Ultrafast nonlinear optics of Niobium selenide nanosheets

被引：1
|
作者：
Zhou, Li
Wang, Yiduo
Wang, Yingwei [1 ]
Kang, Jianlong
Zheng, Wanxin
He, Jun [1 ]
机构：
[1] Cent South Univ, Sch Phys & Elect, Hunan Key Lab Nanophoton & Devices, Changsha 410083, Peoples R China
来源：
JOURNAL OF NONLINEAR OPTICAL PHYSICS & MATERIALS | 2024年 / 33卷 / 01期
基金：
中国国家自然科学基金;
关键词：
Niobium selenide; saturable absorption; ultrafast carrier dynamics; BLACK PHOSPHORUS; SATURABLE ABSORBER; HIGH-ENERGY; HIGH-POWER; ABSORPTION; LASER; PHASE; DYNAMICS;
D O I：
10.1142/S0218863523400015
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
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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页数：11
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