum average output power of 100 mW is achieved with pulse duration of 89 fs at a pulse repetition rate of ∼86 MHz. The shortest pulse duration derived from frequency-resolved optical gating amounts to 76 fs at 2037 nm, corresponding to nearly bandwidth-limited pulses. To the best of our knowledge, these are the shortest pulses generated from any Tm-doped tungstate crystal and the first report on saturable absorber assisted Kerr-lens mode-locking of a Tm laser at ∼2 µm.",

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AU - Wang, Li

AU - Chen, Weidong

AU - Zhao, Yongguang

AU - Wang, Yicheng

AU - Pan, Zhongben

AU - Lin, Haifeng

AU - Zhang, Ge

AU - Zhang, Lizhen

AU - Lin, Zhoubin

AU - Bae, Ji Eun

AU - Park, Tae Gwan

AU - Rotermund, Fabian

AU - Loiko, Pavel

AU - Mateos, Xavier

AU - Mero, Mark

AU - Griebner, Uwe

AU - Petrov, Valentin

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AB - We demonstrate sub-100-fs Kerr-lens mode-locking of a Tm:MgWO4 laser emitting at ∼2 µm assisted by a single-walled carbon-nanotube saturable absorber. A maximum average output power of 100 mW is achieved with pulse duration of 89 fs at a pulse repetition rate of ∼86 MHz. The shortest pulse duration derived from frequency-resolved optical gating amounts to 76 fs at 2037 nm, corresponding to nearly bandwidth-limited pulses. To the best of our knowledge, these are the shortest pulses generated from any Tm-doped tungstate crystal and the first report on saturable absorber assisted Kerr-lens mode-locking of a Tm laser at ∼2 µm.

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Single-walled carbon-nanotube saturable absorber assisted Kerr-lens mode-locked Tm:MgWO₄ laser

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