Bismuth nanosheets as a <i>Q</i>-switcher for a mid-infrared erbium-doped SrF<sub>2</sub> laser

Jingjing Liu; Hao Huang; Feng Zhang; Zhen Zhang; Jie Liu; Han Zhang; Liangbi Su

doi:doi:10.1364/PRJ.6.000762

Photonics Research, 2018, 6 (8): 08000762, Published Online: Aug. 1, 2018

Bismuth nanosheets as a Q-switcher for a mid-infrared erbium-doped SrF₂ laser

Jingjing Liu ¹Hao Huang ²Feng Zhang ²Zhen Zhang ³Jie Liu ^1,4,*Han Zhang ^2,6Liangbi Su ^3,5,7

Author Affiliations

¹ Shandong Provincial Key Laboratory of Optics and Photonic Devices, School of Physics and Electronics, Shandong Normal University, Jinan 250014, China

² SZU-NUS Collaborative Innovation Centre for Optoelectronic Science & Technology, and Key Laboratory of Optoelectronic Devices and Systems of the Ministry of Education and Guangdong Province, College of Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, China

³ CAS Key Laboratory of Transparent and Opto-Functional Inorganic Materials, Synthetic Single Crystal Research Center, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 201899, China

⁴ Institute of Data Science and Technology, Shandong Normal University, Jinan 250014, China

⁵ State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Chinese Academy of Sciences, Shanghai Institute of Ceramics, Shanghai 201899, China

⁶ e-mail: hzhang@szu.edu.cn

⁷ e-mail: suliangbi@mail.sic.ac.cn

Laser materials Lasers, erbium Lasers, Q-switched Lasers, solid-state

Abstract

Bismuth nanosheets (Bi-NSs) were successfully prepared and employed as saturable absorbers to generate a diode-pumped dual-wavelength Er3+:SrF2 laser in the mid-infrared region. Q-switched pulses with a maximum output power of 0.226 W were obtained at an absorbed pump power of 1.97 W. A repetition rate of 56.20 kHz and a minimum pulse duration of 980 ns were achieved. To the best of our knowledge, we present the first application of Bi-NSs in a mid-infrared all-solid-state laser. The results prove that Bi-NSs may be applied as an optical modulator in mid-infrared photonic devices or as a mode-locker and Q-switcher.

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Jingjing Liu, Hao Huang, Feng Zhang, Zhen Zhang, Jie Liu, Han Zhang, Liangbi Su. Bismuth nanosheets as a Q-switcher for a mid-infrared erbium-doped SrF₂ laser[J]. Photonics Research, 2018, 6(8): 08000762.

Bismuth nanosheets as a Q-switcher for a mid-infrared erbium-doped SrF₂ laser

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Bismuth nanosheets as a Q-switcher for a mid-infrared erbium-doped SrF₂ laser