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Related papers: Magnetic Purcell effect in nanophotonics

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The authors investigate the spontaneous emission dynamics of self-assembled InGaAs quantum dots embedded in GaAs photonic crystal waveguides. For an ensemble of dots coupled to guided modes in the waveguide we report spatially, spectrally,…

We study amplified spontaneous emission (ASE) from wavelength-scale composite bodies--complicated arrangements of active and passive media--demonstrating highly directional and tunable radiation patterns, depending strongly on pump…

Mesoscale and Nanoscale Physics · Physics 2016-03-29 Weiliang Jin , Chinmay Khandekar , Adi Pick , Athanasios G. Polimeridis , Alejandro W. Rodriguez

In this paper, we theoretically show that a broadband resonant enhancement of emission may occur for infrared sources located in a polaritonic wire medium. The reason of this enhancement is overlapping of two topological transitions of the…

Mesoscale and Nanoscale Physics · Physics 2015-09-14 M. S. Mirmoosa , S. Yu. Kosulnikov , C. R. Simovski

Magnetic monopoles have provided a rich field of study, leading to a wide area of research in particle physics, solid state physics, ultra-cold gases, superconductors, cosmology, and gauge theory. So far, no true magnetic monopoles were…

Instrumentation and Detectors · Physics 2014-06-23 A. Béché , R. Van Boxem , G. Van Tendeloo , J. Verbeeck

Creation of correlated photon pairs is one of the key topics in contemporary quantum optics. Here, we theoretically describe the generation of photon pairs in the process of spontaneous parametric down-conversion in a resonant spherical…

Light-matter interactions at the nanoscale constitute a fundamental ingredient for engineering applications in nanophotonics and quantum optics. To this regard electromagnetic Mie resonances excited in high-refractive index dielectric…

Standard cavity cooling of atoms or dielectric particles is based on the action of dispersive optical forces in high-finesse cavities. We investigate here a complementary regime characterized by large cavity losses, resembling the standard…

Quantum Physics · Physics 2024-08-21 Julian Lyne , Nico S. Bassler , Seong eun Park , Guido Pupillo , Claudiu Genes

Magnetic light and matter interactions are generally too weak to be detected, studied and applied technologically. However, if one can increase the magnetic power density of light by several orders of magnitude, the coupling between…

Mesoscale and Nanoscale Physics · Physics 2019-01-23 Nicolas Bonod , Sebastien Bidault , Geoffrey W. Burr , Mathieu Mivelle

All-dielectric resonant nanophotonics is a rapidly developing research field driven by its exceptional application potential for low-loss nanoscale metadevices. The tight confinement of the local electromagnetic fields and interferences in…

Optics · Physics 2018-10-26 Isabelle Staude , Thomas Pertsch , Yuri Kivshar

A novel magnetic interference effect is proposed for a neutral, but polarizable exciton in a quantum ring with a finite width. The magnetic interference effect originates from the nonzero dipole moment in the exciton. The ground state of…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 S. E. Ulloa , A. O. Govorov , A. V. Kalameitsev , R. Warburton , K. Karrai

The usual computation of the spontaneous emission uses a mixture of classical and quantum postulates. A purely classical computation shows that a source of electromagnetic field absorbs light in the eigenmode it is able to emit. Thus in an…

Optics · Physics 2007-05-23 Jacques Moret-Bailly

Control of light by an external magnetic field is one of the important methods for modulation of its intensity and polarisation. Magneto-optical effects at the nanoscale are usually observed in magnetophotonic crystals, nanostructured…

Nonlinear nanophotonics is a rapidly developing field with many useful applications for a design of nonlinear nanoantennas, light sources, nanolasers, sensors, and ultrafast miniature metadevices. A tight confinement of the local…

Optics · Physics 2016-10-25 Daria Smirnova , Yuri S. Kivshar

Using the exact propagators in a constant magnetic field, the neutrino self-energy has been calculated to all orders in the field strength $B$ within the minimal extension of the Weinberg-Salam model with massive Dirac neutrinos. A neutrino…

High Energy Physics - Phenomenology · Physics 2020-11-03 Andrea Erdas , Zachary Metzler

We present quantum-mechanical approach for collective spontaneous emission (superradiance) of emitters (as atoms) near metal nanoparticle, when frequencies of transitions of emitters coincide with frequency of localized plasmon resonance of…

Optics · Physics 2014-10-16 Igor Protsenko , Alexander Uskov

We investigate the polarization properties of emission associated with the magnetic dipole and electric dipole transitions of europium(III) coupled to an anisotropic dielectric metasurface with polarization-engineered electric and magnetic…

We present a modal approach to compute the Purcell factor in Mie resonators exhibiting both electric and magnetic resonances. The analytic expressions of the normal modes are used to calculate the effective volumes. We show that important…

Optics · Physics 2016-02-29 Xavier Zambrana-Puyalto , Nicolas Bonod

By means of quantum tensor network calculations, we investigate the large Purcell effect experienced by an organic molecule placed in the vicinity of a plasmonic nanostructure. In particular, we consider a donor-{\pi} bridge-acceptor dye at…

Mesoscale and Nanoscale Physics · Physics 2020-12-17 D. Zhao , R. E. F. Silva , C. Climent , J. Feist , A. I. Fernández-Domínguez , F. J. García-Vidal

The electromagnetic-vacuum-field fluctuations are intimately linked to the process of spontaneous emission of light. Atomic emitters cannot probe electric- and magnetic-field fluctuations simultaneously because electric and magnetic…

Free electron beams such as those employed in electron microscopes have evolved into powerful tools to investigate photonic nanostructures with an unrivaled combination of spatial and spectral precision through the analysis of electron…

Quantum Physics · Physics 2021-04-22 F. Javier García de Abajo , Valerio Di Giulio