Excitation enhancement of a quantum dot coupled to a plasmonic antenna.

Ureña, Esteban Bermúdez; Kreuzer, Mark P; Itzhakov, Stella; Rigneault, Hervé; Quidant, Romain; Oron, Dan; Wenger, Jérôme · Adv Mater · 2012

basic_science · Level V

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Abstract

Plasmonic antennas are key elements to control the luminescence of quantum emitters. However, the antenna's influence is often hidden by quenching losses. Here, the luminescence of a quantum dot coupled to a gold dimer antenna is investigated. Detailed analysis of the multiply excited states quantifies the antenna's influence on the excitation intensity and the luminescence quantum yield separately.

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