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Novel Dielectric-Loaded Plasmonic Waveguide for Tight-Confined Hybrid Plasmon Mode |
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| Authors: | Youqiao Ma Gerald Farrell Yuliya Semenova Hau Ping Chan Hongzhou Zhang Qiang Wu |
| Affiliation: | 1. Photonics Research Center, School of Electronic and Communications Engineering, Dublin Institute of Technology, Kevin Street, Dublin 8, Ireland 2. Department of Electronic Engineering, City University of Hong Kong, Hong Kong, China 3. School of Physics, Trinity College Dublin, Dublin 2, Ireland 4. CRANN, Trinity College Dublin, Dublin 2, Ireland |
| Abstract: | In this paper, a novel metal-dielectric waveguide structure is proposed to support hybrid long range surface plasmon polaritons (LRSPPs) with a highly confined mode field. The simulation results showed that our proposed structure has better mode confinement and propagation length compared to that of conventional dielectric-loaded surface plasmon polaritons (DLSPPs) waveguides. This structure offers greater flexibility for the design of surface plasmon polaritons (SPPs) waveguides by altering the trade-off between mode confinement and propagation length. The proposed structure has significant potential for application in highly integrated photonic circuits. |
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