Soliton mode-locking and nonlinearity characterization of Yb3+:Y2SiO5 crystal

Yandang Wang; Kejian Yang; Shengzhi Zhao; Ming Li; Tao Li; Wenchao Qiao; Shande Liu; Xiancui Su; Baitao Zhang; Jingliang He; Lihe Zheng; Liangbi Su; Jun Xu

doi:10.1117/1.OE.57.6.066101

5 June 2018 Soliton mode-locking and nonlinearity characterization of Yb3+:Y2SiO5 crystal

Yandang Wang, Kejian Yang, Shengzhi Zhao, Ming Li, Tao Li, Wenchao Qiao, Shande Liu, Xiancui Su, Baitao Zhang, Jingliang He, Lihe Zheng, Liangbi Su, Jun Xu

Author Affiliations +

Optical Engineering, Vol. 57, Issue 6, 066101 (June 2018). https://doi.org/10.1117/1.OE.57.6.066101

Abstract

An efficient soliton mode-locking femtosecond Yb3 + : Y2SiO5 (Yb:YSO) laser at 1059 nm assisted with semiconductor saturable absorber mirror has been successfully realized and demonstrated. Nearly Fourier transform-limited pulse duration as short as 236 fs has been achieved with a pulse repetition frequency of 79.6 MHz and an average output power of 903 mW, corresponding to maximum pulse energy of 11.34 nJ and pulse peak power of 48 kW, respectively. The dependence of pulse duration on the intracavity pulse energy in soliton mode-locking regime has been further investigated and discussed, which is fitted by the soliton mode-locking theory and indicates the nonlinear refractive index n2 of the Yb:YSO crystal to be around 2.1 to 4.8 × 10 − 16 cm2 / W.

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Yandang Wang, Kejian Yang, Shengzhi Zhao, Ming Li, Tao Li, Wenchao Qiao, Shande Liu, Xiancui Su, Baitao Zhang, Jingliang He, Lihe Zheng, Liangbi Su, and Jun Xu "Soliton mode-locking and nonlinearity characterization of Yb3+:Y2SiO5 crystal," Optical Engineering 57(6), 066101 (5 June 2018). https://doi.org/10.1117/1.OE.57.6.066101

Received: 25 January 2018; Accepted: 16 April 2018; Published: 5 June 2018

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