Scientific Results

Metallodielectric optical antennas for enhancing and directing spontaneous emission

Year: 2012

Authors: Chen X., Agio M., Sandoghdar V.

Autors Affiliation: Max Planck Institute for the Science of Light, 91058 Erlangen, Germany; Department of Physics, Friedrich-Alexander University Erlangen-N├╝rnberg, 91058 Erlangen, Germany; National Institute of Optics (INO-CNR) and European Laboratory for Nonlinear Spectroscopy (LENS), via Nello Carrara 1, 50019 Sesto Fiorentino (FI),Italy

Abstract: We exploit concepts from plasmonics and cavity quantum electrodynamics to devise new optical antennas for controlling spontaneous emission. The proposed antennas reduce the excited-state lifetimes to about 100 fs while maintaining quantum efficiencies around 80%.

Conference title: Information Optoelectronics, Nanofabrication and Testing
Place: Wuhan, China

KeyWords: nanoantenna; ultrafast; spontaneous decay

English