Atomically thin transition metal dichalcogenides (TMDs) are 2D semiconductors with tightly
bound excitons and correspondingly strong light–matter interactions. Owing to the weak van …

Semiconductor moiré superlattices represent a rapidly developing area of engineered
photonic materials and a new platform to explore correlated electron states and quantum …

The physics of quantum materials is dictated by many-body interactions and mathematical
concepts such as symmetry and topology that have transformed our understanding of matter …

Recent progress in utilizing ultrafast light-matter interaction to control the macroscopic
properties of quantum materials is reviewed. Particular emphasis is placed on photoinduced …

Moiré superlattices in atomically thin van der Waals heterostructures hold great promise for
extended control of electronic and valleytronic lifetimes,,,,,–, the confinement of excitons in …

Abstract Interlayer excitons (ILXs)—electron–hole pairs bound across two atomically thin
layered semiconductors—have emerged as attractive platforms to study exciton …

Angle-resolved photoemission spectroscopy (ARPES), with its exceptional sensitivity to both
the binding energy and the momentum of valence electrons in solids, provides unparalleled …

We discover that the spatially coherent radiation within a certain frequency range can be
obtained without a common nonlinear optical process. Conventionally, the emission spectra …

Transport of charge carriers is at the heart of current nanoelectronics. In conventional
materials, electronic transport can be controlled by applying electric fields. Atomically thin …

Most optoelectronic devices operate at high photocarrier densities, where all
semiconductors suffer from enhanced nonradiative recombination. Nonradiative processes …