Abstract
The coupling between the surface plasmons of two overlapping arrays of orthogonally oriented subwavelength elliptical holes has been demonstrated by terahertz time-domain spectroscopy over the 0.1-1 THz range. This enhanced transmission exhibits polarization sensitive frequency shift. Three-dimensional numerical simulations provide precise insight in the energy redistribution of the surface plasmons through the subwavelength holes. A simple theoretical model, demonstrating a strong coupling between the two subarrays, exhibits good agreement with the experimental data.
| Original language | English |
|---|---|
| Article number | 121401 |
| Journal | Physical Review B - Condensed Matter and Materials Physics |
| Volume | 73 |
| Issue number | 12 |
| DOIs | |
| Publication status | Published - 20 Mar 2006 |
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