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Opt Express. 2007 Apr 2;15(7):4216-23.

Analysis of sub-wavelength light propagation through long double-chain nanowires with funnel feeding.


The surface integral equation (SIE) method is utilized to characterize plasmonic waveguide made of two parallel chains of silver nanowires with radius of 25nm fed by a V-shaped funnel at a working wavelength of 600nm. The efficiency of energy transport along the waveguide due to surface plasmonic coupling is investigated for different dimensions and shapes. The opening angle of the V-shaped funnel region for optimum light capturing is included in the investigation as well. A long plasmonic double-chain waveguide of length ~3.3mum has been analyzed and optimized.

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