Topological semimetals (TSMs) are characterized by bulk band crossings in their electronic
structures, which are expected to give rise to gapless electronic excitations and topological …

In the past two decades, great progress has been made in the development of inexpensive,
compact and efficient mid-infrared pulsed fiber laser Q-switched, mode-locked, and gain …

Abstract Atomically thin Bi2O2Se has emerged as a novel two-dimensional (2D) material
with an ultrabroadband nonlinear optical response, high carrier mobility and excellent air …

Low‐dimensional (LD) materials demonstrate intriguing optical properties, which lead to
applications in diverse fields, such as photonics, biomedicine and energy. Due to …

Ultrafast laser sources operating in the mid-infrared (mid-IR) region, which contains the
characteristic fingerprint spectra of many important molecules and transparent windows of …

Black phosphorus (BP), a typical mono-elemental and two-dimensional (2D) material, has
gathered significant attention owing to its distinct optoelectronic properties and promising …

Initiated by the discovery of topological insulators, topologically non-trivial materials have
attracted immense interest in the physics community in the past decade. One of the latest …

The mid-infrared (MIR) represents a large portion of the electromagnetic spectrum that is
progressively being exploited for an enormous number of applications. Thermal imaging …

We report strong terahertz (∼ 10 12 Hz) high harmonic generation at room temperature in
thin films of Cd 3 As 2, a three-dimensional Dirac semimetal. Third harmonics are detectable …

The thermoelectric effects of topological semimetals have attracted tremendous research
interest because many topological semimetals are excellent thermoelectric materials and …