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Niobium diselenide nanosheets for a vector soliton fiber laser
Journal of Materials Chemistry C ( IF 5.7 ) Pub Date : 2020-10-15 , DOI: 10.1039/d0tc03733h
Huiran Yang 1, 2, 3, 4
Affiliation  

Niobium diselenide (NbSe2), an emerging group VB transition metal dichalcogenide, has been widely used in materials science, chemistry, and physics, while the applications of NbSe2 in ultrafast photonics are still rare. In this study, a NbSe2-based saturable absorber (NbSe2-SA) is proposed by depositing NbSe2 nanosheets on the surface of a microfiber, whose modulation depth is up to 8.8%. Based on the NbSe2-SA, conventional solitons with an ultrashort pulse duration of 697 fs are achieved, which are proved to be polarization-locked vector solitons by further study. The results show that group VB transition metal dichalcogenides, including NbSe2, could be developed as effective SAs for generating ultrafast pulses, especially vector pulses.

中文翻译:

用于矢量孤子光纤激光器的二硒化铌纳米片

二硒化铌(NbSe 2)是一种新兴的VB过渡金属二卤化硫化钨,已广泛用于材料科学,化学和物理领域,而NbSe 2在超快光子学中的应用仍然很少。在这项研究中,提出了一种基于NbSe 2的可饱和吸收剂(NbSe 2 -SA),该方法是将NbSe 2纳米片沉积在调制深度高达8.8%的微纤维表面上。基于NbSe 2 -SA,获得了具有697 fs的超短脉冲持续时间的常规孤子,经进一步研究证明是偏振锁定矢量孤子。结果表明,包括NbSe 2在内的VB族过渡金属二卤化物可以被开发为有效的SA,用于生成超快脉冲,尤其是矢量脉冲。
更新日期:2020-10-16
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