Tracking excited state decay mechanisms of pyrimidine nucleosides in real time
DNA owes its remarkable photostability to its building blocks—the nucleosides—that
efficiently dissipate the energy acquired upon ultraviolet light absorption. The mechanism …
efficiently dissipate the energy acquired upon ultraviolet light absorption. The mechanism …
UV-Light-Induced Vibrational Coherences: The Key to Understand Kasha Rule Violation in trans-Azobenzene
We combine sub-20 fs transient absorption spectroscopy with state-of-the-art computations
to study the ultrafast photoinduced dynamics of trans-azobenzene (AB). We are able to …
to study the ultrafast photoinduced dynamics of trans-azobenzene (AB). We are able to …
Ultraviolet pulse compression via cross-phase modulation in a hollow-core fiber
Y Jiang, JP Messerschmidt, F Scheiba, I Tyulnev… - Optica, 2024 - opg.optica.org
The generation of few-femtosecond pulses with high energy and tunable spectrum in the
ultraviolet region is an ongoing challenge in ultrafast optics. Harnessing the cross-phase …
ultraviolet region is an ongoing challenge in ultrafast optics. Harnessing the cross-phase …
Observation of the sub-100 femtosecond population of a dark state in a thiobase mediating intersystem crossing
We combined sub-30 fs broadband transient absorption spectroscopy in the ultraviolet with
state-of-the-art quantum mechanics/molecular mechanics simulations to study the ultrafast …
state-of-the-art quantum mechanics/molecular mechanics simulations to study the ultrafast …
Strongly Coupled Coherent Phonons in Single-Layer MoS2
We present a transient absorption setup combining broadband detection over the visible–
UV range with high temporal resolution (∼ 20 fs) which is ideally suited to trigger and detect …
UV range with high temporal resolution (∼ 20 fs) which is ideally suited to trigger and detect …
Ultraviolet transient absorption spectrometer with sub-20-fs time resolution
We describe a transient absorption (TA) spectroscopy system in the ultraviolet (UV) spectral
range, for the study of the ultrafast optical response of biomolecules. After reviewing the …
range, for the study of the ultrafast optical response of biomolecules. After reviewing the …
Optical parametric amplification of sub-cycle shortwave infrared pulses
YC Lin, Y Nabekawa, K Midorikawa - Nature communications, 2020 - nature.com
Few–cycle short–wave infrared (SWIR) pulses are useful tools for research on strong–field
physics and nonlinear optics. Here we demonstrate the amplification of sub–cycle pulses in …
physics and nonlinear optics. Here we demonstrate the amplification of sub–cycle pulses in …
Engineering the vibrational coherence of vision into a synthetic molecular device
The light-induced double-bond isomerization of the visual pigment rhodopsin operates a
molecular-level optomechanical energy transduction, which triggers a crucial protein …
molecular-level optomechanical energy transduction, which triggers a crucial protein …
A unified experimental/theoretical description of the ultrafast photophysics of single and double thionated uracils
Photoinduced processes in thiouracil derivatives have lately attracted considerable attention
due to their suitability for innovative biological and pharmacological applications. Here, sub …
due to their suitability for innovative biological and pharmacological applications. Here, sub …
Real-time observation of sub-100-fs charge and energy transfer processes in DNA dinucleotides
Using as showcase the DNA dinucleotide 5′-dTpdG-3′, in which the thymine (T) is
located at the 5′ end with respect to the guanine (G), we study the photoinduced electronic …
located at the 5′ end with respect to the guanine (G), we study the photoinduced electronic …