Semiconductor lasers, an important subfield of semiconductor photonics, have
fundamentally changed many aspects of our lives and enabled many technologies since …

Ruddlesden–Popper halide perovskites are 2D solution-processed quantum wells with a
general formula A2A'n-1M n X3 n+ 1, where optoelectronic properties can be tuned by …

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

The past decade has witnessed the rise of low-dimensional materials, such as graphene,
transition metal dichalcogenides, black phosphorus, organic–inorganic hybrid perovskites …

A key feature of monolayer semiconductors, such as transition-metal dichalcogenides, is the
poorly screened Coulomb potential, which leads to a large exciton binding energy (E b) and …

The density-driven transition of an exciton gas into an electron–hole plasma remains a
compelling question in condensed matter physics. In two-dimensional transition metal …

Controlling charge density in two-dimensional (2D) materials is a powerful approach for
engineering new electronic phases and properties. This control is traditionally realized by …

Charge separated interlayer excitons in transition metal dichalcogenide heterobilayers are
being explored for moiré exciton lattices and exciton condensates. The presence of …

Two-dimensional transition metal dichalcogenides offer a fascinating platform for creating
van der Waals heterojunctions with exciting physical properties. Because of their typical type …

Optical excitation serves as a powerful approach to control the electronic structure of layered
van der Waals materials via many-body screening effects, induced by photoexcited free …