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An order of magnitude increase in the quantum efficiency of (Al)GaAs nanowires using hybrid photonic–plasmonic modes

Mokkapati, Sudha; Saxena, Dhruv; Jiang, Nian; Li, Li; Tan, Hark Hoe; Jagadish, Chennupati


We demonstrate 900% relative enhancement in the quantum efficiency (QE) of surface passivated GaAs nanowires by coupling them to resonant nanocavities that support hybrid photonic-plasmonic modes. This nonconventional approach to increase the QE of GaAs nanowires results in QE enhancement over the entire nanowire volume and is not limited to the near-field of the plasmonic structure. Our cavity design enables spatially and spectrally tunable resonant modes and efficient in- and out-coupling of...[Show more]

CollectionsANU Research Publications
Date published: 2015-01-14
Type: Journal article
Source: Nano Letters
DOI: 10.1021/nl503593w


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