Spontaneous Emission Enhancement at Finite-length Metal

K. Filonenko, Morten Willatzen, V. Bordo

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We study spontaneous emission enhancement of a two-level atomic emitter placed in a dielectric medium near a finite-length cylindrical metal nanowire. We calculate the dependence of the Purcell factor and the normalized decay rate to a continuous spectrum on the nanowire radius for several emitter transition wavelengths and different orientations of the transition dipole moment. For a particular transition wavelength we calculate the dependence of these quantities as well as the β-factor on the emitter distance from the nanowire and the nanowire radius. The obtained results demonstrate that the spontaneous emission characteristics exhibit significant differences as compared to the case of an infinite wire.
Original languageEnglish
JournalProgress in Electromagnetics Research Symposium
Pages (from-to)1305-1309
Publication statusPublished - 2013
Event34th Progress In Electromagnetics Research Symposium - Stockholm, Sweden
Duration: 12 Aug 201315 Aug 2013


Conference34th Progress In Electromagnetics Research Symposium
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