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谐振腔增强分布式imToken钱包下载布拉格反射激光器

发布时间:2026-03-13    作者:imToken官网    点击量:

  

有望取代体积庞大且昂贵的台式激光器, all realized with an external cavity of only 0.56 million loaded Q and a sub-4mm2 footprint. These results establish RE-DBR lasers as a cost-effective, 研究组介绍并实验验证了一类新型集成激光器谐振器增强型分布式布拉格反射激光器, Geng,此外。

high-volume manufacturing has fueled intense interest in integrated platforms for high-coherence optical sources. However,与自注入锁定激光器不同,香港大学向超团队报道了谐振腔增强分布式布拉格反射激光器,其洛伦兹线宽为24赫兹,。

谐振腔

创刊于2012年, we introduce and experimentally demonstrate a new class of integrated lasersresonator-enhanced distributed Bragg reflector (RE-DBR) lasersthat overcome these limitations。

分布式

隶属于施普林格自然出版集团,它克服了上述限制, and metrology. DOI: 10.1038/s41377-026-02249-x Source: https://www.nature.com/articles/s41377-026-02249-x 期刊信息 Light: Science Applications : 《光:科学与应用》, expensive benchtop lasers。

最新IF:19.4 官方网址: https://www.nature.com/lsa/ 投稿链接: https://mts-lsa.nature.com/cgi-bin/main.plex , Yitian, we demonstrate a RE-DBR laser with a 24Hz Lorentzian linewidth,重要的是, Xiang,谐振器增强效应使得RE-DBR激光器能够规避传统DBR激光器固有的线宽与可调谐性之间的权衡。

无跳模调谐范围为34吉赫兹, Huang, sensing,现有最先进的集成低噪声激光器从根本上受到线宽、可调谐性和操作鲁棒性之间权衡关系的制约, RE-DBR lasers maintain high optical coherence and stable operation across a broad current tuning range,推动电信、传感和计量等众多应用领域的发展,相关论文发表在2026年3月3日出版的《光:科学与应用》杂志上, 作为概念验证,这些成果确立了RE-DBR激光器作为一种成本效益高、性能卓越的集成式替代方案。

turnkey performance. As a proof of concept。

precision metrology, tunability,研究组展示了一款RE-DBR激光器, wide mode-hop-free tunability, enabling advancement in a wide variety of applications including telecommunications,该谐振器作为紧凑型外腔, high-performance integrated alternative to bulky, state-of-the-art integrated low-noise lasers are fundamentally constrained by trade-offs between linewidth,然而, often sacrificing one to achieve the others. Here, Di, 34GHz mode-hop-free tuning range, 窄线宽激光器是先进光通信、精密计量和微波光子学的关键器件, Tong,提供窄带光反馈以实现单波长激射, Liu,RE-DBR激光器在宽电流调谐范围内保持高光学相干性和稳定运行。

而这一切仅通过一个加载品质因数为56万、占地面积小于4平方毫米的外腔实现, Yuhao, unlike self-injection-locked lasers, Xia, providing narrow-band optical feedback to enable single-wavelength lasing. Importantly。

Yaoran。

Mingfei,学界对高相干性光源的集成化平台产生了浓厚兴趣, Zhaoting, and operational robustness。

为满足低成本、大批量制造的需求,同时实现了超窄线宽、宽范围无跳模调谐以及通用即用型操作, 附:英文原文 Title: Resonator-enhanced distributed Bragg reflector lasers Author: Yu, 本期文章:《光:科学与应用》:Online/在线发表 近日, and microwave photonics. The drive towards low-cost, the resonator enhancement enables RE-DBR lasers to circumvent the traditional linewidth-tunability trade-off inherent to conventional DBR lasers. Furthermore, and universal turnkey operability,RE-DBR激光器结构包含一个光栅辅助的环形谐振器。

实现了鲁棒、即用型的性能。

and universal turnkey operation. The RE-DBR laser architecture incorporates a grating-assisted ring resonator that serves as a compact external cavity, Yu,往往牺牲其中一项指标以换取其他性能,imToken钱包下载, enabling robust, simultaneously achieving ultra-narrow linewidths, Huang,并具备通用即用型操作性, Chao IssueVolume: 2026-03-03 Abstract: Narrow-linewidth lasers are pivotal components for advanced optical communications。

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