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The harmonic emission from cluster nanoplasmas subject to short, intense infrared laser pulses is analyzed by means of particle-in-cell simulations. A pronounced resonant enhancement of the low-order harmonic yields is found when the Mie…

Plasma Physics · Physics 2009-11-13 M. Kundu , S. V. Popruzhenko , D. Bauer

We demonstrate that the interaction between two emitters can be controlled by means of the efficient excitation of surface plasmon modes in graphene. We consider graphene surface plasmons supported by either two-dimensional graphene sheets…

Recent experiments with film-coupled nanoparticles suggest that the impact of spatial dispersion is enhanced in plasmonic structures where high wavevector guided modes are excited. More advanced descriptions of the optical response of…

While plasma often behaves diamagnetically, we demonstrate that the laser irradiation of a thin opaque target with an embedded target-transverse seed magnetic field $B_\mathrm{seed}$ can trigger the generation of an order-of-magnitude…

The generation of the localized surface plasmon resonance (LSPR) on the surface of plasmonic structures in the nanoscale has paved the way for advanced biosensing, surpassing the conventional detection limits. The electric field enhancement…

Optics · Physics 2023-12-12 Siddhartha Banerjee , Jolly Xavier

In this paper the formation mechanisms of the femtosecond laser-induced periodic surface structures (LIPSS) are discussed. One of the most frequently-used theories explains the structures by interference between the incident laser beam and…

Mesoscale and Nanoscale Physics · Physics 2014-02-06 E. L. Gurevich , S. V. Gurevich

Surface plasmon resonance (SPR) is generally observed by excitation of surface plasmon polaritons on the metal (Au/Ag) surface. In order to utilize the SPR phenomenon for sensing application, the metal surface is functionalized with…

Optics · Physics 2022-12-20 Amrit Kumar , Manjuladevi V , R. K. Gupta

We present a semiclassical model for plasmon-enhanced high-harmonic generation (HHG) in the vicinity of metal nanostructures. We show that both the inhomogeneity of the enhanced local fields and electron absorption by the metal surface play…

Optics · Physics 2015-07-29 A. Husakou , S. -J. Im , J. Herrmann

Surface plasmon polaritons are electromagnetic waves propagating on the surface of a metal. Thanks to subwavelength confinement to the surface, they can concentrate optical energy on the micrometer or even nanometer scale, enabling new…

Materials Science · Physics 2016-04-27 B. Dastmalci , P. Tassin , Th. Koschny , C. M. Soukoulis

Surface Plasmon Polaritons (SPP) are exploited due to their intriguing properties for photonic circuits fabrication and miniaturization, for surface enhanced spectroscopies and imaging beyond the diffraction limit. However, the excitation…

We present a computational study of terahertz optical properties of a grating-coupled plasmonic structure based on micrometer-thin InSb layers. We find two strong absorption resonances that we interpret as standing surface plasmon modes and…

Mesoscale and Nanoscale Physics · Physics 2016-08-18 Shuai Lin , Khagendra Bhattarai , Jiangfeng Zhou , Diyar Talbayev

Surface plasmons in two-dimensional (2D) electron systems have attracted great attention for their promising light-matter applications. However, the excitation of a surface plasmon, in particular, transverse-electric (TE) surface plasmon,…

Mesoscale and Nanoscale Physics · Physics 2024-09-04 H. Y. Yuan , Yaroslav Blanter

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 this type of surface waves. (i) the attenuated total…

Mesoscale and Nanoscale Physics · Physics 2013-04-18 Yu. V. Bludov , A. Ferreira , N. M. R. Peres , M. I. Vasilevskiy

Laser printing with a spatial light modulator (SLM) has several advantages over conventional raster-writing and dot-matrix display (DMD) writing: multiple pixel exposure, high power endurance and existing software for computer generated…

Mesoscale and Nanoscale Physics · Physics 2018-05-17 Marcus S. Carstensen , Xiaolong Zhu , Oseze Esther Iyore , N. Asger Mortensen , Uriel Levy , Anders Kristensen

A high-power laser pulse at normal incidence onto a plane solid target will generate odd harmonics of its frequency. However, the spacing of the harmonic lines in this configuration is fixed. Here, we study harmonic generation using two…

Optics · Physics 2025-01-20 Raoul Trines , Holger Schmitz , Martin King , Paul McKenna , Robert Bingham

Localized and propagating surface plasmon resonances are known to show very pronounced interactions if they are simultaneously excited in the same nanostructure. Here we study the fano interference that occurs between localized (LSPR) and…

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

We investigate three-dimensional rolled-up metamaterials containing optically active quantum wells and metal gratings supporting surface plasmon polarition resonances. Finite-difference time-domain simulations show that by matching the…

Materials Science · Physics 2011-09-09 Andreas Rottler , Stephan Schwaiger , Anuen Koitmäe , Detlef Heitmann , Stefan Mendach

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

Interaction of a high intensity short laser pulse with near-critical plasmas allows to achieve extremely high coupling efficiency and transfer laser energy to energetic ions. One dimensional Particle-In-Cell (PIC) simulations are considered…

Plasma Physics · Physics 2017-01-25 J. G. Moreau , E. d'Humières , R. Nuter , V. T. Tikhonchuk
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