Integrated photonic devices operating via optical nonlinearities offer a powerful solution for
all‐optical information processing, yielding processing speeds that are well beyond that of …

With compact footprint, low energy consumption, high scalability, and mass producibility,
chip‐scale integrated devices are an indispensable part of modern technological change …

Phase-matching of light waves is a critical condition for maximizing the efficiency of
nonlinear frequency conversion processes in nonlinear optical crystals; however, phase …

Optical switching has important applications in optical information processing, optical
computing, and optical communications. The long-term pursuit of optical switch is to achieve …

Abstract Two-dimensional materials (2DM) and their heterostructures offer tunable electrical
and optical properties, primarily modifiable through electrostatic gating and twisting …

Abstract Two-dimensional (2D) transition metal dichalcogenide (TMDC) materials, such as
MoS 2, WS 2, MoSe 2, and WSe 2, have received extensive attention in the past decade due …

In the past 20 years, we have reached a broad understanding of many light-driven
phenomena in nanoscale systems. The temporal dynamics of the excited states are instead …

Second harmonic generation (SHG) as an essential nonlinear optical effect, has gradually
shifted its research trend toward the integration and miniaturization of photonic and …

Nonlinear frequency conversion provides essential tools for generating new colors and
quantum states of light. Transition metal dichalcogenides possess huge nonlinear …

Abstract 2D materials are a subject of intense research in recent years owing to their
exclusive photoelectric properties. With giant nonlinear susceptibility and perfect phase …