用于超快光子学的准二维MnSiTe纳米片

Quasi-2D MnSiTe Nanosheet for Ultrafast Photonics.

作者信息

Lu Yan, Zhou Zheng, Kan Xuefen, Yang Zixin, Deng Haiqin, Liu Bin, Wang Tongtong, Liu Fangqi, Liu Xueyu, Zhu Sicong, Yu Qiang, Wu Jian

机构信息

School of Transportation Engineering, Jiangsu Shipping College, Nantong 226010, China.

CAS Key Laboratory of Nanophotonic Materials and Devices & Key Laboratory of Nanodevices and Applications, i-Lab, Suzhou Institute of Nano-Tech and Nano-Bionics (SINANO), Chinese Academy of Sciences, Suzhou 215123, China.

出版信息

Nanomaterials (Basel). 2023 Feb 2;13(3):602. doi: 10.3390/nano13030602.

DOI:10.3390/nano13030602

PMID:36770563

原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9920741/

Abstract

The magnetic nanomaterial MnSiTe is a promising option for spin-dependent electronic and magneto-optoelectronic devices. However, its application in nonlinear optics remains fanciful. Here, we demonstrate a pulsed Er-doped fiber laser (EDFL) based on a novel quasi-2D MnSiTe saturable absorber (SA) with low pump power at 1.5 μm. The high-quality MnSiTe crystals were synthesized by the self-flux method, and the ultrathin MnSiTe nanoflakes were prepared by a simple mechanical exfoliation procedure. To the best of our knowledge, this is the first time laser pulses have been generated using quasi-2D MnSiTe. A stable pulsed laser at 1562 nm with a low threshold pump power of 60 mW was produced by integrating the MnSiTe SA into an EDFL cavity. The maximum power of the output pulse is 783 μW. The repetition rate can vary from 24.16 to 44.44 kHz, with corresponding pulse durations of 5.64 to 3.41 µs. Our results indicate that the quasi-2D MnSiTe is a promising material for application in ultrafast photonics.

摘要

磁性纳米材料MnSiTe是自旋相关电子器件和磁光电器件的一个有前景的选择。然而，其在非线性光学中的应用仍然是空想。在此，我们展示了一种基于新型准二维MnSiTe饱和吸收体（SA）的脉冲掺铒光纤激光器（EDFL），该饱和吸收体在1.5μm波长下具有低泵浦功率。通过自熔剂法合成了高质量的MnSiTe晶体，并通过简单的机械剥离程序制备了超薄的MnSiTe纳米薄片。据我们所知，这是首次使用准二维MnSiTe产生激光脉冲。通过将MnSiTe SA集成到EDFL腔中，产生了波长为1562 nm、阈值泵浦功率低至60 mW的稳定脉冲激光。输出脉冲的最大功率为783 μW。重复频率可在24.16至44.44 kHz之间变化，相应的脉冲持续时间为5.64至3.41 μs。我们的结果表明，准二维MnSiTe是一种有前景的超快光子学应用材料。