诺共振
等离子体子
法诺平面
纳米结构
极化(电化学)
物理
光谱学
分子物理学
凝聚态物理
光学
光电子学
化学
量子力学
几何学
数学
物理化学
作者
Niels Verellen,Yannick Sonnefraud,Heidar Sobhani,Hao Feng,Victor Moshchalkov,Pol Van Dorpe,Peter Nordlander,Stefan A. Maier
出处
期刊:Nano Letters
[American Chemical Society]
日期:2009-03-12
卷期号:9 (4): 1663-1667
被引量:667
摘要
We observe the appearance of Fano resonances in the optical response of plasmonic nanocavities due to the coherent coupling between their superradiant and subradiant plasmon modes. Two reduced-symmetry nanostructures probed via confocal spectroscopy, a dolmen-style slab arrangement and a ring/disk dimer, clearly exhibit the strong polarization and geometry dependence expected for this behavior at the individual nanostructure level, confirmed by full-field electrodynamic analysis of each structure. In each case, multiple Fano resonances occur as structure size is increased.
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