Passively mode-locked Nd:YVO4/PPLN green laser using molybdenum disulfide as a saturable absorber

Shaohang Shi; Jianhua Chang; Zhenbo Yang; Rui Dai; Rong Ding; Minhao Yang

doi:10.1117/1.OE.57.9.096110

25 September 2018 Passively mode-locked Nd:YVO₄/PPLN green laser using molybdenum disulfide as a saturable absorber

Shaohang Shi, Jianhua Chang, Zhenbo Yang, Rui Dai, Rong Ding, Minhao Yang

Author Affiliations +

Optical Engineering, Vol. 57, Issue 9, 096110 (September 2018). https://doi.org/10.1117/1.OE.57.9.096110

Abstract

A molybdenum disulfide (MoS₂) saturable absorber (SA) was fabricated via the liquid-phase exfoliation method. The optical properties of MoS₂ were systematically characterized and the modulation depth was measured to be 6.2%. A laser-diode-end-pumped, passively mode-locked Nd : YVO₄ / PPLN green laser with a SA based on few-layered MoS₂ was successfully demonstrated. The pulse width of the stable continuous-wave mode-locked laser operating at 532.1 nm was 3.5 ps, and the pulse repetition frequency was 87.2 MHz. The maximum average output power of 757 mW was obtained under an absorbed pump power of 8.62 W. The calculated single pulse energy and peak power were 8.7 nJ and 2.49 kW, respectively.

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Shaohang Shi, Jianhua Chang, Zhenbo Yang, Rui Dai, Rong Ding, and Minhao Yang "Passively mode-locked Nd:YVO₄/PPLN green laser using molybdenum disulfide as a saturable absorber," Optical Engineering 57(9), 096110 (25 September 2018). https://doi.org/10.1117/1.OE.57.9.096110

Received: 30 June 2018; Accepted: 6 September 2018; Published: 25 September 2018

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