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Rai, Padmnabh; Hartmann, Nicolai; Berthelot, Johann; Colas-des-Francs, Gérard; Hartschuh, Achim; Bouhelier, Alexandre (2012): In-plane remote photoluminescence excitation of carbon nanotube by propagating surface plasmon. In: Optics letters, Vol. 37, Nr. 22: S. 4711-4713
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Abstract

In this work, we demonstrate propagating surface plasmon polariton (SPP) coupled photoluminescence (PL) excitation of single-walled carbon nanotube (SWNT). SPPs were launched at a few micrometers from individually marked SWNT, and plasmon-coupled PL was recorded to determine the efficiency of this remote in-plane addressing scheme. The efficiency depends upon the following factors: (i) longitudinal and transverse distances between the SPP launching site and the location of the SWNT and (ii) orientation of the SWNT with respect to the plasmon propagation wave vector (k SPP). Our experiment explores the possible integration of carbon nanotubes as a plasmon sensor in plasmonic and nanophotonic devices.