Plasmonic nanoantennas: fundamentals and their use in controlling the radiative properties of nanoemitters

V Giannini, AI Fernández-Domínguez, SC Heck… - Chemical …, 2011 - ACS Publications
When light interacts with a metal nanoparticle (NP), its conduction electrons can be driven
by the incident electric field in collective oscillations known as localized surface plasmon …

Controlling the synthesis and assembly of silver nanostructures for plasmonic applications

M Rycenga, CM Cobley, J Zeng, W Li… - Chemical …, 2011 - ACS Publications
Coinage metals, such as Au, Ag, and Cu, have been important materials throughout
history.(1) Although in ancient cultures they were admired primarily for their ability to reflect …

Mapping propagation of collective modes in Bi2Se3 and Bi2Te2.2Se0.8 topological insulators by near-field terahertz nanoscopy

EAA Pogna, L Viti, A Politano, M Brambilla… - Nature …, 2021 - nature.com
Near-field microscopy discloses a peculiar potential to explore novel quantum state of matter
at the nanoscale, providing an intriguing playground to investigate, locally, carrier dynamics …

[HTML][HTML] Experimental demonstration of the microscopic origin of circular dichroism in two-dimensional metamaterials

AB Khanikaev, N Arju, Z Fan, D Purtseladze… - Nature …, 2016 - nature.com
Optical activity and circular dichroism are fascinating physical phenomena originating from
the interaction of light with chiral molecules or other nano objects lacking mirror symmetries …

Optical absorption and scattering spectroscopies of single nano-objects

A Crut, P Maioli, N Del Fatti, F Vallée - Chemical Society Reviews, 2014 - pubs.rsc.org
Developments of optical detection and spectroscopy methods for single nano-objects are
key advances for applications and fundamental understanding of the novel properties …

Model for quantitative tip-enhanced spectroscopy and the extraction of nanoscale-resolved optical constants

AS McLeod, P Kelly, MD Goldflam, Z Gainsforth… - Physical Review B, 2014 - APS
Near-field infrared spectroscopy by elastic scattering of light from a probe tip resolves optical
contrasts in materials at dramatically subwavelength scales across a broad energy range …

Experimental Verification of the Spectral Shift between Near-and Far-Field Peak Intensities<? format?> of Plasmonic Infrared Nanoantennas

P Alonso-González, P Albella, F Neubrech, C Huck… - Physical review …, 2013 - APS
Theory predicts a distinct spectral shift between the near-and far-field optical response of
plasmonic antennas. Here we combine near-field optical microscopy and far-field …

Tailoring spatiotemporal light confinement in single plasmonic nanoantennas

T Hanke, J Cesar, V Knittel, A Trügler… - Nano …, 2012 - ACS Publications
Plasmonic nanoantennas are efficient devices to concentrate light in spatial regions much
smaller than the wavelength. Only recently, their ability to manipulate photons also on a …

High-fidelity nano-FTIR spectroscopy by on-pixel normalization of signal harmonics

L Mester, AA Govyadinov, R Hillenbrand - Nanophotonics, 2022 - degruyter.com
Scattering-type scanning near-field optical microscopy (s-SNOM) and Fourier transform
infrared nanospectroscopy (nano-FTIR) are emerging tools for physical and chemical …

Phase-resolved mapping of the near-field vector and polarization state in nanoscale antenna gaps

M Schnell, A Garcia-Etxarri, J Alkorta, J Aizpurua… - Nano …, 2010 - ACS Publications
We demonstrate that the local near-field vector and polarization state on planar antenna
structures and in nanoscale antenna gaps can be determined by scattering-type near-field …