plasmonics

New nanolasers for quantum information sources

1 min read · Sun, May 1 2016

plasmonics nanolasers

Integrating coherent light sources at the nanoscale with spasers is one of the most promising applications of plasmonics. In a spaser, localized plasmon polaritons (LPPs) waves occurring at the metal-dielectric interface are amplified by an active medium. Under specific conditions, the gain of plasmonic modes can overcome the absorption losses occurring in the metal and stimulated emission of radiation occurs, as experimentally observed in optically pumped spasers. Despite the large body of experimental research, the theoretical understanding of the spaser dynamics is still challenging