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 …

Nonlinear light–matter interaction at terahertz frequencies

D Nicoletti, A Cavalleri - Advances in Optics and Photonics, 2016‏ - opg.optica.org
Strong optical pulses at mid-infrared and terahertz frequencies have recently emerged as
powerful tools to manipulate and control the solid state and especially complex condensed …

Snapshots of cooperative atomic motions in the optical suppression of charge density waves

M Eichberger, H Schäfer, M Krumova, M Beyer… - Nature, 2010‏ - nature.com
Macroscopic quantum phenomena such as high-temperature superconductivity, colossal
magnetoresistance, ferrimagnetism and ferromagnetism arise from a delicate balance of …

Terahertz emission from diamond nitrogen-vacancy centers

S Kollarics, BG Márkus, R Kucsera, G Thiering… - Science …, 2024‏ - science.org
Coherent light sources emitting in the terahertz range are highly sought after for fundamental
research and applications. Terahertz lasers rely on achieving population inversion. We …

Tracking Cooper pairs in a cuprate superconductor by ultrafast angle-resolved photoemission

CL Smallwood, JP Hinton, C Jozwiak, W Zhang… - Science, 2012‏ - science.org
In high-temperature superconductivity, the process that leads to the formation of Cooper
pairs, the fundamental charge carriers in any superconductor, remains mysterious. We used …

Near-infrared light-induced superconducting-like state in underdoped studied by -axis terahertz third-harmonic generation

K Katsumi, M Nishida, S Kaiser, S Miyasaka, S Tajima… - Physical Review B, 2023‏ - APS
The recent observation of the light-induced superconducting (SC)-like transient response in
c-axis optical conductivity far above the SC transition temperature T c in underdoped Y Ba 2 …

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 …

Electron-Phonon Coupling in High-Temperature Cuprate Superconductors<? format?> Determined from Electron Relaxation Rates

C Gadermaier, AS Alexandrov, VV Kabanov, P Kusar… - Physical review …, 2010‏ - APS
We determined electronic relaxation times via pump-probe optical spectroscopy using sub-
15 fs pulses for the normal state of two different cuprate superconductors. We show that the …

Photoenhanced metastable c-axis electrodynamics in stripe-ordered cuprate La1.885Ba0.115CuO4

KA Cremin, J Zhang, CC Homes, GD Gu, Z Sun… - Proceedings of the …, 2019‏ - pnas.org
Quantum materials are amenable to nonequilibrium manipulation with light, enabling
modification and control of macroscopic properties. Light-based augmentation of …

Energy-Gap Dynamics of Superconducting NbN Thin Films Studied<? format?> by Time-Resolved Terahertz Spectroscopy

M Beck, M Klammer, S Lang, P Leiderer, VV Kabanov… - Physical Review Letters, 2011‏ - APS
Using time-domain terahertz spectroscopy we performed direct studies of the photoinduced
suppres<? format?> sion and recovery of the superconducting gap in a conventional BCS …