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Fabricating nanocavities in which optically-active single quantum emitters are precisely positioned, is crucial for building nanophotonic devices. Here we show that self-assembly based on robust DNA-origami constructs can precisely position…

The Jaynes-Cummings model, describing the interaction between a single two-level system and a photonic mode, has been used to describe a large variety of systems, ranging from cavity quantum electrodynamics, trapped ions, to superconducting…

Mesoscale and Nanoscale Physics · Physics 2013-02-05 Natsuko Ishida , Tim Byrnes , Franco Nori , Yoshihisa Yamamoto

We study properties of two different atoms at a single optical lattice site at a heteronuclear atomic Feshbach resonance. We calculate the energy spectrum, the efficiency of rf association and the lifetime as a function of magnetic field…

Fluorescence Correlation Spectroscopy (FCS) is a powerful single-molecule technique which allows for measuring motion (diffusion, flow), concentration, and molecular interaction kinetics of fluorescent molecules from picomolar to micromolar…

We describe a quasiperiodic optical lattice, created by a physical realization of the abstract cut-and-project construction underlying all quasicrystals. The resulting potential is a generalization of the Fibonacci tiling. Calculation of…

Quantum Gases · Physics 2016-01-18 Kevin Singh , Kush Saha , Siddharth A. Parameswaran , David M. Weld

We study plasmonic excitations in the limit of few electrons, in one-atom thick sodium chains, and characterize them based on collectivity. We also compare the excitations to classical localised plasmon modes and find for the longitudinal…

Mesoscale and Nanoscale Physics · Physics 2017-06-14 Jamie M. Fitzgerald , Sam Azadi , Vincenzo Giannini

We theoretically investigate the interaction between a single molecule and a metallic nanoparticle. We develop a general quantum mechanical description for the calculation of the enhancement of radiative and non-radiative decay channels for…

Mesoscale and Nanoscale Physics · Physics 2008-01-28 Ulrich Hohenester , Andreas Truegler

The behavior of a two level atom in a half-cavity, i.e. a cavity with one mirror, is studied within the framework of a one dimensional model with respect to spontaneous decay and resonance fluorescence. The system under consideration…

Quantum Physics · Physics 2009-11-07 U. Dorner , P. Zoller

We studied time-dependent features of high-frequency fluorescent radiation from a two-level quantum system with broken inversion spatial symmetry. The system in question was modelled after a one-electron two-level asymmetric polar…

Quantum Physics · Physics 2024-12-17 Andrey V. Soldatov

Supersolidity - simultaneous superfluid flow and crystalline order - has been realized in quantum atomic systems but remains unexplored in purely photonic platforms operating at weak light-matter coupling. We predict a supersolid phase of…

Optics · Physics 2026-03-16 J. L. Figueiredo , J. T. Mendonça , H. Terças

This paper deals with non-Markovian behaviour in atomic systems coupled to a structured reservoir of quantum EM field modes, with particular relevance to atoms interacting with the field in high Q cavities or photonic band gap materials. In…

Quantum Physics · Physics 2010-03-18 B. J. Dalton , S. M. Barnett , B. M. Garraway

We investigate the quantum-optical properties of the light emitted by a nanoparticle-on-mirror cavity filled with a single quantum emitter. Inspired by recent experiments, we model a dark-field set-up and explore the photon statistics of…

Mesoscale and Nanoscale Physics · Physics 2022-08-25 R. Sáez-Blázquez , A. Cuartero-González , J. Feist , F. J. García-Vidal , A. I. Fernández-Domínguez

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

An opalic plasmonic sample, constituted by a hexagonal arrangement of metallized silica spheres, presents remarkable optical properties due to the mixing of periodic arrangement and singularities at the sphere touching points. It is…

Investigating the cellular internalization pathways of single molecules or single nano-objects is important to understanding cell-matter interactions and to applications in drug delivery and discovery. Imaging and tracking the motion of…

Biological Physics · Physics 2015-06-04 Guosong Hong , Justin Z. Wu , Joshua T. Robinson , Hailiang Wang , Bo Zhang , Hongjie Dai

The temporal modulation of material parameters enables optical amplification within linear media. Here we consider the fundamental building block of plasmonics, a subwavelength metal nanoparticle, and study how temporal modulation alters…

Mesoscale and Nanoscale Physics · Physics 2025-08-29 Miguel Verde , Paloma A. Huidobro

Optomechanical systems close to their quantum ground state and nonlinear nanoelectromechanical systems are two hot topics of current physics research. As high-reflectivity and low mass are crucial features to improve optomechanical coupling…

Quantum Physics · Physics 2014-11-12 T. Antoni , K. Makles , R. Braive , T. Briant , P. -F. Cohadon , I. Sagnes , I. Robert-Philip , A. Heidmann

Plasmon resonances at the surface of plasmonic antennas allow for extremely strong enhancement of Raman scattering. Intrinsic to plasmonics, however, is that extreme field confinement lacks precise spectral control, which would hold great…

We present a fully ab initio, non-perturbative description of the optical limiting properties of a metal-free phthalocyanine, by simulating the effects of a broadband electric field of increasing intensity. The results confirm reverse…

Materials Science · Physics 2014-05-26 Caterina Cocchi , Deborah Prezzi , Alice Ruini , Elisa Molinari , Carlo A. Rozzi

The photo-kinetics of fluorescent molecules have enabled the circumvention of far-field optical diffraction-limit. Despite its enormous potential, the necessity to label the sample may adversely influence the delicate biology under…