Electromagnetic energy transport in a chain waveguide of silver nanoshell cylinder array
Plasmonic wave propagation in a chain waveguide created by a triangular array of silver nanoshell cylinder was investigated using finite element method and Finite Difference Time Domain Method. It is observed that the trimer nanoshell cylinder array provides better field propagation compared to single-chain and pair-chain nanoshell cylinder arrays. Results show that the resonant wavelength of the structure is highly sensitive to the permittivity of either the core or the surrounding medium. It is also observed that as the core thickness of the waveguide is increased surface plasmon resonance shows a red shift.
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Document Type: Research Article
Affiliations: 1: Postgraduate and Research Department of Physics, St. Thomas College, Palai, India 2: Department of Physics, Central University of Kerala, Kasaragode, India
Publication date: August 1, 2013