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Proceedings Paper

Design and analysis of subwavelength plasmonic waveguide array
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Paper Abstract

We examine the propagation of plasmonic TM (Transverse Modes) modes generated in the designed periodic array of silver (Ag) embedded on silicon (Si) substrate. The properties of surface plasmons are tailored by altering the size of Ag nanorods and its periodicity. Conventional waveguides cannot guide electromagnetic energy below the diffraction limit of light, which can be overcome by texturing the metal or dielectric surface. In this hybrid design we have textured the interface by placing metallic, Ag nanorods on Si substrate placed over bilayer system of glasses. This provides the missing momentum required, since SPP modes always lay beyond the light line and has shown strong confinement of light. Ag nanorods are structured at nano dimensions to control and manipulate surface plasmon polariton (SPP) propagation and thus open new possibilities in light matter interaction.

Paper Details

Date Published: 21 September 2011
PDF: 8 pages
Proc. SPIE 8096, Plasmonics: Metallic Nanostructures and Their Optical Properties IX, 80962F (21 September 2011); doi: 10.1117/12.892906
Show Author Affiliations
Venus Dillu, Delhi Technological Univ. (India)
Shruti Singh, Delhi Technological Univ. (India)
Ravindra Kumar Sinha, Delhi Technological Univ. (India)


Published in SPIE Proceedings Vol. 8096:
Plasmonics: Metallic Nanostructures and Their Optical Properties IX
Mark I. Stockman, Editor(s)

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