期刊
NANO LETTERS
卷 8, 期 11, 页码 3983-3988出版社
AMER CHEMICAL SOC
DOI: 10.1021/nl802509r
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资金
- U.S. Army Research Laboratory and the U.S. Army Research Office [W91 I NF-04-1-0203]
- Robert A. Welch Foundation [C-1220, C-1222]
- NSF [CNS-0421109]
- Engineering and Physical Sciences Research Council (EPSRC)
- FWO (Flanders)
- Engineering and Physical Sciences Research Council [EP/C522834/1, EP/C522834/2] Funding Source: researchfish
A metallic nanostructure consisting of a disk inside a thin ring supports superradiant and very narrow subradiant modes. Symmetry breaking in this structure enables a coupling between plasmon modes of differing multipolar order, resulting in a tunable Fano resonance. The LSPR sensitivities of the subradiant and Fano resonances are predicted to be among the largest yet for individual nanostructures.
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