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Article Dans Une Revue Optics Express Année : 2010

Optical gain, spontaneous and stimulated emission of surface plasmon polaritons in confined plasmonic waveguide

Résumé

We develop a theoretical model to compute the local density of states in a confined plasmonic waveguide. Based on this model, we derive a simple formula with a clear physical interpretation for the lifetime modification of emitters embedded in the waveguide. The gain distribution within the active medium is then computed following the formalism developed in a recent work [Phys. Rev. B 78, 161401 (2008)], by taking rigorously into account the pump irradiance and emitters lifetime modifications in the system. We finally apply this formalism to describe gain–assisted propagation in a dielectric–loaded surface plasmon polariton waveguide.

Dates et versions

hal-00509222 , version 1 (10-08-2010)

Identifiants

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Gérard Colas Des Francs, Pierre Bramant, Jonathan Grandidier, Alexandre Bouhelier, J. C. Weeber, et al.. Optical gain, spontaneous and stimulated emission of surface plasmon polaritons in confined plasmonic waveguide. Optics Express, 2010, 18, pp.16327-16334. ⟨10.1364/OE.18.016327⟩. ⟨hal-00509222⟩
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