Enhancing extraordinary transmission of light through a metallic nanoslit with a nanocavity antenna

FREE-DOWNLOADY Cui… – Optics letters, 2009 –
Extraordinary transmission of light through nano- holes, including single apertures and aperture
ar- rays, has attracted considerable attention and has been widely investigated in recent years
[1–4]. Sur- face plasmons (SPs), which are essentially light waves confined around metal