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Related papers: Role Played by Surface Plasmons on Plasma Instabil…

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We propose a new energy conversion approach from a dc electric field to a terahertz wave based on hybrid semiconductors by combining two-dimensional (2D) crystalline layers and a thick conducting material with possible applications as a…

Mesoscale and Nanoscale Physics · Physics 2015-09-02 Godfrey Gumbs , Andrii Iurov , Danhong Huang , Wei Pan

The effect of screening of the coulomb interaction between two layers of two-dimensional electrons, such as in graphene, by a highly doped semiconducting substrate is investigated. We employ the random-phase approximation to calculate the…

Mesoscale and Nanoscale Physics · Physics 2014-10-15 Godfrey Gumbs , Andrii Iurov , Danhong Huang

The plasmon resonances (modes) of a metal nanostructure can be defined as a dipole, a quadrupole, or high-order modes depending on the surface charge distribution induced by the incident field. In a non-symmetrical environment or clusters,…

The influence of the film thickness and the substrate's refractive index on the surface mode at the superstrate is an important study step that may help clearing some of the misunderstandings surrounding their propagation mechanism. A…

Optics · Physics 2019-07-09 Amir Djalalian-Assl

The plasmonic response of nanoparticles is exploited in many subfields of science and engineering to enhance optical signals associated with probes of nanoscale and subnanoscale entities. We develop a numerical algorithm based on previous…

Optics · Physics 2015-03-17 Paul Anton Letnes , Ingve Simonsen , D. L. Mills

Surface plasmon resonances of metallic nanostructures offer great opportunities to guide and manipulate light on the nanoscale. In the design of novel plasmonic devices, a central topic is to clarify the intricate relationship between the…

Optics · Physics 2019-09-11 Sanghyeon Yu , Habib Ammari

A metal film supports the continuum of propagating surface plasmon waves. The interaction of these waves with a dipole (nanoparticle) positioned some distance from the surface of the film can produce well defined localized plasmon modes…

Mesoscale and Nanoscale Physics · Physics 2013-10-02 E. G. Mishchenko

The surface plasmon oscillations spectra in noble metal nanoparticles - rods and spheroids embedded in a host matrix is analyzed theoretically. The important role of - electrons in formation of surface plasmon resonances is shown. A simple…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Armen Melikyan , Hayk Minassian

Active nanoplasmonics has recently led to the emergence of many promising applications. One of them is spaser (surface plasmons amplification by stimulated emission of radiation) that has been shown to generate coherent and intense fields…

Optics · Physics 2019-05-27 Mariam Tohari , Andreas Lyras , Mohamad AlSalhi

We review studies of superintense laser interaction with solid targets where the generation of propagating surface plasmons (or surface waves) plays a key role. These studies include the onset of plasma instabilities at the irradiated…

Optics · Physics 2018-04-18 A. Macchi

Plasmonic nanostructures, which are used to generate surface plasmon polaritions (SPPs), always involve sharp corners where the charges can accumulate. This can result in strong localized electromagnetic fields at the metallic corners,…

Optics · Physics 2016-09-21 Wenjie Yao , Chengwei Sun , Jianjun Chen , Qihuang Gong

Surface-plasmon polaritons (SPPs) are electromagnetic waves that propagate along metal-dielectric interfaces, with important applications in sensing, energy, and nanotechnology. While the behavior of SPPs in single metal slabs is well…

Plasmon coupling and hybridization in complex nanostructures constitutes a fertile playground for controlling light at the nanoscale. Here, we present a semi-analytical model to describe the emergence of hybrid plasmon modes guided along 2D…

Mesoscale and Nanoscale Physics · Physics 2017-12-21 P. A. D. Gonçalves , Sanshui Xiao , N. M. R. Peres , N. Asger Mortensen

Light with light control of surface plasmon polaritons is theoretically demonstrated. A barely simple and compact source of these waves consists in a finite number of slits (evenly spaced) perforating a metal film. The system scatters…

Applied Physics · Physics 2018-08-08 Sergio G. Rodrigo

Using interplay between surface plasmons and metamaterials, we propose a new technique for novel metamaterial designs. We show that surface plasmons existing on thin metal surfaces can be used to "drive" non-resonant structures in their…

Optics · Physics 2011-04-12 Durdu O. Guney , Thomas Koschny , Costas M. Soukoulis

By using the real-space method, switching of a single plasmon interacting with a hybrid nanosystem composed of a semiconductor quantum dot (SQD) and a metallic nanoparticle (MNP) coupled to one-dimensional surface plasmonic waveguide is…

Mesoscale and Nanoscale Physics · Physics 2016-01-13 Myong-Chol Ko , Nam-Chol Kim , Zhong-Hua Hao , Li Zhou , Jian-Bo Li , Qu-Quan Wang

Pattern formation induced by wrinkling is a very common phenomenon exhibited in soft-matter substrates. In all these systems wrinkles develop in presence of compressively stressed thin films lying on compliant substrates. Here we…

Mesoscale and Nanoscale Physics · Physics 2019-03-26 Maria Caterina Giordano , Francesco Buatier de Mongeot

Surface plasma waves are collective oscillations of electrons that propagate along a metal-dielectric interface. In the last ten years, several groups have reproduced fundamental quantum optics experiments with surface plasmons. Observation…

In the long-wavelength approximation, the effective conductivity tensor is introduced for graphene ribbons (strips) placed periodically at the interface between two media. The resulting conducting surface is considered as a coating for…

The combined effect due to mechanical strain, coupling to the plasmons in a doped conducting substrate, the plasmon-phonon scattering in conjunction with the role played by encapsulation of a secondary two-dimensional (2D) layer is…

Mesoscale and Nanoscale Physics · Physics 2018-08-01 Dipendra Dahal , Godfrey Gumbs , Danhong Huang
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