MoS2/MXene pillared nanocomposite for ultrafast photonics applications

Lihao Guo; Jingjing Lei; Yongfeng Zhang; Xinghao Duan; Xiaoli Wang; Zihao Zhang; Zhiyi Wei; Lan Li; Qiyun Guo; Xiaoyao Liu; Ruizhi Ning; Junli Wang; Wenwen Hu; Weiwei Wu

doi:10.1088/1361-6528/ac68f5

MoS₂/MXene pillared nanocomposite for ultrafast photonics applications

Nanotechnology. 2022 May 11;33(31). doi: 10.1088/1361-6528/ac68f5.

Authors

Lihao Guo¹, Jingjing Lei², Yongfeng Zhang¹, Xinghao Duan², Xiaoli Wang², Zihao Zhang², Zhiyi Wei³, Lan Li¹, Qiyun Guo¹, Xiaoyao Liu¹, Ruizhi Ning⁴, Junli Wang², Wenwen Hu⁴, Weiwei Wu¹

Affiliations

¹ School of Advanced Materials and Nanotechnology, Interdisciplinary Research Center of Smart Sensors, Xidian University, People's Republic of China.
² School of Physics and Optoelectronic Engineering, Xidian University, People's Republic of China.
³ Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, People's Republic of China.
⁴ School of Areospace Science and Technology, Xidian University, People's Republic of China.

PMID: 35447608
DOI: 10.1088/1361-6528/ac68f5

Abstract

In this work, we used nanocomposite saturable absorbers (SAs) in order to precisely design and modulate the process of compositing the light absorption by band gap engineering. Due to the higher absorption intensity of our MoS₂/MXene nanocomposite, we have successfully shortened the pulse duration (1.2μs) of SA with enhancing saturable absorption intensity (7.22 MW cm^-2), and the ultra-fast fiber laser based on this nanocomposite SA has shown wider Q-switching stable range in the case of high pump power. This strategy can efficiently improve the performance of SA and shows the potential application prospect of nanocomposites in nonlinear optics.

Keywords: MXene; Q-switching; composite; saturable absorbers; ultrafast photonics.