title: Multifold enhancement of quantum dot luminescence in plasmonic metamaterials.
abstract: We report that hybridizing semiconductor quantum dots with plasmonic metamaterial leads to a multifold intensity increase and narrowing of their photoluminescence spectrum. The luminescence enhancement is a clear manifestation of the cavity quantum electrodynamics Purcell effect and can be controlled by the metamaterial's design. This observation is an essential step towards understanding loss compensation in plasmonic metamaterials with gain media and for developing metamaterial-enhanced gain media.
authors.affiliation: Optoelectronics Research Centre and Centre for Photonic Metamaterials, University of Southampton, Southampton SO17 1BJ, United Kingdom. KenjiD.Tanaka@jp.sony.com
authors.forename: K
authors.initials: K
authors.lastname: Tanaka
authors.forename: E
authors.initials: E
authors.lastname: Plum
authors.forename: J Y
authors.initials: JY
authors.lastname: Ou
authors.forename: T
authors.initials: T
authors.lastname: Uchino
authors.forename: N I
authors.initials: NI
authors.lastname: Zheludev