Absorption by an Optical Dipole Antenna in a Structured Environment. (7th March 2012)

• Record Type: Journal Article
• Authors: Castanié, E.; Vincent, R.; Pierrat, R.; Carminati, R.
• Other Names: Bonod Nicolas Academic Editor.
• Is Part Of: International journal of optics. Volume 2012(2012)
• Publication Date: 2012-03-07
• Subjects: Optics -- Periodicals; Optics; Periodicals; 535
• DOI: 10.1155/2012/452047
• Languages: English
• ISSNs: 1687-9392

Abstract

Abstract : We compute generalized absorption and extinction cross-sections of an optical dipole nanoantenna in a structured environment. The expressions explicitly show the influence of radiation reaction and the local density of states on the intrinsic absorption properties of the antenna. Engineering the environment could allow to modify the overall absorption as well as the frequency and the linewidth of a resonant antenna. Conversely, a dipole antenna can be used to probe the photonic environment, in a similar way as a quantum emitter.