Vertically standing PtSe2 film: a saturable absorber for a passively mode-locked Nd:LuVO4 laser

Lili Tao; Xiaowen Huang; Junshan He; Yajun Lou; Longhui Zeng; Yonghui Li; Hui Long; Jingbo Li; Ling Zhang; Yuen Hong Tsang

doi:10.1364/PRJ.6.000750

Journals >Photonics Research >Volume 6 >Issue 7 >Page 750 > Article

Photonics Research
Vol. 6, Issue 7, 750 (2018)

Vertically standing PtSe₂ film: a saturable absorber for a passively mode-locked Nd:LuVO₄ laser

Lili Tao^1、†, Xiaowen Huang^2、†, Junshan He¹, Yajun Lou¹, Longhui Zeng², Yonghui Li¹, Hui Long², Jingbo Li¹, Ling Zhang^3、4、*, and Yuen Hong Tsang^2、5、*

Author Affiliations

¹School of Materials and Energy, Guangdong University of Technology, Guangzhou 510006, China

²Department of Applied Physics, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, China

³Laboratory of All-Solid-State Light Sources, Institute of Semiconductors, Chinese Academy of Sciences, Beijing 100083, China

⁴e-mail: zhangling@semi.ac.cn

⁵e-mail: yuen.tsang@polyu.edu.hk

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DOI: 10.1364/PRJ.6.000750 Cite this Article Set citation alerts

Lili Tao, Xiaowen Huang, Junshan He, Yajun Lou, Longhui Zeng, Yonghui Li, Hui Long, Jingbo Li, Ling Zhang, Yuen Hong Tsang. Vertically standing PtSe₂ film: a saturable absorber for a passively mode-locked Nd:LuVO₄ laser[J]. Photonics Research, 2018, 6(7): 750 Copy Citation Text

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Fig. 1. Schematic diagram of the mode-locked Nd:LuVO4 laser using PtSe2 film as the saturable absorber.

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Fig. 2. (a) XRD pattern of the as-prepared PtSe2 film; inset, enlarged part of the original XRD pattern of the PtSe2 film; (b) Raman spectrum of PtSe2; inset, Raman mapping image of PtSe2 film obtained within an area of 10 μm×10 μm; (c) AFM image of PtSe2 film; (d) cross-section height profile of PtSe2 film obtained from AFM image.

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Fig. 3. (a) Photograph of PtSe2 film on quartz substrate with a size of 1.5 cm×1.5 cm. (b), (c) TEM images of PtSe2 film with different magnifications; (d) HRTEM image of the PtSe2 film; (e) SAED pattern; (f) EDS spectrum of the PtSe2 film.

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Fig. 4. (a) Nonlinear optical transmittance curve of the PtSe2 film; (b)–(d) typical mode-locked pulse trains recorded on different time scales of the mode-locked solid-state laser using PtSe2 film as a saturable absorber.

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Fig. 5. (a), (b) Output spectra of the solid state before and after mode locking, respectively; (c) average output power versus incident pump power.

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