Optical nanoantennas
AE Krasnok, IS Maksymov, AI Denisyuk… - Physics …, 2013 - iopscience.iop.org
The field of optical nanoantennas, a rapidly developing area of optics, is reviewed. The
basic concept of an optical antenna is formulated and major characteristics relevant to this …
basic concept of an optical antenna is formulated and major characteristics relevant to this …
Optical yagi-uda nanoantennas
Conventional antennas, which are widely employed to transmit radio and TV signals, can be
used at optical frequencies as long as they are shrunk to nanometer-size dimensions …
used at optical frequencies as long as they are shrunk to nanometer-size dimensions …
All-dielectric optical nanoantennas
We study in detail a novel type of optical nanoantennas made of high-permittivity low-loss
dielectric particles. In addition to the electric resonances, the dielectric particles exhibit very …
dielectric particles. In addition to the electric resonances, the dielectric particles exhibit very …
Boosting the directivity of optical antennas with magnetic and electric dipolar resonant particles
Dielectric particles supporting both magnetic and electric Mie resonances are shown to be
able to either reflect or collect the light emitted by a single photon source. An analytical …
able to either reflect or collect the light emitted by a single photon source. An analytical …
Self-assembled nanoparticle dimer antennas for plasmonic-enhanced single-molecule fluorescence detection at micromolar concentrations
Plasmonic antennas offer extremely promising strategies to enhance single molecule
fluorescence sensing and breach the limitations set by diffraction. However, the technical …
fluorescence sensing and breach the limitations set by diffraction. However, the technical …
Promoting magnetic dipolar transition in trivalent lanthanide ions with lossless Mie resonances
Mie resonances in dielectric particles can increase the local optical density of states (LDOS)
associated with either electric or magnetic transition rates in nearby quantum emitters …
associated with either electric or magnetic transition rates in nearby quantum emitters …
Few-molecule strong coupling with dimers of plasmonic nanoparticles assembled on DNA
Hybrid nanostructures, in which a known number of quantum emitters are strongly coupled
to a plasmonic resonator, should feature optical properties at room temperature such as few …
to a plasmonic resonator, should feature optical properties at room temperature such as few …
[HTML][HTML] Accelerated single photon emission from dye molecule-driven nanoantennas assembled on DNA
A photon interacts efficiently with an atom when its frequency corresponds exactly to the
energy between two eigenstates. But at the nanoscale, homogeneous and inhomogeneous …
energy between two eigenstates. But at the nanoscale, homogeneous and inhomogeneous …
Reconfigurable semiconductor phased-array metasurfaces
Phased-array metamaterial systems are enabling new classes of refractive and diffractive
optical elements through spatial-phase engineering. In this article, we develop design …
optical elements through spatial-phase engineering. In this article, we develop design …
Optical and topological characterization of gold nanoparticle dimers linked by a single DNA double strand
We demonstrate that symmetric or asymmetric gold nanoparticle dimers with substantial
scattering cross sections and plasmon coupling can be produced with a perfectly controlled …
scattering cross sections and plasmon coupling can be produced with a perfectly controlled …