386 citations · 1.2k across the 30 of their papers we have counts for
24 papers · 1 filter
Strongly coupled magnon-plasmon polaritons in graphene- 2D ferromagnet heterostructures
A. T. Costa, M. I. Vasilevskiy, J. Fernández-Rossier +1
Magnons and plasmons are two very different types of collective modes, acting on the spin and charge degrees of freedom, respectively. At first sight, the formation of hybrid plasm…
Exciton-photon interactions in semiconductor nanocrystals: {radiative transitions, non-radiative processes,} and environment effects
Vladimir A. Burdov, Mikhail I. Vasilevskiy
In this review we discuss several fundamental processes taking place in semiconductor nanocrystals (quantum dots, QDs) when their electron subsystem interacts with electromagnetic…
Topological Photonic Tamm-States and the Su-Schrieffer-Heeger Model
J. C. G. Henriques, T. G. Rappoport, Y. V. Bludov +2
In this paper we study the formation of topological Tamm states at the interface between a semi-infinite one-dimensional photonic-crystal and a metal. We show that when the system…
Exciton-polaritons of a 2D semiconductor layer in a cylindrical microcavity
José Nuno S. Gomes, Carlos Trallero-Giner, Nuno M. R. Peres +1
We describe exciton-polariton modes formed by the interaction between excitons in a 2D layer of a transition metal dichalcogenide embedded in a cylindrical microcavity and the micr…
Excitation of localized graphene plasmons by a metallic slit
Yuliy V. Bludov, Nuno M. R. Peres, Mikhail I. Vasilevskiy
In this paper we show that graphene surface plasmons can be excited when an electromagnetic wave packet impinges on a single metal slit covered with graphene. The excitation of the…
Far-infrared Tamm polaritons in a microcavity with incorporated graphene sheet
Jorge M. S. S. Silva, Mikhail I. Vasilevskiy
Tamm polaritons (TPs) are formed at the interface between two semi-infinite periodic dielectric structures (Bragg mirrors) or other reflectors. Contrary to usual surface polaritons…
Hybrid plasmon-magnon polaritons in graphene-antiferromagnet heterostructures
Y. V. Bludov, J. N. Gomes, G. A. Farias +3
We consider a hybrid structure formed by graphene and an insulating antiferromagnet, separated by a dielectric of thickness up to . When uncoupled, both graphene…
Surface Plasmon Resonance in a metallic nanoparticle embedded in a semiconductor matrix: exciton-plasmon coupling
Rui M. S. Pereira, Joel Borges, Georgui V. Smirnov +2
We consider the effect of electromagnetic coupling between localized surface plasmons in a metallic nanoparticle (NP) and excitons or weakly interacting electron-hole pairs in a se…
Graphene Plasmons in Triangular Wedges and Grooves
P. A. D. Gonçalves, E. J. C. Dias, Sanshui Xiao +3
The ability to effectively guide electromagnetic radiation below the diffraction limit is of the utmost importance in the prospect of all-optical plasmonic circuitry. Here, we prop…
Exciton-polaritons in 2D dichalcogenide layers placed in a planar microcavity: tuneable interaction between two Bose-Einstein condensates
Mikhail I. Vasilevskiy, Darío G. Santiago-Pérez, Carlos Trallero-Giner +2
Exciton-polariton modes arising from interaction between bound excitons in monolayer thin semiconductor sheets and photons in a Fabry-Perot microcavity are considered theoretically…
Terahertz response of patterned epitaxial graphene
C. Sorger, S. Preu, J. Schmidt +5
We study the interaction between polarized terahertz (THz) radiation and micro-structured large-area graphene in transmission geometry. In order to efficiently couple the radiation…
Discrete solitons in graphene metamaterials
Yuliy V. Bludov, Daria A. Smirnova, Yuri S. Kivshar +2
We study nonlinear properties of multilayer metamaterials created by graphene sheets separated by dielectric layers. We demonstrate that such structures can support localized nonli…
Excited states of exciton-polariton condensates in 2D and 1D harmonic traps
C. Trallero-Giner, M. V. Durnev, Y. Núñez Fernández +3
We present a theoretical description of Bogolyubov-type excitations of exciton-polariton Bose-Einstein condensates (BECs) in semiconductor microcavities. For a typical two dimensio…
Optical conductivity of ABA stacked graphene trilayer: mid-IR resonance due to band nesting
Zeinab Rashidian, Yuliy V. Bludov, Ricardo M. Ribeiro +2
The band structure and the optical conductivity of an ABA (Bernal-type) stacked graphene trilayer are calculated. It is shown that, under appropriate doping, a strong resonant peak…
Extraordinary localization of TE-waves at the graphene layer
Yuliy V. Bludov, Daria A. Smirnova, Yuri S. Kivshar +2
The propagation of electromagnetic waves along the surface of a nonlinear dielectric covered by a graphene layer is investigated. The main result is that such a surface can support…
Probing spatial correlations in a system of polarizable particles via measuring its optical extinction spectrum
R. M. S. Pereira, P. Pereira, G. Smirnov +1
It is shown that quantitative information on spatial correlations in a system of polarizable particles can be extracted directly from its experimentally measurable optical spectra.…
A Primer on Surface Plasmon-Polaritons in Graphene
Yu. V. Bludov, A. Ferreira, N. M. R. Peres +1
We discuss the properties of surface plasmons-polaritons in graphene and describe three possible ways of coupling electromagnetic radiation in the terahertz (THz) spectral range to…
Exact solution for square-wave grating covered with graphene: Surface plasmon-polaritons in the THz range
N. M. R. Peres, Yuliy V. Bludov, A. Ferreira +1
We provide an analytical solution to the problem of scattering of electromagnetic radiation by a square-wave grating with a flat graphene sheet on top. We show that for deep groves…
Tunable graphene-based polarizer
Yuliy V. Bludov, Mikhail I. Vasilevskiy, Nuno M. R. Peres
It is shown that an attenuated total reflection structure containing a graphene layer can operate as a tunable polarizer of the electromagnetic radiation. The polarization angle is…
Light scattering by a medium with a spatially modulated optical conductivity: the case of graphene
N. M. R. Peres, A. Ferreira, Yu. V. Bludov +1
We describe light scattering from a graphene sheet having a modulated optical conductivity. We show that such modulation enables the excitation of surface plasmon-polaritons by an…
Graphene-based polaritonic crystal
Yuliy V. Bludov, Nuno M. R. Peres, Mikhail I. Vasilevskiy
It is shown that monolayer graphene deposited on a spatially-periodic gate behaves as a polaritonic crystal. Its band structure depending on the applied gate voltage is studied. Th…
ATR excitation of surface polaritons at the interface between a metal and a layer of nanocrystal quantum dots
Yu. V. Bludov, M. I. Vasilevskiy
Surface plasmon-polaritons in a multilayer structure consisting of a metallic film and one or more layers of nanocrystal (NC) quantum dots (QDs) are studied. It is shown that there…
Polaron relaxation in a quantum dot due to anharmonic coupling within a mean-field approach
T. Stauber, M. I. Vasilevskiy
We study the electronic relaxation in a quantum dot within the polaron approach, by focusing on the {\it reversible} anharmonic decay of longitudinal optical (LO) phonons forming t…
Electron-phonon interaction effects in semiconductor quantum dots: a non-perturbative approach
M. I. Vasilevskiy, E. V. Anda, S. S. Makler
Multiphonon processes in a model quantum dot (QD) containing two electronic states and several optical phonon modes are considered taking into account both intra- and inter-level t…