Abstract
In this paper we investigated the enhanced transmission and surface plasmon resonance through a thin gold film with a periodic array of subwavelength nanoholes. Both freestanding gold-film nanohole arrays and gold-film nanohole arrays deposited on a gallium arsenide (GaAs) substrate are considered. Periodic arrays of nanoholes exhibit two different surface plasmon resonance features: localized waveguide resonance and the well-recognized photonic crystal resonance. The tangential electric field component E y is nonzero only in the hole region for a freestanding gold-film nanohole array, but it can exist in the hole region and in the metallic region for a gold-film nanohole array deposited on a GaAs substrate.
| Original language | English |
|---|---|
| Pages (from-to) | 23-28 |
| Number of pages | 6 |
| Journal | Solid State Communications |
| Volume | 145 |
| Issue number | 1-2 |
| DOIs | |
| State | Published - Jan 2008 |
| Externally published | Yes |
Keywords
- A. Nanohole arrays
- D. Localized waveguide resonance
- D. Photonic crystal resonance
- D. Surface plasmon
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