Near-IR photoluminescence at the photon level in a silica fiber patch cable.

IF 3.1 2区 物理与天体物理 Q2 OPTICS
Optics letters Pub Date : 2025-04-01 DOI:10.1364/OL.549799
Alexander C B Greenwood, Abhay Verma, Jackson Russett, Andi Shahaj, Li Qian
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引用次数: 0

Abstract

We measure the spectral fluorescence emitted by commercial pure-silica core and germanium-doped core fibers in the range of 760-860 nm and find that the broadband fluorescence that exists in the Ge-doped fiber can be avoided by adopting the pure-silica core fiber. Most importantly, we present a narrowband (∼1 nm FWHM) emission line characteristic of zirconia ferrules used in both commercial Ge-doped and pure-silica core fiber patch cables. The results of this work are significant to many applications in the fields of quantum optics and fluorescence spectroscopy, where strong pump light co-propagates with signals at the photon level.

二氧化硅光纤插接电缆中光子水平的近红外光致发光。
我们测量了商用纯硅芯和掺锗芯光纤在760- 860nm范围内发出的光谱荧光,发现采用纯硅芯光纤可以避免锗掺杂光纤中存在的宽带荧光。最重要的是,我们展示了商用掺锗和纯硅芯光纤插接电缆中使用的氧化锆插套的窄带(~ 1 nm FWHM)发射线特性。这项工作的结果对量子光学和荧光光谱领域的许多应用具有重要意义,在这些领域中,强泵浦光与光子水平的信号共传播。
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来源期刊
Optics letters
Optics letters 物理-光学
CiteScore
6.60
自引率
8.30%
发文量
2275
审稿时长
1.7 months
期刊介绍: The Optical Society (OSA) publishes high-quality, peer-reviewed articles in its portfolio of journals, which serve the full breadth of the optics and photonics community. Optics Letters offers rapid dissemination of new results in all areas of optics with short, original, peer-reviewed communications. Optics Letters covers the latest research in optical science, including optical measurements, optical components and devices, atmospheric optics, biomedical optics, Fourier optics, integrated optics, optical processing, optoelectronics, lasers, nonlinear optics, optical storage and holography, optical coherence, polarization, quantum electronics, ultrafast optical phenomena, photonic crystals, and fiber optics. Criteria used in determining acceptability of contributions include newsworthiness to a substantial part of the optics community and the effect of rapid publication on the research of others. This journal, published twice each month, is where readers look for the latest discoveries in optics.
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