Purcell effect of asymmetric dipole source distributions in nanowire resonators

Konstantin Filonenko, Lars Duggen, Jost Adam, Morten Willatzen

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Abstract

Metal nanowire resonators allow subwavelength mode confinement and thereby the strong Purcell effect. Recent progress in fabrication of plasmonic nanowire lasers requires reliable approaches in studying resonators, where metal nanowire is an essential constitutive element. A semi-analytic study, capable of treating finite-length axially-symmetric nanowire configurations, was reported in. In some nanolaser configurations, however, one needs to treat asymmetric source distributions, e.g. the single quantum dot placed at some distance from the nanowire axis. We investigate the Purcell effect of the asymmetric source distributions in proximity to the metal nanowire in two configurations: a metal cylinder truncated by the PEC plates and finite metal cylinder in free-space. In order to evaluate Purcell factor the mode eigenvalues are precalculated using Comsol Multiphysics radio frequency module. We compare the eigenfrequency and Purcell factor values calculated in PEC-truncated model against an analytic theory, which accounts for the fundamental surface plasmon - polariton mode in the form of a standing wave between two PEC planes.
Original languageEnglish
Title of host publicationProceedings of the 2015 Optical wave and waveguide theory and numerical modelling workshop
Publication date2015
Publication statusPublished - 2015
EventOptical wave and waveguide theory and numerical modelling workshop - London, United Kingdom
Duration: 17 Apr 201518 Apr 2015

Conference

ConferenceOptical wave and waveguide theory and numerical modelling workshop
CountryUnited Kingdom
CityLondon
Period17/04/201518/04/2015

Cite this

Filonenko, K., Duggen, L., Adam, J., & Willatzen, M. (2015). Purcell effect of asymmetric dipole source distributions in nanowire resonators. In Proceedings of the 2015 Optical wave and waveguide theory and numerical modelling workshop
Filonenko, Konstantin ; Duggen, Lars ; Adam, Jost ; Willatzen, Morten. / Purcell effect of asymmetric dipole source distributions in nanowire resonators. Proceedings of the 2015 Optical wave and waveguide theory and numerical modelling workshop. 2015.
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Filonenko, K, Duggen, L, Adam, J & Willatzen, M 2015, Purcell effect of asymmetric dipole source distributions in nanowire resonators. in Proceedings of the 2015 Optical wave and waveguide theory and numerical modelling workshop. Optical wave and waveguide theory and numerical modelling workshop, London, United Kingdom, 17/04/2015.

Purcell effect of asymmetric dipole source distributions in nanowire resonators. / Filonenko, Konstantin; Duggen, Lars; Adam, Jost; Willatzen, Morten.

Proceedings of the 2015 Optical wave and waveguide theory and numerical modelling workshop. 2015.

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

TY - GEN

T1 - Purcell effect of asymmetric dipole source distributions in nanowire resonators

AU - Filonenko, Konstantin

AU - Duggen, Lars

AU - Adam, Jost

AU - Willatzen, Morten

PY - 2015

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N2 - Metal nanowire resonators allow subwavelength mode confinement and thereby the strong Purcell effect. Recent progress in fabrication of plasmonic nanowire lasers requires reliable approaches in studying resonators, where metal nanowire is an essential constitutive element. A semi-analytic study, capable of treating finite-length axially-symmetric nanowire configurations, was reported in. In some nanolaser configurations, however, one needs to treat asymmetric source distributions, e.g. the single quantum dot placed at some distance from the nanowire axis. We investigate the Purcell effect of the asymmetric source distributions in proximity to the metal nanowire in two configurations: a metal cylinder truncated by the PEC plates and finite metal cylinder in free-space. In order to evaluate Purcell factor the mode eigenvalues are precalculated using Comsol Multiphysics radio frequency module. We compare the eigenfrequency and Purcell factor values calculated in PEC-truncated model against an analytic theory, which accounts for the fundamental surface plasmon - polariton mode in the form of a standing wave between two PEC planes.

AB - Metal nanowire resonators allow subwavelength mode confinement and thereby the strong Purcell effect. Recent progress in fabrication of plasmonic nanowire lasers requires reliable approaches in studying resonators, where metal nanowire is an essential constitutive element. A semi-analytic study, capable of treating finite-length axially-symmetric nanowire configurations, was reported in. In some nanolaser configurations, however, one needs to treat asymmetric source distributions, e.g. the single quantum dot placed at some distance from the nanowire axis. We investigate the Purcell effect of the asymmetric source distributions in proximity to the metal nanowire in two configurations: a metal cylinder truncated by the PEC plates and finite metal cylinder in free-space. In order to evaluate Purcell factor the mode eigenvalues are precalculated using Comsol Multiphysics radio frequency module. We compare the eigenfrequency and Purcell factor values calculated in PEC-truncated model against an analytic theory, which accounts for the fundamental surface plasmon - polariton mode in the form of a standing wave between two PEC planes.

M3 - Article in proceedings

BT - Proceedings of the 2015 Optical wave and waveguide theory and numerical modelling workshop

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Filonenko K, Duggen L, Adam J, Willatzen M. Purcell effect of asymmetric dipole source distributions in nanowire resonators. In Proceedings of the 2015 Optical wave and waveguide theory and numerical modelling workshop. 2015