Geodesic
Surface plasmon-polaritons in a two-layer graphene structure with a dielectric barrier layer under various control regimes
Žurnal Sibirskogo federalʹnogo universiteta. Matematika i fizika, Tome 15 (2022) no. 6, pp. 730-741

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The dispersion dependences of a symmetric dielectric waveguide with graphene plates were compared in two regimes of graphene potential control from two sides of the structure. A general dispersion relation was obtained, the numerical analysis of which reveals the possibility of controlling the parameters of amplified surface modes. A numerical analysis of the dispersion relation solutions in the case of symmetry and asymmetry of the control potential on graphene layers has been carried out. A solution has been found that grows in amplitude with time in the region of negative conductivity of graphene in the presence of an inverse population of the levels.
Keywords: doped and inverted graphene, terahertz frequency range, symmetrical planar structure, chemical potential, real and imaginary parts of the propagation constant
Mots-clés : amplification. 
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     author = {Dmitry A. Evseev and Svetlana V. Eliseeva and Anatolij M. Shutyi and Dmitry I. Sementsov},
     title = {Surface plasmon-polaritons in a two-layer graphene structure with a dielectric barrier layer under various control regimes},
     journal = {\v{Z}urnal Sibirskogo federalʹnogo universiteta. Matematika i fizika},
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     publisher = {mathdoc},
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     number = {6},
     year = {2022},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/JSFU_2022_15_6_a6/}
}
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Dmitry A. Evseev; Svetlana V. Eliseeva; Anatolij M. Shutyi; Dmitry I. Sementsov. Surface plasmon-polaritons in a two-layer graphene structure with a dielectric barrier layer under various control regimes. Žurnal Sibirskogo federalʹnogo universiteta. Matematika i fizika, Tome 15 (2022) no. 6, pp. 730-741. http://geodesic.mathdoc.fr/item/JSFU_2022_15_6_a6/