266 citations · 1.7k across the 26 of their papers we have counts for
26 papers
DNA origami assembled nanoantennas for manipulating single-molecule spectral emission
Maria Sanz-Paz, Fangjia Zhu, Nicolas Bruder +3
Optical nanoantennas can affect the decay rates of nearby emitters by modifying the local density of photonic states around them. In the weak-coupling limit, and according to the F…
Unidirectional ultracompact DNA-templated optical antennas
Fangjia Zhu, Maria Sanz-Paz, Antonio Fernandez-Dominguez +5
Optical nanoantennas are structures designed to manipulate light-matter interactions at the nanoscale by interfacing propagating light with localized optical fields. In recent year…
Optical ultracompact directional antenna based on a dimer nanorod structure
Fangjia Zhu, Maria Sanz-Paz, Antonio Fernandez-Dominguez +2
Controlling directionality of optical emitters is of utmost importance for their application in communication and biosensing devices. Metallic nanoantennas have been proven to affe…
Plexcitonic quantum light emission from nanoparticle-on-mirror cavities
R. Sáez-Blázquez, A. Cuartero-González, J. Feist +2
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…
Optimization of second-harmonic generation from touching plasmonic wires
Shimon Elkabetz, K. Nireekshan Reddy, Parry Y. Chen +2
We employ transformation optics to optimize the generic nonlinear wave interaction of second-harmonic generation from a pair of touching metallic wires. We demonstrate a 10 orders…
Theory of Energy Transfer in Organic Nanocrystals
R. Sáez-Blázquez, J. Feist, F. J. García-Vidal +1
Recent experiments have shown that highly efficient energy transfer can take place in organic nanocrystals at extremely low acceptor densities. This striking phenomenon has been as…
Macroscopic QED for quantum nanophotonics: Emitter-centered modes as a minimal basis for multi-emitter problems
Johannes Feist, Antonio I. Fernández-Domínguez, Francisco J. García-Vidal
We present an overview of the framework of macroscopic quantum electrodynamics from a quantum nanophotonics perspective. Particularly, we focus our attention on three aspects of th…
Few-mode Field Quantization of Arbitrary Electromagnetic Spectral Densities
Ivan Medina, Francisco J. García-Vidal, Antonio I. Fernández-Domínguez +1
We develop a framework that provides a few-mode master equation description of the interaction between a single quantum emitter and an arbitrary electromagnetic environment. The fi…
Asymmetric coupling between two quantum emitters
C. A. Downing, J. C. López Carreño, A. I. Fernández-Domínguez +1
We study a prototypical model of two coupled two-level systems, where the competition between coherent and dissipative coupling gives rise to a rich phenomenology. In particular, w…
Plasmon-assisted Förster resonance energy transfer at the single-molecule level in the moderate quenching regime
J. Bohlen, Á. Cuartero-Gonzálezc, E. Pibiri +4
Metallic nanoparticles were shown to affect Förster energy transfer between fluorophore pairs. However, to date, the net plasmonic effect on FRET is still under dispute, with exper…
On the applicability of quantum-optical concepts in strong-coupling nanophotonics
C. Tserkezis, A. I. Fernández-Domínguez, P. A. D. Gonçalves +7
Rooted in quantum optics and benefiting from its well-established foundations, strong coupling in nanophotonics has experienced increasing popularity in recent years. With nanophot…
Cavity-modified exciton dynamics in photosynthetic units
Rocío Sáez-Blázquez, Johannes Feist, Elisabet Romero +2
Recently, exciton-photon strong coupling has been proposed as a means to control and enhance energy transfer in ensembles of organic molecules. Here, we demonstrate that the excito…
Dipolar and Quadrupolar Excitons Coupled to a Nanoparticle-on-a-Mirror Cavity
A. Cuartero-González, A. I. Fernández-Domínguez
We investigate plasmon-emitter interactions in a nanoparticle-on-a-mirror cavity. We consider two different sorts of emitters, those that sustain dipolar transitions, and those hos…
Magnetic-field controlled anomalous refraction in doped semiconductors
E. Moncada-Villa, A. I. Fernández-Domínguez, J. C. Cuevas
We predict here that a slab made of a doped semiconductor can exhibit anomalous refraction under the application of a static magnetic field. This anomalous refraction takes place i…
Quasi-Chiral Interactions between Quantum Emitters at the Nanoscale
C. A. Downing, J. C. López Carreño, F. P. Laussy +2
We present a combined classical and quantum electrodynamics description of the coupling between two circularly-polarized quantum emitters held above a metal surface supporting surf…
Enhancing Photon Correlations through Plasmonic Strong Coupling
R. Sáez-Blázquez, J. Feist, A. I. Fernández-Domínguez +1
There is an increasing scientific and technological interest on the design and implementation of nanoscale sources of quantum light. Here, we investigate the quantum statistics of…
Plasmon-Exciton-Polariton Lasing
Mohammad Ramezani, Alexei Halpin, Antonio I. Fernández-Domínguez +4
Metallic nanostructures provide a toolkit for the generation of coherent light below the diffraction limit. Plasmonic based lasing relies on the population inversion of emitters (s…
Transformation Optics Approach to Plasmon-Exciton Strong Coupling in Nanocavities
Rui-Qi Li, D. Hernangómez-Pérez, F. J. García-Vidal +1
We investigate the conditions yielding plasmon-exciton strong coupling at the single emitter level in the gap between two metal nanoparticles. A quasi-analytical transformation opt…
High-order localized spoof surface plasmon resonances and experimental verifications
Zhen Liao, Yu Luo, Antonio I. Fernández-Domínguez +3
We theoretically demonstrated and experimentally verified high-order radial spoof localized surface plasmon resonances supported by textured metal particles. Through an effective m…
Harvesting Light with Transformation Optics
Yu Luo, Rongkuo Zhao, Antonio I. Fernandez-Dominguez +2
Transformation optics (TO) is a new tool for controlling electromagnetic fields. In the context of metamaterial technology, it provides a direct link between a desired electromagne…
Surface Plasmons and Nonlocality: a Simple Model
Yu Luo, A. I. Fernandez-Dominguez, Aeneas Wiener +2
Surface plasmons on metals can concentrate light into sub-nanometric volumes and on these near atomic length scales the electronic response at the metal interface is smeared out ov…
Thresholdless Coherent Light Scattering from Subband-polaritons in a Strongly-Coupled Microcavity
Johannes Gambari, Antonio I Fernandez-Dominguez, Stefan A Maier +5
We study a "strongly-coupled" (SC) polariton system formed between the atom-like intersubband transitions in a semiconductor nanostructure and the THz optical modes that are locali…
Geometrically induced modification of surface plasmons in the optical and telecom regimes
M. L. Nesterov, D. Martin-Cano, A. I. Fernandez-Dominguez +3
We demonstrate that the introduction of a subwavelength periodic modulation into a metallic structure strongly modifies the guiding characteristics of the surface plasmon modes sup…
Optical properties of carbon nanofiber photonic crystals
R. Rehammar, R. Magnusson, A. I. Fernandez-Dominguez +4
Carbon nanofibers (CNF) are used as components of planar photonic crystals. Square and rectangular lattices and random patterns of vertically aligned CNF were fabricated and their…