Mid-infrared self-pulse generation and enhanced pulse compression in Ho3+/Pr3+ co-doped lasers

IF 5.4 3区材料科学 Q2 CHEMISTRY, PHYSICAL ACS Applied Energy Materials Pub Date : 2024-09-17 DOI:10.1016/j.optlastec.2024.111788

Xiaoyue Feng , Yanyan Xue , Feng Li , Xiaodong Xu , Jingjing Liu , Jie Liu , Han Zhang , Jun Xu

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Abstract

The stable ∼ 3 μm self-pulsing laser has been achieved for the first time, along with compact and efficient pulse compression and amplification, based on the growth of novel Ho,Pr:GdScO₃ crystals. Using the conventional Czochralski method, we have grown novel Ho,Pr:GdScO₃ crystals with three different polarization-directions and discovered the self-pulsing effect within the crystals. Leveraging this phenomenon, we have successfully obtained linearly-polarized self-pulsing lasers in the mid-infrared (MIR) band and demonstrated the strong stability of the pulse trains both theoretically and experimentally. In addition, a novel pulse compression and enhancement method has been developed to maximize the performance of the self-pulsed Ho,Pr:GdScO₃ lasers. Compared to self-pulsed lasers, the novel low-loss pulse compression can provide a more compact and efficient solution for enhancing the peak power of laser pulses. The results combine self-pulsed Ho,Pr:GdScO₃ crystals with pulse compression and enhancement techniques to facilitate miniaturization and integration of high-peak-power, narrow-pulse-width MIR pulsed lasers.

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Ho3+/Pr3+ 共掺杂激光器中的中红外自脉冲生成和增强型脉冲压缩

基于新型 Ho,Pr:GdScO3晶体的生长，我们首次实现了稳定的 ∼ 3 μm 自脉冲激光，以及紧凑高效的脉冲压缩和放大。利用传统的 Czochralski 方法，我们生长出了具有三种不同偏振方向的新型 Ho,Pr:GdScO3 晶体，并发现了晶体内部的自脉冲效应。利用这一现象，我们成功获得了中红外（MIR）波段的线性偏振自脉冲激光器，并在理论和实验上证明了脉冲序列的强大稳定性。此外，我们还开发了一种新颖的脉冲压缩和增强方法，以最大限度地提高自脉冲 Ho,Pr:GdScO3 激光器的性能。与自脉冲激光器相比，新型低损耗脉冲压缩能为增强激光脉冲的峰值功率提供更紧凑、更高效的解决方案。该成果将自脉冲 Ho,Pr:GdScO3 晶体与脉冲压缩和增强技术相结合，促进了高峰值功率、窄脉冲宽度近红外脉冲激光器的小型化和集成化。

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来源期刊

ACS Applied Energy Materials Materials Science-Materials Chemistry

CiteScore

10.30

自引率

6.20%

发文量

1368

期刊介绍： ACS Applied Energy Materials is an interdisciplinary journal publishing original research covering all aspects of materials, engineering, chemistry, physics and biology relevant to energy conversion and storage. The journal is devoted to reports of new and original experimental and theoretical research of an applied nature that integrate knowledge in the areas of materials, engineering, physics, bioscience, and chemistry into important energy applications.