Before revision: 260px|A plasmonic waveguide design to facilitate negative refraction in visible spectrum Plasmonics refers to the generation, detection, and manipulation of signals at optical frequencies along metal-dielectric interfaces in the nanometer scale.
After revision: or nanoplasmonics260px|A plasmonic waveguide design to facilitate negative refraction in visible spectrum Plasmonics refers to the generation, detection, and manipulation of signals at optical frequencies along metal-dielectric interfaces in the nanometer scale.