Fano-like interference of plasmon resonances at a single rod-shaped nanoantenna

Autor:	López-Tejeira, F., Paniagua-Domínguez, R., Rodríguez-Oliveros, R., Sánchez-Gil, J. A.
Rok vydání:	2011
Předmět:	Physics - Optics Condensed Matter - Mesoscale and Nanoscale Physics
Zdroj:	New J. Phys. 14 (2012) 023035
Druh dokumentu:	Working Paper
DOI:	10.1088/1367-2630/14/2/023035
Popis:	Single metallic nanorods acting as half-wave antennas in the optical range exhibit an asymmetric, multi-resonant scattering spectrum that strongly depends on both their length and dielectric properties. Here we show that such spectral features can be easily understood in terms of Fano-like interference between adjacent plasmon resonances. On the basis of analytical and numerical results for different geometries, we demonstrate that Fano resonances may appear for such single-particle nanoantennas provided that interacting resonances overlap in both spatial and frequency domains. Comment: 18 pages, 9 figures
Databáze:	arXiv
Externí odkaz:	http://arxiv.org/abs/1111.3551 Zobrazit plný text záznamu View this record from Arxiv