[HTML][HTML] Transient absorption spectroscopy based on uncompressed hollow core fiber white light proves pre-association between a radical ion photocatalyst and …

A Kumar, P Malevich, L Mewes, S Wu… - The Journal of …, 2023 - pubs.aip.org
We present a hollow-core fiber (HCF) based transient absorption experiment, with
capabilities beyond common titanium: sapphire based setups. By spectral filtering of the …

Absolute excited state molecular geometries revealed by resonance Raman signals

G Batignani, E Mai, G Fumero, S Mukamel… - Nature …, 2022 - nature.com
Ultrafast reactions activated by light absorption are governed by multidimensional excited-
state (ES) potential energy surfaces (PESs), which describe how the molecular potential …

Quantized Acoustoelectric Floquet Effect in Quantum Nanowires

C Yang, W Hunt, G Refael, I Esin - Physical Review Letters, 2024 - APS
External coherent fields can drive quantum materials into nonequilibrium states, revealing
exotic properties that are unattainable under equilibrium conditions—an approach known as …

Non-resonant background removal in broadband CARS microscopy using deep-learning algorithms

F Vernuccio, E Broggio, S Sorrentino, A Bresci… - Scientific Reports, 2024 - nature.com
Abstract Broadband Coherent anti-Stokes Raman (BCARS) microscopy is an imaging
technique that can acquire full Raman spectra (400–3200 cm− 1) of biological samples …

Observation of parallel intersystem crossing and charge transfer-state dynamics in [Fe (bpy) 3] 2+ from ultrafast 2D electronic spectroscopy

A Lee, M Son, M Deegbey, MD Woodhouse… - Chemical …, 2023 - pubs.rsc.org
Transition metal-based charge-transfer complexes represent a broad class of inorganic
compounds with diverse photochemical applications. Charge-transfer complexes based on …

Theoretical investigation of ultra-high quality factor RI-sensor using compressed optical pulse and high negative dispersion structure for IoT applications

R Karami, M Seifouri, S Olyaee - Optical and Quantum Electronics, 2023 - Springer
Efficiently use of resources for various applications requires the design of structures with
multiple capabilities. Herein, we present a multi-function optical structure to compensate the …

Orchestrating Nuclear Dynamics in a Permanganate Doped Crystal with Chirped Pump–Probe Spectroscopy

E Mai, P Malakar, G Batignani, M Martinati… - The Journal of …, 2024 - ACS Publications
Pump–probe spectroscopy is a powerful tool to investigate light-induced dynamical
processes in molecules and solids. Targeting vibrational excitations occurring on the time …

Probing avoided crossings and conical intersections by two-pulse femtosecond stimulated Raman spectroscopy: Theoretical study

Y Qiang, K Sun, E Palacino-González… - The Journal of …, 2024 - pubs.aip.org
This study leverages two-pulse femtosecond stimulated Raman spectroscopy (2FSRS) to
characterize molecular systems with avoided crossings (ACs) and conical intersections (CIs) …

On the nature of initial solvation in bulk polar liquids: Gaussian or exponential?

S Chawla, S Dhamija, G Bhutani, AK De - The Journal of Chemical …, 2024 - pubs.aip.org
Measurement of time evolution of fluorescence of a probe solute has been a quintessential
technique to quantify how dipolar solvent molecules dynamically minimize the free energy of …

Separating Vibrational Coherences in Ground/Excited Electronic States of Solvent/Solute Following Non‐Resonant/Resonant Impulsive Excitation

S Dhamija, G Bhutani, AK De - ChemPhysChem, 2023 - Wiley Online Library
In a quest to track down the origin of coherent vibrational motions observed in femtosecond
pump‐probe transients, whether they arise from ground/excited electronic state of solute or …