Highly stable MXene (V2CTx)-based harmonic pulse generation

被引：99

作者：

Huang, Weichun ^{[1
,2
]}

Ma, Chunyang ^{[2
]}

Li, Chao ^{[2
]}

Zhang, Ye ^{[2
]}

Hu, Lanping ^{[1
]}

Chen, Tingting ^{[1
]}

Tang, Yanfeng ^{[1
]}

Ju, Jianfeng ^{[1
]}

Zhang, Han ^{[2
]}

机构：

[1] Nantong Univ, Sch Chem & Chem Engn, Nantong Key Lab Intelligent & New Energy Mat, Nantong 226019, Jiangsu, Peoples R China

[2] Shenzhen Univ, Collaborat Innovat Ctr Optoelect Sci & Technol, Inst Microscale Optoelect,Minist Educ, Int Collaborat Lab 2D Mat Optoelect Sci & Technol, Shenzhen 518060, Peoples R China

来源：

NANOPHOTONICS | 2020年 / 9卷 / 08期

基金：

中国国家自然科学基金;

关键词：

harmonic pulse generation; layered materials; mode-locked fiber lasers; MXene; V2CTx; FIBER LASER; SATURABLE ABSORBER; TI3C2TX T; MODE-LOCKING; GRAPHENE; OH; WTE2;

D O I：

10.1515/nanoph-2020-0134

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

MXene as a novel two-dimensional (2D) material exhibits a lot of advantages in nonlinear optics. However, the common MXene, Ti3C2Tx and Ti2CTx nanosheets, easily suffer from degradation under ambient conditions, greatly limiting their practical applications. Here, we demonstrated one of MXene compounds, V2CTx, which has a strong modulation depth (nearly 50%), can serve as an excellent saturable absorber (SA) in passively mode-locked (PML) fiber lasers. More importantly, 206th harmonic order has been successfully generated in Er-doped mode-locked fiber laser, exhibiting maximum repetition rate of 1.01 GHz and pulse duration of 940 fs, which to the best of our knowledge, is the highest harmonic mode-locked fiber laser from the MXene SA so far. In addition, the high harmonic order mode-locked operation can maintain at least 24 h without any noticeable change, suggesting MXene V2CTx nanosheets have excellent stability in this modelocked fiber laser. It is anticipated that the present work can pave the way to new design for MXene-based hetero-structures for high-performance harmonic mode-locked lasers.

引用

页码：2577 / 2585

页数：9

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