Theory of lasing action in plasmonic crystals
Entity
UAM. Departamento de Física Teórica de la Materia CondensadaPublisher
American Physical SocietyDate
2015-01-26Citation
10.1103/PhysRevB.91.041118
Physical Review B - Condensed Matter and Materials Physics 91.4 (2015): 041118
ISSN
1098-0121 (print); 1550-235X (online)DOI
10.1103/PhysRevB.91.041118Editor's Version
http://dx.doi.org/10.1103/PhysRevB.91.041118Subjects
Lasing action; Plasmonic crystals; Time-domain; Finite-element method; Arrays; FísicaRights
©2015 American Physical SocietyAbstract
We theoretically investigate lasing action in plasmonic crystals incorporating optically pumped four-level gain media. By using detailed simulations based on a time-domain generalization of the finite-element method, we show that the excitation of dark plasmonic resonances (via the gain medium) enables accessing the optimal
lasing characteristics of the considered class of systems. Moreover, our study reveals that, in general, arrays of nanowires feature lower lasing thresholds and larger slope efficiencies than those corresponding to periodic arrays of subwavelength apertures. These findings are of relevance for further engineering of active devices based on plasmonic crystals
Files in this item
Google Scholar:Cuerda, J.
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Rüting, Felix
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García Vidal, Fco. José
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Bravo Abad, Jorge
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