Title :
Negative Index Bands in Sub-wavelength Metallic Gratings
Author :
Dinu, M. ; Stuart, H.R.
Author_Institution :
Lucent Technol., Holmdel
Abstract :
We describe negative group index surface plasmons in nano-structured metallic gratings. The periods and amplitudes of silver gratings exhibiting negative group index, as well as the attenuation lengths of the negative-index surface waves, are derived.
Keywords :
diffraction gratings; refractive index measurement; surface plasmons; nano-structured metallic gratings; negative group index surface plasmons; negative index bands; sub-wavelength metallic gratings; Frequency; Gratings; Optical attenuators; Optical refraction; Optical surface waves; Permittivity; Photonic crystals; Plasmons; Silver; Surface waves;
Conference_Titel :
Lasers and Electro-Optics, 2007. CLEO 2007. Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-55752-834-6
DOI :
10.1109/CLEO.2007.4453622
