Over the past decade, research on atomically thin two-dimensional (2D) transition metal
dichalcogenides (TMDs) has expanded rapidly due to their unique properties such as high …

Twisted van der Waals (vdW) quantum materials have emerged as a rapidly develo** field
of two-dimensional (2D) semiconductors. These materials establish a new central research …

Two-dimensional (2D) van der Waals (vdW) materials, featuring relaxed phase-matching
conditions and highly tunable optical nonlinearity, endow them with potential applications in …

Abstract 2D in‐plane ferroelectric NbOI2 exhibits strong second harmonic generation (SHG)
and ultrahigh effective susceptibility. To push forward their applications in nonlinear …

Hydrogen holds promise for slashing emissions in energy and transportation due to its high
energy density and clean combustion. The transition to hydrogen fuel encompasses various …

The integration of two-dimensional (2D) van der Waals materials with nanostructures has
triggered a wide spectrum of optical and optoelectronic applications. Photonic structures of …

The nonlinear optical (NLO) properties of two-dimensional (2D) materials are fascinating for
fundamental physics and optoelectronic device development. However, relatively few …

Despite the potential of graphene for building a variety of quantum photonic devices, its
centrosymmetric nature forbids the observation of second harmonic generation (SHG) for …

Nonlinear optics is of crucial importance in several fields of science and technology with
applications in frequency conversion, entangled‐photon generation, self‐referencing of …

Second-order nonlinearity in solids gives rise to a plethora of unique physical phenomena
ranging from piezoelectricity and optical rectification to optical parametric amplification …