Alireza Maleki, D. Coutts, J. Downes, B. Cumming, M. Gu, J. Dawes
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Graphene photo-detector enhanced by plasmonic coupling
A graphene-gold photo-detector produced enhanced photocurrent due to absorbed surface plasmons with p-polarized near IR excitation light, when compared with s-polarized light. Charge doping was characterized by Raman spectroscopy at different positions on the graphene.