Plasmonic excitations in ordered assemblies of metallic nanoshells

N. Stefanou; C. Tserkezis; G. Gantzounis

doi:10.1117/12.778589

6 May 2008 Plasmonic excitations in ordered assemblies of metallic nanoshells

N. Stefanou, C. Tserkezis, G. Gantzounis

Proceedings Volume 6989, Photonic Crystal Materials and Devices VIII; 698910 (2008) https://doi.org/10.1117/12.778589
Event: SPIE Photonics Europe, 2008, Strasbourg, France

Abstract

Periodic nanostructures for plasmonic engineering, comprising one or two types of silica core - metallic shell spherical particles, are studied by means of full electrodynamic calculations using the layer-multiple-scattering method. The complex photonic band structure of such three-dimensional crystals is analyzed in conjunction with relevant transmission spectra of corresponding finite slabs and the physical origin of the different optical modes is elucidated, providing a consistent interpretation of the underlying physics. In the case of binary structures, collective plasmonic modes originating from the two building components coexist, leading to broadband absorption and a rich structure of resonances and hybridization gaps over an extended frequency range.

Citation Download Citation

N. Stefanou, C. Tserkezis, and G. Gantzounis "Plasmonic excitations in ordered assemblies of metallic nanoshells", Proc. SPIE 6989, Photonic Crystal Materials and Devices VIII, 698910 (6 May 2008); https://doi.org/10.1117/12.778589

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