Passively Q-switched ytterbium-doped ScBO3 laser with black phosphorus saturable absorber

Dazhi Lu; Zhongben Pan; Rui Zhang; Tianxiang Xu; Ruilong Yang; Bingchao Yang; Zhongyuan Liu; Haohai Yu; Huaijin Zhang; Jiyang Wang

doi:10.1117/1.OE.55.8.081312

19 February 2016 Passively Q-switched ytterbium-doped ScBO₃ laser with black phosphorus saturable absorber

Dazhi Lu, Zhongben Pan, Rui Zhang, Tianxiang Xu, Ruilong Yang, Bingchao Yang, Zhongyuan Liu, Haohai Yu, Huaijin Zhang, Jiyang Wang

Author Affiliations +

Funded by: National Natural Science Foundation of China, Natural Science Foundation for Distinguished Young Scholars of Shandong Province

Optical Engineering, Vol. 55, Issue 8, 081312 (February 2016). https://doi.org/10.1117/1.OE.55.8.081312

Abstract

We demonstrate a passively Q-switched Yb³⁺-dopedScBO₃ bulk laser using a black phosphorous (BP) saturable absorber, a two-dimensional semiconductor. The response spectra of BP show that it is suitable as a universal switcher in the spectral range from the visible to midinfrared band. Considering the saturable absorption properties of BP and emission properties of Yb³⁺-doped crystals, the passively Q-switched bulk laser pulses were realized with the Yb³⁺:ScBO₃ crystal as a gain material and a fabricated BP sample as a Q-switcher. Because of the large energy storage capacity of Yb³⁺:ScBO₃, the maximum output energy is obtained to be 1.4 μJ, which is comparable with the previous reported maximum energy of graphene Q-switched lasers. The obtained results identify the potential capability of BP as a pulse modulator in bulk lasers, and BP plays an increasingly important role in a wide range of its applications, including photonics and optoelectronics.

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Dazhi Lu, Zhongben Pan, Rui Zhang, Tianxiang Xu, Ruilong Yang, Bingchao Yang, Zhongyuan Liu, Haohai Yu, Huaijin Zhang, and Jiyang Wang "Passively Q-switched ytterbium-doped ScBO₃ laser with black phosphorus saturable absorber," Optical Engineering 55(8), 081312 (19 February 2016). https://doi.org/10.1117/1.OE.55.8.081312

Published: 19 February 2016

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