journal article·2011-06

Tunable transmission and enhanced emission in ordered metallic nanostructures having varying channel shape

Yalin Lu

Applied Physics A· Volume 103· Issue 3
Publisher page

Abstract

Extraordinary transmission spectra for one-dimensional (1D) gratings and two-dimensional (2D) metallic hole arrays change with the hole channel shape. In this paper, a converging-diverging channel (CDC) design was introduced. The transmission spectra corresponding to CDC-embedded nanostructures of 1D grating, circular and rectangular holes (2D hole arrays) are analyzed using three-dimensional (3D) finite-element method. Tuning of optical transmission by changing the CDC structure has been investigated. In addition, a cavity composed of a CDC metallic grating and a 1D photonic crystal (PhC) can lead to an enhanced emission. Large coherence length of the emission can be achieved by exploiting coherent properties of surface waves in grating and PhC.
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Research context

OpenAlex topics: Plasmonic and Surface Plasmon Research · Photonic Crystals and Applications · Optical Coatings and Gratings

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

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