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Proceedings Paper

Spontaneous emission in a cylindrical nanocavity: ab initio analytical approach
Author(s): Vladimir G. Bordo
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Paper Abstract

The rigorous analytical approach for the calculation of the spontaneous decay rate for an emitter located in a cylindrical cavity of arbitrary diameter and length is developed. The approach is based on the dyadic Green's function of the Helmholtz equation which is obtained by introducing the fictitious surface current sheets at both ends of the nanocavity. The Hertz vector potentials which describe the electromagnetic field in the system are found as Fourier integrals over the path in the complex plane of the propagation constant. The integral equation which determines the field Fourier transforms is derived. The Green's function is then used to calculate the field susceptibility and the spontaneous decay rate of an emitter located inside a nanocavity. The general theory is illustrated by the calculations for the system which models an InAs quantum dot embedded in a GaAs nanowire.

Paper Details

Date Published: 30 April 2012
PDF: 9 pages
Proc. SPIE 8424, Nanophotonics IV, 84240L (30 April 2012); doi: 10.1117/12.921455
Show Author Affiliations
Vladimir G. Bordo, Syddansk Univ. (Denmark)


Published in SPIE Proceedings Vol. 8424:
Nanophotonics IV
David L. Andrews; Jean-Michel Nunzi; Andreas Ostendorf, Editor(s)

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