The nonlinear optical properties of few-layer VSe2 nanosheets

被引：0
作者：
Zhang, Jiaqiang [1 ]
Chen, Hao [1 ]
Zhang, Mengyu [1 ]
Yuan, Hao [1 ]
Yin, Jinde [1 ]
Wang, Jintao [1 ]
Yan, Peiguang [1 ]
机构：
[1] Shenzhen Univ, Coll Phys & Optoelect Engn, Shenzhen Key Lab Laser Engn, Shenzhen 518060, Peoples R China
来源：
2019 18TH INTERNATIONAL CONFERENCE ON OPTICAL COMMUNICATIONS AND NETWORKS (ICOCN) | 2019年
基金：
中国国家自然科学基金;
关键词：
Mode-locked; Saturable absorbers; Nonlinear optical materials; Vanadium Diselenide; SATURABLE ABSORBER; TUNGSTEN DISULFIDE; FIBER LASER;
D O I：
10.1109/icocn.2019.8934812
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
Vanadium Diselenide (VSe2) has a high electrical conductivity owing to the electron delocalization of the vanadium lattice framework. Most of previous research has been focused on its electronic properties. The nonlinear optical properties of VSe2 have not been investigated yet. Herein, we prepared few-layer VSe2 nanoflakes by liquid phase exfoliation. Subsequently, we utilized Z-scan technique to study the nonlinear optical properties of few-layer VSe2 nanoflakes. And we prepared VSe2 based saturable absorbers (SA) and achieved passively mode-locked operation in Er-doped fiber laser. The results indicate that VSe2 nanosheets own remarkable nonlinear optical properties and could be employed as ideal saturable absorption materials in pulsed fiber lasers.
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页数：3
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