Ultrafast optical spectroscopy of strongly correlated materials and high-temperature superconductors: a non-equilibrium approach
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 …
studies to crucial tools for expanding our understanding of the physics of strongly correlated …
Ultrafast supercontinuum generation in bulk condensed media (Invited Review)
A Dubietis, G Tamošauskas, R Šuminas… - arXiv preprint arXiv …, 2017 - arxiv.org
Nonlinear propagation of intense femtosecond laser pulses in bulk transparent media leads
to a specific propagation regime, termed femtosecond filamentation, which in turn produces …
to a specific propagation regime, termed femtosecond filamentation, which in turn produces …
Ultrafast changes in lattice symmetry probed by coherent phonons
The electronic and structural properties of a material are strongly determined by its
symmetry. Changing the symmetry via a photoinduced phase transition offers new ways to …
symmetry. Changing the symmetry via a photoinduced phase transition offers new ways to …
Ultrafast dynamics during the photoinduced phase transition in VO2
The phase transition of VO 2 from a monoclinic insulator to a rutile metal, which occurs
thermally at TC= 340 K, can also be driven by strong photoexcitation. The ultrafast dynamics …
thermally at TC= 340 K, can also be driven by strong photoexcitation. The ultrafast dynamics …
Tracking the evolution of electronic and structural properties of VO during the ultrafast photoinduced insulator-metal transition
We present a detailed study of the photoinduced insulator-metal transition in VO 2 with
broadband time-resolved reflection spectroscopy. This allows us to separate the response of …
broadband time-resolved reflection spectroscopy. This allows us to separate the response of …
Optical waveform synthesis and its applications
The quest for ever‐shorter optical pulses has been ongoing for over half a century. Although
few‐cycle pulses have been generated for nearly 40 years, pulse lengths below the single …
few‐cycle pulses have been generated for nearly 40 years, pulse lengths below the single …
Infrared extension of femtosecond supercontinuum generated by filamentation in solid-state media
V Jukna, J Galinis, G Tamosauskas, D Majus… - Applied Physics B, 2014 - Springer
We carried out experimental and numerical study of the ultrafast supercontinuum generation
by filamentation of 120 fs, 800 nm laser pulses in sapphire under variable focusing …
by filamentation of 120 fs, 800 nm laser pulses in sapphire under variable focusing …
[HTML][HTML] Broadband femtosecond spectroscopic ellipsometry
S Richter, M Rebarz, O Herrfurth, S Espinoza… - Review of Scientific …, 2021 - pubs.aip.org
We present a setup for time-resolved spectroscopic ellipsometry in a pump–probe scheme
using femtosecond laser pulses. As a probe, the system deploys supercontinuum white light …
using femtosecond laser pulses. As a probe, the system deploys supercontinuum white light …
Characterizing ultrashort pulses with photon energies above 1.12 eV based on transient absorption in silicon thin films
Frequency-resolved optical switching (FROSt) is a phase-matching-free characterization
technique for ultrashort pulses based on transient absorption in semiconductors. So far, this …
technique for ultrashort pulses based on transient absorption in semiconductors. So far, this …
[HTML][HTML] Revealing the competing contributions of charge carriers, excitons, and defects to the non-equilibrium optical properties of ZnO
Due to its wide band gap and high carrier mobility, ZnO is, among other transparent
conductive oxides, an attractive material for light-harvesting and optoelectronic applications …
conductive oxides, an attractive material for light-harvesting and optoelectronic applications …