Strong electron-phonon interactions are frequently considered the origin of the unique
electrical and optical properties of lead halide perovskites. Electron-phonon interactions …

Nonlinear optics has undergone dramatic developments in the past 60 years, which has
revolutionized the photonic and optoelectronic fields with many essential applications such …

As a quantum material, Weyl semimetal has a series of electronic-band-structure features,
including Weyl points with left and right chirality and corresponding Berry curvature, which …

Cs2AgInCl6 double perovskite (DP) nanocrystals (NCs) are an emerging class of materials
with promising application potential in photonics/optoelectronics owing to their nontoxicity …

An ultra-low pump intensity and high photon flux have been long pursuits of high harmonic
generation (HHG) in solids. However, there is lack of a criterion to identify a pristine solid …

High-harmonic generation is the frequency upconversion of an intense femtosecond infrared
laser in a material. In condensed-phase high-harmonic generation, laser-driven currents of …

It is necessary to improve the action cross section (η× σ n) of high-order multiphoton
absorption (MPA) for fundamental research and practical applications. Herein, the core …

Lead halide perovskite nanocrystals are attracting considerable interest as next-generation
optoelectronic materials. Optical responses of nanocrystals are determined by excitons and …

The development of versatile two-dimensional (2D) nanocrystals (NCs), with superior
nonlinear optical (NLO) properties, is essential for various applications in photonics and …

Metal halide perovskites have emerged as versatile photonic device materials because of
their outstanding band structure and excellent optical properties. Here, we determined the …