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Second-harmonic generation within a random fiber laser

delete2025-03-18
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OA
AI
Y
Yousi Yang
李单 封面图
李单 (Dan Li)
P
Pei Li
G
Guohao Fu
T
Tiancheng Qi
Y
Yijie Zhang
严平 封面图
严平 (Ping Yan)
M
Mali Gong
Q
Qirong Xiao *
DOI：10.1017/hpl.2025.25delete
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摘要

摘要

En 中文
光纤为多种非线性现象提供了便捷的接入途径。然而，由于其反演对称性，二阶非线性效应（如二次谐波产生（SHG））难以实现。在此，一种具有高光束质量的基于光纤芯的全光纤SHG在随机光纤激光器（RFL）中实现。基波（FW）在相同的RFL中产生。相位匹配条件主要通过诱导的周期性电场实现，增益通过被动时空增益调制和延长光纤得到增强。转换过程无需预处理，平均二次谐波（SH）功率高达10.06 mW，对应的转换效率大于0.04%。此外，构建了一个理论模型来解释其机制并模拟SH和FW的演化。我们的工作为生成高亮度的纤内SH提供了一种简单方法，并可能为基于全光纤χ(2)的非线性光纤光学和RFL的研究提供新的方向。
Keyword:
distributed feedback
random fiber laser
second-harmonic generation
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期刊

High Power Laser Science and Engineering 封面图
High Power Laser Science and Engineering
IF:
5.7
论文数:
817
被引数:
1.9K

机构

T
Tsinghua University
学者数:
8.6K
论文数: 4.1K
被引数: 17.7W
引用论文

引用论文

Analysis of frequency-doubling processes in optical fibers using Raman spectroscopy
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errJ. M. Gabriagues; H. Février
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Phase-matched second-harmonic generation in periodically poled optical fibers
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Phase-matched electric-field-induced second-harmonic generation in Xe-filled hollow-core photonic crystal fiber
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errMenard, Jean-Michel; Russell, Philip St. J.
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Spectral channels increase of multi-wavelength visible laser enabled by SHG-SFG hybrid processes
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Spatiotemporally mode-locked soliton fiber laser at 2.8 μm2.8 μ m的时空锁模孤子光纤激光器
errHIGH POWER LASER SCIENCE AND ENGINEERING
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Watt-level green random laser at 532 nm by SHG of a Yb-doped fiber laser
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Investigation of Intermodal Four-Wave Mixing for Nonlinear Signal Processing in Few-Mode Fibers
errIEEE Photonics Technology Letters
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errGeorg Rademacher; Ruben S. Luis; Benjamin J. Puttnam; Hideaki Furukawa; Ryo Maruyama; Kazuhiko Aikawa; Yoshinari Awaji; Naoya Wada
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High-efficiency generation in a short random fiber laser
errLaser Physics Letters
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errI D Vatnik; D V Churkin; E V Podivilov; S A Babin
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