Nonlinear optical (NLO) crystals have become a hot topic in chemical science and material
physics, due to their essential role in laser technology, optical information, optoelectronics …

Two-dimensional (2D) NbOI2 demonstrates significant second-harmonic generation (SHG)
with a high conversion efficiency. To unlock its full potential in practical applications, it is …

Abstract 2D ferroelectric materials present promising applications in information storage,
sensor technology, and optoelectronics through their coupling with magnetics/valleytronics …

Nonlinear optical processes lie at the heart of frequency tunable coherent light sources,
including entangled photon sources and squeezed states of light, and they have become …

Abstract 2D materials are burgeoning as promising candidates for investigating nonlinear
optical effects due to high nonlinear susceptibilities, broadband optical response, and …

The response to strains is a crucial issue when applying two-dimensional (2D) materials in
flexible electronic devices. Utilizing first-principles calculations based on density functional …

Abstract 2D materials with remarkable second‐harmonic generation (SHG) hold promise for
future on‐chip nonlinear optics. Relevant materials with both giant SHG response and …

Second harmonic generation (SHG) in van der Waals (vdW) materials has garnered
significant attention due to its potential for integrated nonlinear optical and optoelectronic …

The pursuit for “ferroelectric metal,” which combines seemingly incompatible spontaneous
electric polarization and metallicity, has been assiduously ongoing but remains elusive …

NbOCl 2, a representative van der Waals ferroelectric (FE) semiconductor, has become the
research frontier due to its peculiar appeal in both fundamental research studies and …