Multi-fold Enhancement of Quantum Dot Luminescence in a Plasmonic Metamaterial

Details Multi-fold Enhancement of Quantum Dot Luminescence in a Plasmonic Metamaterial Multi-fold Enhancement of Quantum Dot Luminescence in a Plasmonic Metamaterial

2010-08-27

arxiv.org/abs/1008.4770v1

Physics

Optics

4 pages, 4 figures

Scientific paper

We report that hybridizing semiconductor quantum dots with plasmonic metamaterial leads to a multi-fold intensity increase and narrowing of their photoluminescence spectrum. The luminescence enhancement is a clear manifestation of the cavity quantum electrodynamics Purcell effect that can be controlled by the metamaterial's design. This observation is an essential step towards understanding loss compensation in metamaterials with gain media and for developing metamaterial-enhanced gain media.

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