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Journal Articles Applied Physics Letters Year : 2011

Thermo-electric detection of waveguided surface plasmon propagation

Abstract

The thermo-electric detection of a waveguided surface plasmon traveling along one electrode of an in-plane integrated thermocouple is demonstrated. By using a particular design of the thermocouple, the thermo-electric signal due to the losses of the plasmon mode can be separated from the non-resonant heating of the waveguide. The thermo-electric signal associated with the plasmon propagation is proportional to the power coupled into the waveguided mode and exhibits a maximum at a distance from the excitation site depending on both the heat transfer coefficient of the system and the plasmon mode damping distance.
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Dates and versions

hal-00638255 , version 1 (04-11-2011)

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Jean Claude Weeber, Karim Hassan, Alexandre Bouhelier, Gérard Colas Des Francs, Juan Arocas, et al.. Thermo-electric detection of waveguided surface plasmon propagation. Applied Physics Letters, 2011, 99, pp.031113. ⟨10.1063/1.3613964⟩. ⟨hal-00638255⟩
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