Ultrafast spectroscopy: State of the art and open challenges

M Maiuri, M Garavelli, G Cerullo - Journal of the American …, 2019 - ACS Publications
Ultrafast spectroscopy techniques use sequences of ultrashort light pulses (with femto-to
attosecond durations) to study photoinduced dynamical processes in atoms, molecules …

[PDF][PDF] All-dielectric χ(2) metasurfaces: recent progress

C Gigli, G Leo - Opto-Electronic Advances, 2022 - researching.cn
Optical metasurfaces, ie arrays of nanoantennas with sub-wavelength size and separation,
enable the manipulation of light-matter interactions in miniaturized optical components with …

Nonlinear plasmonics

M Kauranen, AV Zayats - Nature photonics, 2012 - nature.com
When light interacts with metal nanostructures, it can couple to free-electron excitations near
the metal surface. The electromagnetic resonances associated with these surface plasmons …

Gold nanorods and their plasmonic properties

H Chen, L Shao, Q Li, J Wang - Chemical Society Reviews, 2013 - pubs.rsc.org
Gold nanorods have been receiving extensive attention owing to their extremely attractive
applications in biomedical technologies, plasmon-enhanced spectroscopies, and optical …

Understanding hot-electron generation and plasmon relaxation in metal nanocrystals: quantum and classical mechanisms

LV Besteiro, XT Kong, Z Wang, G Hartland… - Acs …, 2017 - ACS Publications
Generation of energetic (hot) electrons is an intrinsic property of any plasmonic
nanostructure under illumination. Simultaneously, a striking advantage of metal nanocrystals …

Integration and applications of nanomaterials for ultrafast photonics

X Zhao, H Jin, J Liu, J Chao, T Liu… - Laser & Photonics …, 2022 - Wiley Online Library
Nanomaterials with remarkable optical, mechanical, and electrical properties have shed
new light on various fields including optoelectronics, sensors, biomedicine, and ultrafast …

Evolution from the plasmon to exciton state in ligand-protected atomically precise gold nanoparticles

M Zhou, C Zeng, Y Chen, S Zhao, MY Sfeir… - Nature …, 2016 - nature.com
The evolution from the metallic (or plasmonic) to molecular state in metal nanoparticles
constitutes a central question in nanoscience research because of its importance in …

Anomalous ultrafast dynamics of hot plasmonic electrons in nanostructures with hot spots

H Harutyunyan, ABF Martinson, D Rosenmann… - Nature …, 2015 - nature.com
The interaction of light and matter in metallic nanosystems is mediated by the collective
oscillation of surface electrons, called plasmons. After excitation, plasmons are absorbed by …

The fast and the furious: Ultrafast hot electrons in plasmonic metastructures. Size and structure matter

LV Besteiro, P Yu, Z Wang, AW Holleitner, GV Hartland… - Nano Today, 2019 - Elsevier
This review focuses on the generation of energetic (hot) electrons in plasmonic
metastructures and nanomaterials, and their characterization through time-resolved …

Light‐induced tuning and reconfiguration of nanophotonic structures

SV Makarov, AS Zalogina, M Tajik… - Laser & Photonics …, 2017 - Wiley Online Library
Interaction of light pulses of various durations and intensities with nanoscale photonic
structures plays an important role in many applications of nanophotonics for high‐density …