Multimode transmission in complementary plasmonic structures at terahertz frequencies
2010 (English)In: Applied Physics Letters, ISSN 0003-6951, E-ISSN 1077-3118, Vol. 96, no 7Article in journal (Refereed) Published
A three-dimensional subwavelength structure with periodic complementary metal patterns operating in the terahertz range has been proposed and fabricated. The device clearly exhibits three transmission modes under normal incidence, where experimental results obtained by terahertz time domain spectroscopy and simulated results agree very well with each other. The multimode transmission characteristics are found to arise from both localized coupling of fields between the interacting layers and propagating surface waves due to Bloch excitations on the surface of the periodic structure.
Place, publisher, year, edition, pages
2010. Vol. 96, no 7
electromagnetic wave propagation, periodic structures, plasmonics, extraordinary optical-transmission, hole arrays, surfaces
IdentifiersURN: urn:nbn:se:kth:diva-19237DOI: 10.1063/1.3318464ISI: 000274758100087OAI: oai:DiVA.org:kth-19237DiVA: diva2:337284
QC 201005252010-08-052010-08-052013-11-19Bibliographically approved