Journal
ADVANCED OPTICAL MATERIALS
Volume -, Issue -, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adom.202301261
Keywords
2D materials; passively Q-switched lasers; saturable absorbers; Ta2NiTe5; ternary chalcogenides
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In this study, a novel 2D ternary chalcogenide Ta2NiTe5 is synthesized using liquid-phase exfoliation technique and its nonlinear optical characteristics are investigated. Passive Q-switched lasers based on Ta2NiTe5-SA device are successfully demonstrated with minimum pulse widths at different wavelengths.
Two dimensional (2D) ternary chalcogenides, a significant class of optoelectronic materials, exhibit distinctive structures and possess exceptional physical and chemical properties. In this study, a novel 2D ternary chalcogenide, Ta2NiTe5, is synthesized using the liquid-phase exfoliation technique to create a high-quality saturable absorber (SA). The nonlinear optical characteristics of the prepared Ta2NiTe5 nanosheets, ranging from 500 nm to 3.0 mu m, are investigated using the P-scan and open-aperture Z-scan methods. Furthermore, the stable passively Q-switched lasers based on the Ta2NiTe5-SA device are realized with a minimum pulse width of 326 ns, 2.18 mu s, and 850 ns at 1.0, 2.0, and 3.0 mu m wavelengths, respectively. The findings not only provide further evidence of the promising potential of 2D ternary chalcogenides as an SA for the achievement of broadband pulsed lasers, but also pave the way for promoting their potential applications in optoelectronic devices.
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