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American Physical Society, Physical Review Letters, 22(105)

DOI: 10.1103/physrevlett.105.227403

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Multifold Enhancement of Quantum Dot Luminescence in Plasmonic Metamaterials

Journal article published in 2010 by K. Tanaka, E. Plum, J. Y. Ou ORCID, T. Uchino, N. I. Zheludev
This paper is available in a repository.
This paper is available in a repository.

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Abstract

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. ; Comment: 4 pages, 4 figures