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The dispersion relation for magnetoplasmons in a planar superlattice with periodically alternating regions of gapless and gapped modications of graphene has been derived within the frame of the random-phase approximation. The contribution…

Mesoscale and Nanoscale Physics · Physics 2016-09-05 P. V. Ratnikov

Surface plasmon polaritons (SPPs) can be understood as two-dimensional light confined to a conductor-dielectric interface via plasmonic excitations. While low-energy SPPs behave similarly to photons, higher-frequency SPPs resemble surface…

Mesoscale and Nanoscale Physics · Physics 2026-01-07 Maxim Trushin

We study the near-field radiative energy transfer between graphene and an amorphous SiO$_2$ substrate. In comparison with the existing theories of near-field radiative heat transfer our theory takes into account that the free carriers in…

Mesoscale and Nanoscale Physics · Physics 2014-09-03 A. I. Volokitin , B. N. J. Persson

It is important to understand the electronic interaction between single-walled carbon nanotubes (SWNTs) and graphene in order to use them efficiently in multifunctional hybrid devices. Here we deposited SWNT bundles on graphene-covered…

Materials Science · Physics 2014-08-21 Rahul Rao , Neal Pierce , Archi Dasgupta

Surface plasmon resonance (SPR) has been intensively investigated and widely exploited to trap the incident light and enhance absorption in the optoelectronic devices. The availability of graphene as a plasmonic material with strong…

Surface phonon polaritons (SPhPs) - the surface-bound electromagnetic modes of a polar material resulting from the coupling of light with optic phonons - offer immense technological opportunities for nanophotonics in the infrared (IR)…

It is known that electron scattering by surface polar phonons (SPPs) of the substrate reduces their mobility in supported graphene. However, there is no experimental evidence for contribution of drag of electrons by SPP to thermoelectric…

Mesoscale and Nanoscale Physics · Physics 2016-09-07 S. V. Koniakhin , A. V. Nalitov

Surface plasmon polaritons in planar graphene superlattices with one-dimensional periodic mo-dulation of the band gap were studied. The interminiband contribution to the optical conductivity of this system was found by the equation of…

Mesoscale and Nanoscale Physics · Physics 2020-05-06 Pavel V. Ratnikov

Graphene supports surface plasmon polaritons (SPPs) with extreme field confinement and electrical tunability, but these waves are typically short-lived due to ohmic loss in the sheet. We show that embedding graphene in an active dielectric…

Optics · Physics 2026-03-24 Andrianos Sygrimis , Giorgos P. Tsironis

Phonon-polaritons are electromagnetic waves resulting from the coherent coupling of photons with optical phonons in polar dielectrics. Due to their exceptional ability to confine electric fields to deep subwavelength scales with low loss,…

Mesoscale and Nanoscale Physics · Physics 2023-10-09 Qiushi Guo , Iliya Esin , Cheng Li , Chen Chen , Song Liu , James H. Edgar , Selina Zhou , Eugene Demler , Gil Refael , Fengnian Xia

Surface plasmon polaritons (SPPs) are optical waves that propagate along a metal surface. They exhibit properties such as sub-wavelength localization and field enhancement which make them attractive for surface sensing, as commonly…

Optics · Physics 2023-01-25 Zohreh Hirbodvash , Pierre Berini

In this work, we determine the effects of temperature on the magnetoplasmon spectrum of an electrically modulated graphene monolayer as well as the two-dimensional electron gas (2DEG). The intra-Landau-band magnetoplasmon spectrum within…

Mesoscale and Nanoscale Physics · Physics 2011-09-23 M. Tahir , K. Sabeeh , A. MacKinnon

Graphene has emerged as a promising building block in the modern optics and optoelectronics due to its novel optical and electrical properties. In the mid-infrared and terahertz (THz) regime, graphene behaves like metals and supports…

Optics · Physics 2017-11-15 Shuyuan Xiao , Tao Wang , Xiaoyun Jiang , Xicheng Yan , Le Cheng , Boyun Wang , Chen Xu

This paper investigates tunable magneto-plasmons in graphene-based structures combined with gyro-electric layers. In the general waveguide, each graphene sheet has been sandwiched between two different gyro-electric layers. The whole…

Optics · Physics 2022-01-19 Mohammad Bagher Heydari

Multiple compound surface plasmon-polariton (SPP) waves can be guided by a structure consisting of a sufficiently thick layer of metal sandwiched between a homogeneous isotropic dielectric (HID) material and a dielectric structurally chiral…

Surface plasmon polaritons (SPPs) are coherent electromagnetic surface waves trapped on an insulator-conductor interface. The SPPs decay exponentially along the propagation due to conductor losses, restricting the SPPs propagation length to…

Optics · Physics 2015-12-11 M. Mattheakis , T. Oikonomou , M. I. Molina , G. P. Tsironis

By using numerical and analytical methods, we describe the generation of fine-scale lateral electromagnetic waves, called surface plasmon-polaritons (SPPs), on atomically thick, metamaterial conducting sheets in two spatial dimensions (2D).…

Computational Physics · Physics 2017-02-06 Matthias Maier , Dionisios Margetis , Mitchell Luskin

Extraordinary optical transmission is observed due to the excitation of surface plasmon polaritons (SPPs) in 2-Dimensional hexagonal anti-dot patterns of pure Ni thin films, grown on sapphire substrates. A strong enhancement of the polar…

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 there is a strong plasmonic response with light absorption…

Mesoscale and Nanoscale Physics · Physics 2013-03-04 N. M. R. Peres , Yuliy V. Bludov , A. Ferreira , Mikhail I. Vasilevskiy

The optical properties of magnetite at room temperature were studied by infrared reflectivity measurements as a function of pressure up to 8 GPa. The optical conductivity spectrum consists of a Drude term, two sharp phonon modes, a…

Strongly Correlated Electrons · Physics 2018-02-02 J. Ebad-Allah , L. Baldassarre , M. Sing , R. Claessen , V. A. M. Brabers , C. A. Kuntscher
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