Observation of self-Q-switching in bulk Yb: GdYSiO laser

doi:10.1088/1674-1056/27/4/044202

Abstract We report the first self-Q-switched Yb-doped GdYSiO₅ (Yb:GYSO) laser operating at 1080 nm. Stable Q-switched pulses with a repetition rate of 18.1 kHz and pulse duration of 9.45 μs are obtained. A maximum average output power of 452.6 mW is achieved with a 1% transmission output coupler. With a 3% transmission output coupler, the shortest pulse width of 6.6 μs is obtained. It demonstrates that Yb:GYSO crystal can be simultaneously employed as a saturable absorber and a gain medium to generate microsecond Q-switched pulses in the near infrared region.

Keywords: self-Q-switching Yb:GYSO saturable absorber

Received: 21 September 2017
Revised: 15 November 2017
Accepted manuscript online:

PACS:	42.60.Gd	(Q-switching)
	42.55.Tv	(Photonic crystal lasers and coherent effects)
	42.70.-a	(Optical materials)

Fund: Project supported by the National Natural Science Foundation of China (Grant No. 61575011) and the Beijing Municipal Natural Science Foundation, China (Grant No. 1102005).

Corresponding Authors: Jin-Rong Tian, Yan-Rong Song
E-mail: jrtian@bjut.edu.cn;yrsong@bjut.edu.cn

Cite this article:

Shuang Gong(公爽), Jin-Rong Tian(田金荣), He-Yang Guo Yu(郭于鹤洋), Zi-Kai Dong(董自凯), Chang-Xing Xu(许昌兴), Wen-Ping Zhang(张文平), Yan-Rong Song(宋晏蓉) Observation of self-Q-switching in bulk Yb: GdYSiO laser 2018 Chin. Phys. B 27 044202

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Observation of self-Q-switching in bulk Yb: GdYSiO laser

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