ArticleNature photonics2026
Single-atomic-ion detection with plasmon-enhanced whispering-gallery-mode microlasers.
Article in Nature photonics, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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1 citing paper in PubMed.
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2 authors.
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Abstract
Whispering-gallery-mode microlasers have emerged as powerful tools for label-free biosensing, yet their sensitivity has been limited to detecting nanoparticles larger than 10 nm. Here we demonstrate a plasmon-enhanced whispering-gallery-mode microlaser capable of detecting single atomic ions in solution, achieving unprecedented sensitivity. By integrating gold nanorods onto ytterbium-doped silica microspheres, we reduce the effective mode volume by approximately 1,000-fold and enhance the local electromagnetic field, amplifying the signal-to-noise ratio. The self-heterodyne detection of beatnote frequency shifts between split lasing modes enables the real-time monitoring of transient and permanent interactions of zinc (Zn
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