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Resonant Enhanced Wave Filter and Waveguide via Surface Plasmons

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3 Author(s)
Baoshan Guo ; Nano-Optoelectron. Lab., Grad. Univ., Beijing ; Guofeng Song ; Lianghui Chen

The authors present an analysis of plasmonic wave filter and curved waveguide, simulated using a 2-D finite-difference time-domain technique. With different dielectric materials or surface structures located on the interface of the metal/dielectric, the resonant enhanced wave filter can divide light waves of different wavelengths and guide them with low losses. And the straight or curved waveguide can confine and guide light waves in a subwavelength scale. Within the 20 mum simulation region, it is found that the intensity of the guided light at the interface is roughly four times the peak intensity of the incident light.

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Nanotechnology, IEEE Transactions on  (Volume:8 ,  Issue: 3 )