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Related papers: Propagation of Surface Plasmons in Ordered and Dis…

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We investigate the propagation of surface-enhanced resonant Raman scattering (SERRS) light by several micrometers through a one-dimensional hotspot (1D HS) located between a plasmonic nanowire dimer (NWD). The propagation exhibits the…

Optics · Physics 2021-06-23 Tamitake Itoh , Yuko S. Yamamoto , Jeyadevan Balachandran

The fact that surface-induced damping rate of surface plasmon polaritons (SPPs) in metal nanoparticles increases with the decrease of particle size is well known. We show that this rate also increases with the degree of the mode…

Optics · Physics 2016-01-20 Jacob B Khurgin , Greg Sun

Formation of surface plasmon modes in sodium nanoclusters containing 20-300 atoms was studied using the GW method. It is shown that in the small Na nanoparticles up to 2 nm in size, the loss function $Im[\epsilon^{-1}]$ is dominated by a…

Computational Physics · Physics 2020-06-16 N. L. Matsko

Crack propagation is studied in a two dimensional decagonal model quasicrystal. The simulations reveal the dominating role of highly coordinated atomic environments as structure intrinsic obstacles for both dislocation motion and crack…

Materials Science · Physics 2009-10-31 R. Mikulla , J. Stadler , F. Krul , H. -R. Trebin , P. Gumbsch

Using a random array of coupled metallic nanowires as a generic example of disordered plasmonic systems, we demonstrate that the structural disorder induces localization of light in these nanostructures at a deep-subwavelength scale. The ab…

We investigate the propagation of surface waves along a spatially dispersive graphene sheet, including substrate effects. The proposed analysis derives the admittances of an equivalent circuit of graphene able to handle spatial dispersion,…

Mesoscale and Nanoscale Physics · Physics 2013-09-03 J. S. Gomez-Diaz , J. R. Mosig , J. Perruisseau-Carrier

We develop a quantum theory of plasmon polaritons in chains of metallic nanoparticles, describing both near- and far-field interparticle distances, by including plasmon-photon Umklapp processes. Taking into account the retardation effects…

Optics · Physics 2021-09-27 Thomas F. Allard , Guillaume Weick

Nonreciprocity is an important scientific concept related to the broken symmetry of light propagation through a system in forward and reverse directions. This effect lies in the origin of various applications including signal processing,…

The properties of surface plasmons localized at the interface between graphene and kerr-type nonlinear medium in three dimensions are investigated. Compared with surface plasmons at the surface of metal, with the inevitable nonlinear…

Mesoscale and Nanoscale Physics · Physics 2015-06-03 Lei Wang , Wei Cai , Xinzheng Zhang , F. J. Garcia de Abajo , Jingjun Xu

We study experimentally the impact of spherical nanoparticles on the orientational order parameters of a host nematic liquid crystal. We use spherical core-shell quantum dots that are surface functionalized to promote homeotropic anchoring…

Soft Condensed Matter · Physics 2018-05-09 C. Kyrou , S. Kralj , M. Panagopoulou , Y. Raptis , G. Nounesis , I. Lelidis

We present an overview of recent progress in plasmonics. We focus our study on the observation and excitation of surface plasmon polaritons (SPPs) with optical near-field microscopy. We discuss in particular recent applications of photon…

Optics · Physics 2007-11-19 A. Drezet , A. Hohenau , J. R. Krenn , M. Brun , S. Huant

We report on the efficient generation, propagation, and re-emission of squeezed long-range surface-plasmon polaritons (SPPs) in a gold waveguide. Squeezed light is used to excite the non-classical SPPs and the re-emitted quantum state is…

We develop a theory to model the interaction of graphene substrate with localized plasmon resonances in metallic nanoparticles. The influence of a graphene substrate on the surface plasmon resonances is described using an effective…

We predict the existence of surface plasmons polaritons at the interface between a metal and a periodically modulated dielectric medium, and find an unusual multi-branched dispersion curve of surface and bulk modes. The branches are…

Optics · Physics 2024-12-17 Lior Bar-Hillel , Yonatan Plotnik , Ohad Segal , Mordechai Segev

Plasmon-mediated superradiance for molecules around metallic nanospheres was proposed ten years ago. However, its demonstration has not been achieved yet due to the experimental difficulty of positioning molecules, and the theoretical…

We review the properties of the surface waves that are scattered by two-dimensional sub-wavelength indentations on metallic surfaces. We show that two distinct waves are involved, a surface plasmon polariton (SPP) and a quasi-cylindrical…

Other Condensed Matter · Physics 2009-09-14 P. Lalanne , J. P. Hugonin , H. T. Liu , B. Wang

When a sculptured thin film (STF), made of a metal and $\leq50$ nm thick, is used in lieu of a dense layer of metal in the Kretschmann configuration, experimental data for an STF comprising parallel tilted nanowires shows that a surface…

Optics · Physics 2009-11-13 Ibrahim Abdulhalim , Akhlesh Lakhtakia , Amit Lahav , Fan Zhang , Jian Xu

Quantum emitters, such as q-dots and dye molecules, in the immediate vicinity of plasmonic nanostructures, resonantly excite surface plasmon-polaritons (SPPs) under incoherent pump. The efficiency in the excitation of SPPs increases as the…

Quantum Physics · Physics 2017-06-28 Igor Protsenko , Shunping Zhang , Alexander Uskov , Xuewen Chen , Hongxing Xu

Metal films grown on Si wafer perforated with a periodic array of subwavelength holes have been fabricated and anomalous enhanced transmission in the mid-infrared regime has been observed. High order transmission peaks up to Si(2,2) are…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 Xu Fang , Zhiyuan Li , Yongbing Long , Hongxiang Wei , Rongjuan Liu , Jiyun Ma , M. Kamran , Huaying Zhao , Xiufeng Han , Bairu Zhao , Xianggang Qiu

The optical and plasmonic properties of the chains of prolate metallic spheroids of the dielectric substrate are studied in the work using the local field approximation. The case when spheroids are arranged in such a way that their major…

Optics · Physics 2024-12-31 M. S. Maniuk , A. V. Korotun , V. I. Reva , I. M. Titov
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