[HTML][HTML] Optical two-dimensional coherent spectroscopy of many-body dipole–dipole interactions and correlations in atomic vapors

D Liang, H Li - The Journal of chemical physics, 2021 - pubs.aip.org
Many-body interactions and correlations in atomic ensembles are fundamental in
understanding many-body effects such as collective and emergent phenomena and also …

Cross-phase modulation in two-dimensional spectroscopy

MR Cai, X Zhang, ZQ Cheng, TF Yan, H Dong - Optics Express, 2024 - opg.optica.org
Developing from transient absorption (TA) spectroscopy, two-dimensional (2D) spectroscopy
with pump-probe geometry has emerged as a versatile approach for alleviating the difficulty …

Collective Resonance of States in Rubidium Atoms Probed by Optical Two-Dimensional Coherent Spectroscopy

D Liang, Y Zhu, H Li - Physical Review Letters, 2022 - APS
Collective resonance of interacting particles has important implications in many-body
quantum systems and their applications. Strong interactions can lead to a blockade that …

Double-quantum–zero-quantum 2D coherent spectroscopy reveals quantum coherence between collective states in an atomic vapor

SG Yu, YF Geng, DF Liang, HB Li, XJ Liu - Optics Letters, 2022 - opg.optica.org
We report a novel, to the best of our knowledge, double-quantum–zero-quantum two-
dimensional coherent spectroscopy (2DCS) that allows direct detection of the quantum …

Optical two-dimensional coherent spectroscopy of cold atoms

D Liang, L Savio Rodriguez, H Zhou, Y Zhu, H Li - Optics Letters, 2022 - opg.optica.org
We report an experimental demonstration of optical two-dimensional coherent spectroscopy
(2DCS) in cold atoms. The experiment integrates a collinear 2DCS setup with a magneto …

Multiple pathway quantum beat spectroscopy

Z Yi, TK Begzjav, GO Ariunbold, AM Zheltikov… - Frontiers in …, 2022 - frontiersin.org
We investigate quantum beats by monitoring cooperative emission from rubidium vapor and
demonstrate correlated beats via coupled emission channels. We develop a theoretical …

Two-dimensional electronic spectroscopy of an ultracold gas

F Landmesser, T Sixt, K Dulitz, L Bruder… - Optics Letters, 2023 - opg.optica.org
Femtosecond coherent multidimensional spectroscopy is demonstrated for an ultracold gas.
A setup for phase modulation spectroscopy is used to probe the 3^ 2S_1/2–2^ 2P_1/2, 3/2 …

Double-quantum spectroscopy of dense atomic vapors: Interplay between Doppler and self-broadenings

C Falvo, H Li - The Journal of chemical physics, 2023 - pubs.aip.org
In this article, we present a simulation study of the linear and nonlinear spectroscopy of
dense atomic vapors. Motivated by recent experiments, we focus on double quantum …

Ultrafast carrier dynamics of dual emissions from the orthorhombic phase in methylammonium lead iodide perovskites revealed by two-dimensional coherent …

M Titze, C Fei, M Munoz, X Wang… - The journal of physical …, 2019 - ACS Publications
The fundamental understanding of photoexcitation landscape and dynamics in hybrid
organic–inorganic perovskites is essential for improving their performance in solar cells and …

Pulse overlap ambiguities in multiple quantum coherence spectroscopy

U Bangert, L Bruder, F Stienkemeier - Optics Letters, 2023 - opg.optica.org
Coherent two-dimensional electronic spectroscopy probes ultrafast dynamics using
femtosecond pulses. In the case where the time scale of the studied dynamics become …