Abstract
Abstract Due to the unique properties of two-dimensional (2D) materials, much attention has been paid to the exploration and application of 2D materials. In this review, we focus on the application of 2D materials in mode-locked fiber lasers. We summarize the synthesis methods for 2D materials, fiber integration with 2D materials and 2D materials based saturable absorbers. We discuss the performance of the diverse mode-locked fiber lasers in the typical operating wavelength such as 1, 1.5, 2 and 3 μm. Finally, a summary and outlook of the further applications of the new materials in mode-locked fiber lasers are presented.
Highlights
Ultrafast lasers have attracted increasingly attention in the laser science and technology fields such as precisionThis work is licensed under the Creative Commons Attribution 4.0 PublicJ
We focus on the application of 2D materials in mode-locked fiber lasers
It is this unique structure that lead to a wide range of optical, electrical and thermal properties of transition metal dichalcogenides (TMD) [72, 73], which are used in transistors, gas sensing, photocatalytic, photodetecting and other fileds [74,75,76,77]
Summary
The electrons in 2D materials can only move freely in two dimensions, resulting in excellent characteristics such as electron transmission performance, optical and thermal properties. In 2014, Novoselov et al first exfoliated high-quality single-atom-thick graphene from graphite [61]. A number of novel 2D materials, such as BP, TMD, TIs, MXenes and single-walled carbon nanotube (SWCNT) [62], have been continuously explored. These 2D materials exhibit excellent optical and electrical properties, due to the controlled atomic layer thickness and band gap structure. We focus on the structures and properties of 2D materials
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