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Related papers: Surface Plasmon-Coupled Enhanced Transmission

200 papers

We develop a theory of cooperative emission of light by an ensemble of emitters, such as fluorescing molecules or semiconductor quantum dots, located near a metal nanostructure supporting surface plasmon. The primary mechanism of…

Mesoscale and Nanoscale Physics · Physics 2015-05-14 Vitaliy N. Pustovit , Tigran V. Shahbazyan

We present a theoretical study of the dispersion relation of surface plasmon resonances of mesoscopic metal-dielectric-metal microspheres. By analyzing the solutions to Maxwell's equations, we obtain a simple geometric condition for which…

Optics · Physics 2009-11-11 Keisuke Hasegawa , Charles A. Rohde , Miriam Deutsch

We report plasmon-enhanced Raman scattering in graphene coupled to a single plasmonic hotspot measured as a function of laser energy. The enhancement profiles of the G peak show strong enhancement (up to $10^5$) and narrow resonances (30…

The electronic environment causes decoherence and dissipation of the collective surface plasmon excitation in metallic nanoparticles. We show that the coupling to the electronic environment influences the width and the position of the…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Guillaume Weick , Gert-Ludwig Ingold , Rodolfo A. Jalabert , Dietmar Weinmann

We numerically study the tuning of the radiative heat transfer between a spherical InSb nanoparticle in the vicinity of a flat SiC surface assisted by a static magnetic field. By changing the value of the applied magnetic field, the…

Mesoscale and Nanoscale Physics · Physics 2022-04-20 S. G. Castillo-López , A. Márquez , R. Esquivel-Sirvent

We provide rigorous numerical calculations (using the rigorous coupled-wave analysis) of transmission spectra of various metallic and metamaterial one-dimensional gratings and identify plasmonic resonances responsible for enhanced…

Optics · Physics 2015-06-16 Gergely Kajtar , Peter Markos

We demonstrate the coupling of a single nitrogen vacancy center in a nanodiamond to propagating plasmonic modes of mechanically etched silver nanowires. The mechanical etch is performed on single crystalline silver nanoplates by the tip of…

Mesoscale and Nanoscale Physics · Physics 2013-10-10 Shailesh Kumar , Alexander Huck , Ying-Wei Lu , Ulrik L. Andersen

Herein, we investigate the optical properties of quantum plasmonic metasurfaces composed of metallic nano-objects with subnanometer gaps according to the time-dependent density functional theory, a fully quantum mechanical approach. When…

Optics · Physics 2019-06-17 Takashi Takeuchi , Masashi Noda , Kazuhiro Yabana

Plasmonic antennas integrated on silicon devices have large and yet unexplored potential for controlling and routing light signals. Here, we present theoretical calculations of a hybrid silicon-metallic system in which a single gold…

Quantum emitters coupled to plasmonic nanoantennas produce single photons at unprecedentedly high rates in ambient conditions. This enhancement of quantum emitters' radiation rate is based on the existence of optical modes with highly…

Damping rates of multipolar, localized surface plasmons (SP) of gold and silver nanospheres of radii up to $1000nm$ were found with the tools of classical electrodynamics. The significant increase in damping rates followed by noteworthy…

Optics · Physics 2012-11-21 Krystyna Kolwas , Anastasiya Derkachova

We theoretically investigate the spontaneous emission process of an optical, dipolar emitter in metal-dielectric-metal slab and slot waveguide structures. We find that both structures exhibit strong off-resonant emission enhancements due to…

Optics · Physics 2009-11-13 Y. C. Jun , R. D. Kekapture , J. S. White , M. L. Brongersma

Plasmonic metasurfaces are investigated that consist of a sub wavelength line pattern in an ultrathin (~ 10 nm) silver film, designed for extraordinarily suppressed transmission (EOST) in the visible spectral range. Measurements with a…

Optics · Physics 2014-11-19 Sabine Dobmann , Arian Kriesch , Daniel Ploss , Ulf Peschel

We analyze, by means of numerical simulations, transmission enhancements through sub- wavelength slits due to the presence of sets of plasmonic nanocylinders, placed near the exit of these apertures. Further, we extend this study to…

Optics · Physics 2017-08-23 F. J. Valdivia-Valero , M. Nieto-Vesperinas

We have developed a scalable method for coupling single color centers in diamond to plasmonic resonators and demonstrated Purcell enhancement of the single photon emission rate of nitrogen-vacancy (NV) centers. Our structures consist of…

Plasmonic nanoantenna is of promising applications in optical sensing, single-molecular detection, and enhancement of optical nonlinear effect, surface optical spectroscopy, photochemistry, photoemission, photovoltaics, etc. Here we show…

Optics · Physics 2015-08-14 Qiang Zhang , Jun-Jun Xiao , Meili Li , Dezhuan Han , Lei Gao

Coupled surface plasmon/phonon polaritons and hyperbolic modes are known to enhance radiative transport across nanometer vacuum gaps but usually require identical materials. It becomes crucial to achieve strong near-field energy transfer…

Mesoscale and Nanoscale Physics · Physics 2016-08-03 Jui-Yung Chang , Yue Yang , Liping Wang

We investigate the dynamics of a plasmonic oscillation over a metal nanoparticle when it is strongly coupled to a quantum emitter (e.g. quantum dot, molecule). We simulate the density matrix evolution for a simple model; coupled…

Optics · Physics 2013-08-27 Mehmet Emre Tasgin

Theoretical description of oscillations of electron liquid in large metallic nanospheres (with radius of few tens nm) is formulated within random-phase-approximation semiclassical scheme. Spectrum of plasmons is determined including both…

Mesoscale and Nanoscale Physics · Physics 2015-05-14 W. Jacak , J. Krasnyj , J. Jacak , R. Gonczarek , A. Chepok , L. Jacak , D. Z. Hu , D. Schaadt

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