ArticleNano letters2025
Selective Enhancement of the Optical Chirality and Spin Angular Momentum in Plasmonic Near-Fields.
Article in Nano letters, 2025. 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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Who cites it
1 citing paper in PubMed.
- Creation and Detection of Optical Spin in a Coupled Emitter-Plasmon System.Nano letters · 2026Article
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6 authors.
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Abstract
The interaction between circularly polarized (CP) light and matter is governed by two fundamental quantities: spin angular momentum (SAM) and optical chirality (OC). While these quantities are inseparable in free space, they can be selectively enhanced in plasmonic near-field regions through appropriately designed structures. We demonstrate that the excitation of circular plasmonic nanostructures with CP light enables the selective or simultaneous enhancement of the SAM and OC through the excitation of rotating plasmon modes. Electromagnetic field analysis reveals that SAM enhancement originates from transverse SAM induced by unidirectional evanescent waves, whereas OC enhancement is governed by the interference between the plasmonic electric field and the incident magnetic field. The finite-element method simulations confirm that circular differential absorption signals arising from these enhanced near-fields clearly depend on the SAM and OC of the local fields, underscoring the importance of structural design in the detection and enhancement of CP light-matter interactions at the nanoscale.
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