[HTML][HTML] Matter manipulation with extreme terahertz light: Progress in the enabling THz technology

P Salén, M Basini, S Bonetti, J Hebling, M Krasilnikov… - Physics reports, 2019 - Elsevier
Terahertz (THz) light has proven to be a fine tool to probe and control quasi-particles and
collective excitations in solids, to drive phase transitions and associated changes in material …

Two-dimensional spectroscopy at terahertz frequencies

J Lu, X Li, Y Zhang, HY Hwang, BK Ofori-Okai… - Multidimensional Time …, 2019 - Springer
Multidimensional spectroscopy in the visible and infrared spectral ranges has become a
powerful technique to retrieve dynamic correlations and couplings in wide-ranging systems …

Distinguishing nonlinear terahertz excitation pathways with two-dimensional spectroscopy

CL Johnson, BE Knighton, JA Johnson - Physical Review Letters, 2019 - APS
High-field terahertz (THz) spectroscopy is enabling the ultrafast study and control of matter in
new and exciting ways. However, when intense electromagnetic pulses are used in any kind …

A new standard in high-field terahertz generation: the organic nonlinear optical crystal PNPA

C Rader, ZB Zaccardi, SHE Ho, KG Harrell… - ACS …, 2022 - ACS Publications
We report the full characterization of a new organic nonlinear optical (NLO) crystal for
intense THz generation: PNPA ((E)-4-((4-nitrobenzylidene) amino)-N-phenylaniline). We …

[HTML][HTML] Two-dimensional terahertz spectroscopy of condensed-phase molecular systems

K Reimann, M Woerner, T Elsaesser - The Journal of Chemical …, 2021 - pubs.aip.org
Nonlinear terahertz (THz) spectroscopy relies on the interaction of matter with few-cycle THz
pulses of electric field amplitudes up to megavolts/centimeter (MV/cm). In condensed-phase …

Two-dimensional infrared-Raman spectroscopy as a probe of water's tetrahedrality

T Begušić, GA Blake - Nature Communications, 2023 - nature.com
Two-dimensional spectroscopic techniques combining terahertz (THz), infrared (IR), and
visible pulses offer a wealth of information about coupling among vibrational modes in …

Terahertz waveform considerations for nonlinearly driving lattice vibrations

BE Knighton, R Tanner Hardy, CL Johnson… - Journal of Applied …, 2019 - pubs.aip.org
High-field terahertz (THz) spectroscopy is applied to nonlinearly excite the E phonon-
polariton vibrational coordinate in LiNbO 3. We compare three THz sources to show that by …

Comprehensive characterization of terahertz generation with the organic crystal BNA

IC Tangen, GA Valdivia-Berroeta, LK Heki… - Journal of the Optical …, 2021 - opg.optica.org
We characterize the terahertz (THz) generation of N-benzyl-2-methyl-4-nitroaniline (BNA),
with crystals ranging in thickness from 123 to 700 µm. We compare excitation using 800 nm …

Impact of nuclear quantum effects on the structural inhomogeneity of liquid water

A Berger, G Ciardi, D Sidler… - Proceedings of the …, 2019 - National Acad Sciences
The 2D Raman–terahertz (THz) response of liquid water is studied in dependence of
temperature and isotope substitution (H 2 O, D 2 O, and H 2 18 O). In either case, a very …

Enabling high-power, broadband THz generation with 800-nm pump wavelength

ZB Zaccardi, IC Tangen, GA Valdivia-Berroeta… - Optics …, 2021 - opg.optica.org
The organic terahertz (THz) generation crystal BNA has recently gained traction as a source
for producing broadband THz pulses. When pumped with 100 fs pulses, the thin BNA …