Influence of Insulator Layer Width on Propagation Properties of Symmetric Surface Plasmon Polariton Mode in Metal-Insulator-Metal Waveguide

Abstract:

Influence of insulator layer width on propagation properties of symmetric surface plasmon polariton (SPP) mode, which is excited through a dipole embedded in SiO2 layer of Au/SiO2/Au structure in metal-insulator-metal (MIM) waveguide, has been investigated. The symmetric SPP mode has a propagation length along SiO2/Au interface that depends on SiO2 layer width. Its maximal value is 0.61 μm with SiO2 layer width of 100 nm. These values provide a theoretical reference for designing a high-performance SPP source using Au/SiO2/Au structure.

• Periodical: Advanced Materials Research (Volume 662)
• Pages: 568-571
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.662.568
• Online since: February 2013
• Authors: Gong Li Xiao, Ji Hai Duan, Wei Lin Xu, hongwei yue, Bao Lin Wei
• Keywords: Insulator Layer Width, Metal-Insulator-Metal Waveguide, Propagation Properties, Surface Plasmon Polariton Mode

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