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Experimental realization of subradiant, superradiant, and fano resonances in ring/disk plasmonic nanocavities.
| Content Provider | Semantic Scholar |
|---|---|
| Author | Sonnefraud, Yannick Verellen, Niels Sobhani, Heidar Vandenbosch, Guy A. E. Moshchalkov, Victor V. Dorpe, Pol Van Nordlander, Peter J. Maier, Stefan A. |
| Copyright Year | 2010 |
| Abstract | Subradiant and superradiant plasmon modes in concentric ring/disk nanocavities are experimentally observed. The subradiance is obtained through an overall reduction of the total dipole moment of the hybridized mode due to antisymmetric coupling of the dipole moments of the parent plasmons. Multiple Fano resonances appear within the superradiant continuum when structural symmetry is broken via a nanometric displacement of the disk, due to coupling with higher order ring modes. Both subradiant modes and Fano resonances exhibit substantial reductions in line width compared to the parent plasmon resonances, opening up possibilities in optical and near IR sensing via plasmon line shape design. |
| File Format | PDF HTM / HTML |
| DOI | 10.1021/nn901580r |
| PubMed reference number | 20155967 |
| Journal | Medline |
| Volume Number | 4 |
| Issue Number | 3 |
| Alternate Webpage(s) | http://www.activeplasmonics.org/materials/pdfs/ACS_4_1664.pdf |
| Alternate Webpage(s) | https://doi.org/10.1021/nn901580r |
| Journal | ACS nano |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |