Passively mode-locked erbium-doped fiber laser by a Mo2TiC2 MXene saturable absorber

被引：3

作者：

Lee K. ^{[1
]}

Choi J. ^{[1
]}

Kwon S.-Y. ^{[1
]}

Kim J. ^{[1
]}

Woo T. ^{[1
]}

Ryu J. ^{[1
]}

Jung J. ^{[1
]}

Lee J.H. ^{[1
]}

机构：

[1] School of Electrical and Computer Engineering, University of Seoul, 163 Seoulsiripdae-ro, Dongdaemun-gu, Seoul

来源：

Optik | 2023年 / 295卷

基金：

新加坡国家研究基金会;

关键词：

Mo2TiC2; MXene; Mode-locked fiber laser; Saturable absorber;

D O I：

10.1016/j.ijleo.2023.171531

中图分类号：

学科分类号：

摘要：

Mono- and few-layer MXenes have gained widespread use as a nonlinear material platform for saturable absorbers (SAs) when generating ultrafast mode-locked pulses. However, the manufacturing processes associated with these materials are intricate and require considerable expertise. Consequently, it would be intriguing to investigate whether bulk and/or nanoscale-layered MXenes can be used as a nonlinear optical material platform. In this study, we experimentally demonstrated a Mo2TiC2 MXene-based SA by depositing nanoscale-layered Mo2TiC2 MXene particles and a polyvinyl alcohol composite film onto a side-polished fiber device. The fabricated SA exhibited a modulation depth of 5.67% and a saturation intensity of 0.135 MW/cm2. By integrating the Mo2TiC2 MXene-based SA within an erbium-doped fiber ring cavity, we generated mode-locked pulses featuring a pulse width of 1.74 ps at a wavelength of 1557.9 nm. This investigation highlights the potential of nanoscale-layered Mo2TiC2 MXene to function as an efficient material platform for nonlinear photonics applications. © 2023 Elsevier GmbH

引用

共 81 条

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