Ultrafast nonlinear optics of Niobium selenide nanosheets
JOURNAL OF NONLINEAR OPTICAL PHYSICS & MATERIALS(2024)
摘要
In this work, the nonlinear optical response and the ultrafast carrier dynamics in the visible region of NbSe2 are investigated. The transient absorption (TA) spectra reveal the relaxation process, including electron-phonon scattering and phonon-phonon scattering. These results contribute to an in-depth understanding of the light-matter interactions and carrier dynamics in NbSe2 and will establish a foundation for its applications in nonlinear photonic and optoelectronic devices.
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关键词
Niobium selenide,saturable absorption,ultrafast carrier dynamics
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