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The local density of optical states governs an emitters lifetime and quantum yield through the Purcell effect. It can be modified by a surface plasmon electromagnetic field, but such a field has a spatial extension limited to a few hundreds…

Mesoscale and Nanoscale Physics · Physics 2019-06-04 H. Lourenço-Martins , M. Kociak , S. Meuret , F. Treussart , Yih Hong Lee , Xing Yi Ling , H. C. Chang , L. H. G. Tizei

We report on two orders of magnitude reduction in the fluorescence lifetime when a single molecule placed in a thin film is surrounded by two gold nanospheres across the film interface. By attaching one of the gold particles to the end of a…

Optics · Physics 2015-06-11 K. -G. Lee , H. Eghlidi , X-W. Chen , A. Renn , S. Götzinger , V. Sandoghdar

In this work, we report numerical simulations and experiments of the optical response of a gold nanostrip embedded in a silicon strip waveguide gap at telecom wavelengths. We show that the spectral features observed in transmission and…

Optics · Physics 2016-04-28 Alba Espinosa-Soria , Amadeu Griol , Alejandro Martínez

Many critical applications in environmental and biological sensing, standoff detection, and astronomy rely on devices that operate in the mid-infrared range. Unfortunately, current mid-infrared devices are costly and have limited…

Optics · Physics 2023-05-11 Matthew D. Feinstein , Euclides Almeida

We review the studies of a wide range of optical phenomena resulting from near-field coupling between excitons and localized surface plasmon-polaritons in hybrid nanostructures. Modern physical approaches and theoretical models reported…

Optics · Physics 2025-02-28 V. S. Lebedev , A. D. Kondorskiy

Strong coupling between light and molecular matter is currently attracting interest both in chemistry and physics, in the fast-growing field of molecular polaritonics. The large near-field enhancement of the electric field of plasmonic…

Mesoscale and Nanoscale Physics · Physics 2024-10-03 Álvaro Buendía , Jose A. Sánchez-Gil , Vincenzo Giannini , William L. Barnes , Marie S. Rider

Recent I/V curve measurements suggest that C60 molecules deposited in gold nanojunctions change their adsorption configuration when a finite voltage in a 2-terminal setting is applied. This is of interest for molecular electronics because a…

Materials Science · Physics 2015-06-25 R. Stadler , S. Kubatkin , T. Bjornholm

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

Plasmonic cavities can be used to control the atom-photon coupling process at the nanoscale, since they provide ultrahigh density of optical states in an exceptionally small mode volume. Here we demonstrate strong coupling between molecular…

Collective optical excitations, such as localized surface plasmons in metallic nanoparticles and Mie resonances in high-index dielectrics, play a central role in nanoscale light--matter interactions. When such optical modes interact with…

The excitation of localized or delocalized surface plasmon polaritons in nanostructured or extended graphene has attracted a steadily increasing attention due to their promising applications in sensors, switches, and filters. These single…

Optics · Physics 2022-11-23 Renwen Yu , Rasoul Alaee , Falk Lederer , Carsten Rockstuhl

Strong coupling of two-dimensional semiconductor excitons with plasmonic resonators enables control of light-matter interaction at the subwavelength scale. Here we develop strong coupling in plasmonic nano-gap resonators that allow…

We examine the coupling of electromagnetic waves incident normal to a thin silver film that forms an oscillatory grating embedded between two otherwise uniform, semi-infinite half spaces. Two grating structures are considered, in one of…

Optics · Physics 2009-07-23 M. Sukharev , P. R. Sievert , T. Seideman , J. B. Ketterson

Assuming that the resonant surface plasmons on a spherical nanoparticle is formed by standing waves of two counter-propagating surface plasmon waves along the surface, by using Mie theory simulation, we find that the dispersions of surface…

Optics · Physics 2014-12-09 Yurui Fang , Xiaorui Tian

A strong electron-phonon interaction in a metal increases the electron density of states in the vicinity of the Fermi energy dramatically. This phenomenon is called electron-phonon mass enhancement. In this paper the question is…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 Gerd Bergmann

The plasmonic amplification of non-linear vibrational sum frequency spectroscopy (SFG) at the surfaces of gold nanoparticles is systematically investigated by tuning the incident visible wavelength. The SFG spectra of dodecanethiol-coated…

We demonstrate strong coupling between molecular excited states and surface plasmon modes of a slit array in a thin metal film. The coupling manifests itself as an anti-crossing behavior of the two newly formed polaritons. As the coupling…

Mesoscale and Nanoscale Physics · Physics 2012-08-17 Adi Salomon , Robert J. Gordon , Yehiam Prior , Tamar Seideman , Maxim Sukharev

In the transmon qubit we expect from conservation of momentum and energy a coupling between the plasma oscillations and the vibrations of the underlying lattice. Specifically, the electron velocities and their kinetic energy density are…

Quantum Physics · Physics 2013-03-15 Andrew J. Skinner

Surface optical plasmons on metal-dielectric boundaries of various shapes are studied. The study features by the exploration of plasmons of the frequency that is larger than $\omega_{pl}/\sqrt{2}$ and approximately equal to $\omega _{pl}$.…

Optics · Physics 2007-06-13 V. S. Zuev , H. Ya. Zueva

We show that graphene possesses a strong nonlinear optical response in the form of multi-plasmon absorption, with exciting implications in classical and quantum nonlinear optics. Specifically, we predict that graphene nano-ribbons can be…

Mesoscale and Nanoscale Physics · Physics 2015-01-22 Marinko Jablan , Darrick E. Chang
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