Halide perovskites (HPs) are potential game-changing materials for a broad spectrum of
optoelectronic applications ranging from photovoltaics, light-emitting devices, lasers to …

Femtosecond nonlinear spectroscopy is the main tool for the time-resolved detection of
photophysical and photochemical processes. Since most systems of chemical interest are …

Over the last few decades, conical intersections (CoIns) have grown from theoretical
curiosities into common mechanistic features of photochemical reactions, whose function is …

The strong coherent coupling of quantum emitters to vacuum fluctuations of the light field
offers opportunities for manipulating the optical and transport properties of nanomaterials …

Transient absorption and coherent two-dimensional spectroscopy are widely established
methods for the investigation of ultrafast dynamics in quantum systems. Conventionally, they …

Vibronic coupling, the interplay of electronic and nuclear vibrational motion, is considered a
critical mechanism in photoinduced reactions such as energy transfer, charge transfer, and …

We develop an accurate and numerically efficient non-adiabatic path-integral approach to
simulate the non-linear spectroscopy of exciton–polariton systems. This approach is based …

Action-detection has expanded the scope and applicability of 2D electronic spectroscopy,
while posing new challenges for the unambiguous interpretation of spectral features. In this …

This study elucidates the information content that is extracted from action-2D electronic
spectroscopy (A-2DES) when the output intensity is not proportional to the number of …

Establishing the fundamental chemical principles that govern molecular electronic quantum
decoherence has remained an outstanding challenge. Fundamental questions such as how …