Broadband nonlinear optical response of graphdiyne for mid-infrared solid-state lasers
Broadband nonlinear optical response of graphdiyne for mid-infrared solid-state lasers
复制标题
石墨炔对中红外固体激光器的宽带非线性光学响应
DOI：
10.1007/s11433-021-1720-3
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发表时间：
2021-07
期刊：
影响因子：
--
通讯作者：
Su Liangbi
中科院分区：
文献类型：
--
作者：
Zong Mengyu;Zu Yuqian;Guo Jia;Zhang Zhen;Liu Jingjing;Ge Yanqi;Liu Jie;Su Liangbi
石墨炔（GDY）是一种新型的全碳纳米材料，被认为是最容易合成和最稳定的碳同素异形体，是一种很有前途的光电材料。在此，我们成功地制作了高质量的GDY饱和吸收体和饱和吸收镜。研究了GDY在中红外波段的宽带非线性饱和吸收和超快弛豫动态特性。利用GDY吸收体分别实现了波长为2 μm和2.8 μm的固态二极管抽运短脉冲和超短脉冲激光器。然后对结果进行了理论分析。这是首次在中红外区域使用GDY吸收器的超短脉冲激光器。这些结果坚定地证实了GDY可以成为所有固态中红外脉冲激光器的可选宽带SA，并证明了其在锁模超快激光器中的应用前景。
Graphdiyne (GDY), a novel all-carbon nanomaterial, is considered the most easily synthesized and stable carbon allotrope, positioning it as a promising photoelectric material. Herein, we successfully fabricated a high-quality GDY saturable absorber and saturable absorber mirror. Both broadband nonlinear saturable absorption and ultrafast relaxation dynamic properties in midinfrared region of the GDY were investigated. All solid-state diode-pumped short and ultrashort pulsed lasers were realized using the GDY absorber at wavelengths of 2 and 2.8 μm, respectively. The results were then theoretically analyzed. This is the first presentation of ultrashort pulsed lasers in the mid-infrared region with GDY absorbers. These results resolutely confirm that GDY could be an optional broadband SA for all solid-state mid-infrared pulsed lasers, and they evidence its promising applications in mode-locked ultrafast lasers.
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