Tm-doped mode-locking fiber lasers with 2D chromium telluride (CrTe2) materials as saturable absorbers

被引：0
|
作者：
Qiao, Junpeng [1 ]
Zhu, Ruoyi [1 ]
Wang, Jiwen [1 ]
Fan, Ranran [1 ]
Liu, Guangqiang [1 ]
Feng, Sujuan [1 ]
机构：
[1] Qufu Normal Univ, Sch Phys & Phys Engn, Qufu 273165, Peoples R China
来源：
APPLIED PHYSICS B-LASERS AND OPTICS | 2025年 / 131卷 / 03期
基金：
美国国家科学基金会; 中国国家自然科学基金;
关键词：
MU-M; NANOSHEETS;
D O I：
10.1007/s00340-025-08423-0
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
In this paper, the nonlinear optical (NLO) properties of two dimensional (2D) CrTe2-materials in 2 mu m were investigated, obtaining with a modulation depth of 6.5% and a saturable intensity of 42 MW/cm2, respectively. By using CrTe2 as a saturable absorber (SA) and operating in a Tm-doped fiber laser system, a stable fundamental mode-locking laser with the pulse width about 0.96 ps and central wavelength of 1907.2 nm has been achieved. Furthermore, multi-pulses and harmonic mode-locking operations also been observed, which indicating the potential of CrTe2 SA in pulsed laser applications.
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页数：9
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