Co-Lasing at 1.2 μm for Enhanced Visible Emission in Ho3+:ZrF4 Fiber Lasers

IF 2.5 3区工程技术 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Photonics Technology Letters Pub Date : 2025-09-01 DOI:10.1109/LPT.2025.3604752

Xindie Chen;Kaiqi Xu;Yaolin Fei;Yao Ma;Liujing Xu;Lu-Jian Chen;Wensong Li

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Abstract

In this study, we demonstrate that the slope efficiency for emission at 54X/75X nm in a holmium-doped zirconium fluoride (Ho3+:ZrF4) fiber is significantly enhanced by the efficient recycling of the pump excitation to the upper laser level of the visible transition through co-lasing the transition at

$1.2~\mu $

m. A 0.1 mol.% Ho3+:ZrF4 fiber was able to produce continuous-wave lasers at 54X and 75X nm with slope efficiencies of 68.7% and 27.7% when directly pumped by a blue diode laser at 450 nm in a linear cavity. Although co-lasing at

$1.2~\mu $

m can only improve the slope efficiency of the visible laser emission at lower pump powers, these results illustrate the potential of diode pumping for the efficient operation of rare-earth (RE) doped fluoride fiber lasers when implemented in conjunction with co-lasing mechanisms. The fundamental principles discussed in this study should be applicable to other glass and crystalline hosts.

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Ho3+:ZrF4光纤激光器1.2 μm共激光增强可见光发射

在这项研究中，我们证明斜率效率排放在54 x / 75 nm holmium-doped氟化锆(Ho3 +: ZrF4)纤维显著增强的高效回收泵激的上激光水平可见过渡通过co-lasing过渡~ \μm美元1.2美元。0.1 mol. % Ho3 +: ZrF4纤维能够产生连续波激光在54 x和75 nm斜率效率68.7%和27.7%的直接注入一个蓝色二极管激光器在一个线性的450海里腔。虽然在$1.2~\mu $ m的共激能只能提高较低泵浦功率下可见激光发射的斜率效率，但这些结果表明，当与共激机制一起实施时，二极管泵浦可以有效地运行稀土（RE）掺氟光纤激光器。本研究中讨论的基本原理应适用于其他玻璃和晶体基质。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

IEEE Photonics Technology Letters 工程技术-工程：电子与电气

CiteScore

5.00

自引率

3.80%

发文量

404

审稿时长

2.0 months

期刊介绍： IEEE Photonics Technology Letters addresses all aspects of the IEEE Photonics Society Constitutional Field of Interest with emphasis on photonic/lightwave components and applications, laser physics and systems and laser/electro-optics technology. Examples of subject areas for the above areas of concentration are integrated optic and optoelectronic devices, high-power laser arrays (e.g. diode, CO2), free electron lasers, solid, state lasers, laser materials'' interactions and femtosecond laser techniques. The letters journal publishes engineering, applied physics and physics oriented papers. Emphasis is on rapid publication of timely manuscripts. A goal is to provide a focal point of quality engineering-oriented papers in the electro-optics field not found in other rapid-publication journals.