English
Related papers

Related papers: FRET distance dependence from upconverting nanopar…

200 papers

The ability to significantly enhance energy transfer processes at the nanoscale requires the simultaneous optimization of molecular-scale orientation and macroscopic photonic enhancement between multiple quantum emitters. However, achieving…

Electron capture and emission by Coulomb scattering in self-assembled quantum dot (QD) devices is studied theoretically. While the dependence of the Coulomb scattering (Auger) rates on the local wetting layer electron density has been a…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 R. Wetzler , A. Wacker , E. Sch"oll

We analyze the heat transfer between two nanoparticles separated by a distance lying in the near-field domain in which energy interchange is due to Coulomb interactions. The thermal conductance is computed by assuming that the particles…

Materials Science · Physics 2008-04-18 Agustin Pérez-Madrid , José M. Rubí , Luciano C. Lapas

We study the modifications of near-field radiative energy transfer (NFRET) caused by residual surface charges, which are common in micro- and nano-systems like NEMS/MEMS. The host object with the residual surface charges and the inherent…

Applied Physics · Physics 2024-02-07 Minggang Luo , Jiaqi Zhu , S. -A. Biehs , Junming Zhao , and Linhua Liu

Electric-field-controlled F\"orster resonance energy transfer (FRET) between Rydberg helium (He) atoms and ground-state ammonia (NH$_3$) molecules has been studied at translational temperatures below 100 mK. The experiments were performed…

Atomic Physics · Physics 2022-11-21 J. Zou , S. D. Hogan

Fluorescence spectroscopy and modeling provide powerful means to characterize biomacromolecular structures, dynamics, and interactions. F\"orster resonance energy transfer serves as a key technique for this due to its nanometer-scale…

Biological Physics · Physics 2026-02-26 Thomas-Otavio Peulen , Daria Maksutova , Thorben Cordes

Paramagnetic luminescent impurities in solids such as Nitrogen-Vacancy (NV) centers in diamond represent a promising and versatile platform for the development of a wide range of chemical and biological sensors. This goal can be…

Applied Physics · Physics 2021-05-07 Alexei Goun , Herschel Rabitz

Waveguide quantum electrodynamics (QED) has opened a new frontier in quantum optics, which enables the radiative coupling of distantly located emitters via the spatially extended waveguide mode. This coupling leads to modified emission…

Using large-scale, real-time quantum dynamics calculations, we present a detailed analysis of electronic excitation transfer (EET) mechanisms in a multi-particle plasmonic nanoantenna system. Specifically, we utilize real-time,…

Mesoscale and Nanoscale Physics · Physics 2018-03-06 Niranjan V. Ilawe , M. Belén Oviedo , Bryan M. Wong

Both spontaneous emission and resonant energy transfer can be enhanced significantly when the emitter is placed in the vicinity of metallic or crystal structures. This enhancement can be described using the electromagnetic Green tensor and…

Optics · Physics 2022-07-27 Asaf Farhi , Aristide Dogariu

Superfluorescence (SF) in lanthanide doped upconversion nanoparticles (UCNPs) is a room-temperature quantum phenomenon, first discovered in 2022. In a SF process, the many emissive lanthanide ions within a single UCNP are coherently coupled…

Optics · Physics 2025-04-18 Lewis E. MacKenzie , Peter Kirton

We describe the process of Foerster transfer between semiconductor nanoparticles in the presence of a metal subsystem (metal nanocrystals). In the presence of metal nanocrystals, the Foerster process can become faster and more long-range.…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 Alexander O. Govorov , Jaebeom Lee , Nicholas A. Kotov

Single-molecule F\"{o}rster resonance energy transfer (smFRET) has become a mainstream technique for probing biomolecular structural dynamics. The rapid and wide adoption of the technique by an ever-increasing number of groups has generated…

We study the near-field energy transfer rates between two finite size quantum dot disks, generalizing the result of F\"orster coupling between two point dipoles. In particular, we derive analytical results for the envelope of the electronic…

Optics · Physics 2023-07-19 Chelsea Carlson , Andreas Knorr , Stephen Hughes

Time-resolved resonance fluorescence (RF) on a single self-assembled quantum dot (QD) is used to analyze the generation and capture of photoinduced free charge carriers. We directly observe the capture of electrons into the QD in an…

Mesoscale and Nanoscale Physics · Physics 2019-07-03 Annika Kurzmann , Arne Ludwig , Andreas D. Wieck , Axel Lorke , Martin Geller

This paper is concerned with a novel method allowing communication between FRET nanonetworks and nerve cells. It is focused on two system components: fluorophores and channelrhodopsins which serve as transmitters and receivers,…

Molecular Networks · Quantitative Biology 2021-03-16 Jakub Kmiecik , Pawel Kulakowski , Krzysztof Wojcik , Andrzej Jajszczyk

Zero-mode waveguides (ZMWs) are confining light into attoliter volumes, enabling single molecule fluorescence experiments at physiological micromolar concentrations. Among the fluorescence spectroscopy techniques that can be enhanced by…

We analyze the resonance energy transfer (RET) rate between quantum emitters (QEs) near a phosphorene/SiC interface under the effects of uniaxial strain. Using a low-energy tight-binding model, we describe the electronic structure of…

Mesoscale and Nanoscale Physics · Physics 2025-05-20 J. Oliveira-Cony , C. Farina , P. P. Abrantes , Tarik P. Cysne

Near-field (NF) radiative heat transfer (RHT) over vacuum space between closely spaced bodies can exceed the Planck far-field (FF) values by orders of magnitude. Strong effect of superconductivity on NF RHT between plane-parallel thin-film…

Superconductivity · Physics 2019-01-23 Věra Musilová , Tomáš Králík , Tomáš Fořt , Michal Macek

Conformational dynamics of biomolecules are of fundamental importance for their function. Single-molecule F\"orster Resonance Energy Transfer (smFRET) is a powerful approach to inform on the structure and the dynamics of labeled molecules.…