Ultrafast optical spectroscopy of strongly correlated materials and high-temperature superconductors: a non-equilibrium approach

C Giannetti, M Capone, D Fausti, M Fabrizio… - Advances in …, 2016 - Taylor & Francis
In the last two decades non-equilibrium spectroscopies have evolved from avant-garde
studies to crucial tools for expanding our understanding of the physics of strongly correlated …

Oxide electronics utilizing ultrafast metal-insulator transitions

Z Yang, C Ko, S Ramanathan - Annual Review of Materials …, 2011 - annualreviews.org
Although phase transitions have long been a centerpiece of condensed matter materials
science studies, a number of recent efforts focus on potentially exploiting the resulting …

Optically Tunable Mie Resonance VO2 Nanoantennas for Metasurfaces in the Visible

P Kepic, F Ligmajer, M Hrton, H Ren, LS Menezes… - ACS …, 2021 - ACS Publications
Metasurfaces are ultrathin nanostructured surfaces that can allow arbitrary manipulation of
light. Implementing dynamic tunability into their design could allow the optical functions of …

Phase-change materials for intelligent temperature regulation

R Guo, L Shan, Y Wu, Y Cai, R Huang, H Ma… - Materials Today …, 2022 - Elsevier
Energy-efficient components that are capable of intelligently regulating room temperature
are much demanded to reduce the energy consumption in buildings. In recent years, phase …

Role of Defects in the Phase Transition of VO2 Nanoparticles Probed by Plasmon Resonance Spectroscopy

K Appavoo, DY Lei, Y Sonnefraud, B Wang… - Nano …, 2012 - ACS Publications
Defects are known to affect nanoscale phase transitions, but their specific role in the metal-to-
insulator transition in VO2 has remained elusive. By combining plasmon resonance …

Ultrafast insulator-metal phase transition in VO studied by multiterahertz spectroscopy

A Pashkin, C Kübler, H Ehrke, R Lopez, A Halabica… - Physical Review B …, 2011 - APS
The ultrafast photoinduced insulator-metal transition in VO 2 is studied at different
temperatures and excitation fluences using multi-THz probe pulses. The spectrally resolved …

Disentangling the Electronic and Phononic Glue in a High-Tc Superconductor

S Dal Conte, C Giannetti, G Coslovich, F Cilento… - Science, 2012 - science.org
Unveiling the nature of the bosonic excitations that mediate the formation of Cooper pairs is
a key issue for understanding unconventional superconductivity. A fundamental step toward …

Recent development of ultrafast optical characterizations for quantum materials

T Dong, SJ Zhang, NL Wang - Advanced Materials, 2023 - Wiley Online Library
The advent of intense ultrashort optical pulses spanning a frequency range from terahertz to
the visible has opened a new era in the experimental investigation and manipulation of …

Revealing the high-energy electronic excitations underlying the onset of high-temperature superconductivity in cuprates

C Giannetti, F Cilento, SD Conte, G Coslovich… - Nature …, 2011 - nature.com
In strongly correlated systems the electronic properties at the Fermi energy (EF) are
intertwined with those at high-energy scales. One of the pivotal challenges in the field of …

Active control of surface plasmon–emitter strong coupling

AJ Moilanen, TK Hakala, P Törmä - ACS Photonics, 2018 - ACS Publications
Strong coupling between quantum emitters and surface plasmon polariton modes in metal
nanostructures has been extensively studied in recent years. A natural direction of research …