The ultrafast polarization response to incident light and ensuing exciton/carrier generation
are essential to outstanding optoelectronic properties of lead halide perovskites (LHPs). A …

Coherent multidimensional spectroscopy (CMDS) and photoelectron spectroscopy have
become invaluable tools to elucidate the quantum properties and ultrafast dynamics of …

Two-dimensional electronic spectroscopy, and especially the polarization-controlled version
of it, is the cutting edge technique for disentangling various types of coherences in …

Perturbative nonlinear optical spectroscopies are powerful methods to understand the
dynamics of excitonic and other condensed phase systems. Feynman diagrams have long …

Multidimensional coherent optical spectroscopy (MDCS) is an elegant and versatile tool to
measure the ultrafast nonlinear optical response of materials. Of particular interest for …

The ultrafast optical Kerr effect (OKE) is widely used to investigate the structural dynamics
and interactions of liquids, solutions, and solids by observing their intrinsic nonlinear …

We have implemented double-quantum 2D spectroscopy on a rubidium vapor and shown
that this technique provides sensitive and background-free detection of the dipole–dipole …

Many-body interactions and correlations in atomic ensembles are fundamental in
understanding many-body effects such as collective and emergent phenomena and also …

Recent work applying multidimentional coherent electronic spectroscopy at dilute samples
in the gas phase is reviewed. The development of refined phase cycling approaches with …

Nonlinear optical spectroscopies are powerful tools for probing quantum dynamics in
molecular and nanoscale systems. While intuition about ultrafast spectroscopies is often …