Two-dimensional electronic spectroscopy

E Fresch, FVA Camargo, Q Shen, CC Bellora… - Nature Reviews …, 2023 - nature.com
Two-dimensional electronic spectroscopy (2DES) is a popular technique that can track
ultrafast coherent and incoherent processes in real time. Since its development in the late …

Progress and prospects in optical ultrafast microscopy in the visible spectral region: Transient absorption and two-dimensional microscopy

N Gross, CT Kuhs, B Ostovar, WY Chiang… - The Journal of …, 2023 - ACS Publications
Ultrafast optical microscopy, generally employed by incorporating ultrafast laser pulses into
microscopes, can provide spatially resolved mechanistic insight into scientific problems …

Momentum-Resolved Exciton Coupling and Valley Polarization Dynamics in Monolayer

A Kunin, S Chernov, J Bakalis, Z Li, S Cheng… - Physical Review Letters, 2023 - APS
Using time-and angle-resolved photoemission, we present momentum-and energy-resolved
measurements of exciton coupling in monolayer WS 2. We observe strong intravalley …

Optically accessible long-lived electronic biexcitons at room temperature in strongly coupled H-aggregates

S Sohoni, I Ghosh, GT Nash, CA Jones… - Nature …, 2024 - nature.com
Photon absorption is the first process in light harvesting. Upon absorption, the photon
redistributes electrons in the materials to create a Coulombically bound electron-hole pair …

Phycobilisome's exciton transfer efficiency relies on an energetic funnel driven by chromophore–linker protein interactions

S Sohoni, LT Lloyd, A Hitchcock… - Journal of the …, 2023 - ACS Publications
The phycobilisome is the primary light-harvesting antenna in cyanobacterial and red algal
oxygenic photosynthesis. It maintains near-unity efficiency of energy transfer to reaction …

Evidence for Hybrid Inorganic–Organic Transitions at the WS2/Terrylene Interface

B Tanda Bonkano, S Palato, J Krumland… - … status solidi (a), 2024 - Wiley Online Library
The realization of the potential of hybrid inorganic organic systems requires an
understanding of the coupling between the constituents: its nature and its strength. The …

Ultrafast carrier dynamics in vanadium-doped MoS 2 alloys

B Upadhyay, R Sharma, D Maity, TN Narayan, SK Pal - Nanoscale, 2023 - pubs.rsc.org
Substitutional do** is a most promising approach to manipulate the electronic and optical
properties of two-dimensional (2D) transition metal dichalcogenides (TMDCs). In addition to …

Revealing ultrafast phonon mediated inter-valley scattering through transient absorption and high harmonic spectroscopies

K Lively, SA Sato, G Albareda, A Rubio, A Kelly - Physical Review Research, 2024 - APS
Processes involving ultrafast laser driven electron-phonon dynamics play a fundamental
role in the response of quantum systems in a growing number of situations of interest, as …

Sub-8-fs pulses in the visible to near-infrared by a degenerate optical parametric amplifier

T Deckert, A Vanderhaegen, D Brida - Optics Letters, 2023 - opg.optica.org
This work presents a single-stage optical parametric amplifier (OPA) operating at
degeneracy (DOPA) and pumped by the third harmonic of a Yb: KGW laser system. This …

Perturbed free induction decay obscures early time dynamics in two-dimensional electronic spectroscopy: The case of semiconductor nanocrystals

P Brosseau, H Seiler, S Palato, C Sonnichsen… - The Journal of …, 2023 - pubs.aip.org
Two-dimensional electronic spectroscopy (2DES) has recently been gaining popularity as
an alternative to the more common transient absorption spectroscopy due to the …