Journal
OPTIK
Volume 264, Issue -, Pages -Publisher
ELSEVIER GMBH
DOI: 10.1016/j.ijleo.2022.169411
Keywords
Fiber laser; Mode-locked; Saturable absorber
Categories
Funding
- Shandong Provincial Natural Science Foundation, China [ZR2020QA066, ZR2021QA050, ZR2020MA087]
- National Natural Science Foundation of China [11904213]
- Opening Foundation of Shandong Provincial Key Laboratory of Laser Technology and Application
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A Pb3Sn4FeSb2S14-polyvinyl alcohol film was prepared using the liquid phase exfoliation method and its nonlinear optical properties were studied. The film was used as a saturable absorber in an Er-doped fiber laser, enabling easy generation of large-energy mode-locked pulses.
With liquid phase exfoliation method, Pb3Sn4FeSb2S14- polyvinyl alcohol film was prepared and its nonlinear optical properties were studied, the saturable intensity and the modulation depth of Pb3Sn4FeSb2S14 saturable absorber were 18.66 MW/cm(2) and 3.94 %, respectively. When inserting the Pb3Sn4FeSb2S14- polyvinyl alcohol film into an Er-doped fiber laser as saturable absorber, the large-energy mode-locked operation was obtained easily. Stable mode-locked pulses were generated at 1560.84 nm with a maximum average output power of 14.16 mW, and the corresponding maximum pulse energy was 38.56 nJ. The experimental results proved that Pb3Sn4FeSb2S14 nanosheets with excellent nonlinear optical property could be competitive saturable absorber for large-energy pulsed fiber lasers.
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