Abstract:
We present a theoretical study of the spontaneous emission of a line dipole source embedded in a graphene–coated subwavelength wire of arbitrary shape. The modification of the emission and the radiation efficiencies are calculated by means of a rigorous electromagnetic method based on Green's second identity. Enhancement of these efficiencies is observed when the emission frequency coincides with one of the plasmonic resonance frequencies of the wire. The relevance of the dipole emitter position and the dipole moment orientation are evaluated. We present calculations of the near–field distribution for different frequencies which reveal the multipolar order of the plasmonic resonances. © 2017 Elsevier Ltd
Registro:
Documento: |
Artículo
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Título: | Spontaneous emission in plasmonic graphene subwavelength wires of arbitrary sections |
Autor: | Cuevas, M. |
Filiación: | Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET) and Facultad de Ingeniería y Tecnología Informática, Universidad de Belgrano, Villanueva 1324, Buenos Aires, C1426BMJ, Argentina Grupo de Electromagnetismo Aplicado, Departamento de Física, FCEN, Universidad de Buenos Aires and IFIBA, Ciudad Universitaria, Pabellón I, Buenos Aires, C1428EHA, Argentina
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Palabras clave: | Graphene; Spontaneous emission; Surface plasmon; Efficiency; Graphene; Spontaneous emission; Wire; Arbitrary sections; Different frequency; Electromagnetic methods; Emission frequency; Plasmonic resonances; Radiation efficiency; Sub-wavelength wires; Surface plasmons; Plasmons; carbon; electromagnetic method; resonance; shape; wavelength |
Año: | 2018
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Volumen: | 206
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Página de inicio: | 157
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Página de fin: | 162
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DOI: |
http://dx.doi.org/10.1016/j.jqsrt.2017.11.009 |
Título revista: | Journal of Quantitative Spectroscopy and Radiative Transfer
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Título revista abreviado: | J. Quant. Spectrosc. Radiat. Transf.
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ISSN: | 00224073
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Registro: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00224073_v206_n_p157_Cuevas |
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Citas:
---------- APA ----------
(2018)
. Spontaneous emission in plasmonic graphene subwavelength wires of arbitrary sections. Journal of Quantitative Spectroscopy and Radiative Transfer, 206, 157-162.
http://dx.doi.org/10.1016/j.jqsrt.2017.11.009---------- CHICAGO ----------
Cuevas, M.
"Spontaneous emission in plasmonic graphene subwavelength wires of arbitrary sections"
. Journal of Quantitative Spectroscopy and Radiative Transfer 206
(2018) : 157-162.
http://dx.doi.org/10.1016/j.jqsrt.2017.11.009---------- MLA ----------
Cuevas, M.
"Spontaneous emission in plasmonic graphene subwavelength wires of arbitrary sections"
. Journal of Quantitative Spectroscopy and Radiative Transfer, vol. 206, 2018, pp. 157-162.
http://dx.doi.org/10.1016/j.jqsrt.2017.11.009---------- VANCOUVER ----------
Cuevas, M. Spontaneous emission in plasmonic graphene subwavelength wires of arbitrary sections. J. Quant. Spectrosc. Radiat. Transf. 2018;206:157-162.
http://dx.doi.org/10.1016/j.jqsrt.2017.11.009