Achieving broadband and multifunctional response through a single optical device is a
highly sought-after capability for various applications like microscopy and optical imaging …

Structured light, particularly in the terahertz frequency range, holds considerable potential
for a diverse range of applications. However, the generation and control of structured …

Efficient transceivers and antennas at terahertz frequencies are leading the development of
6G terahertz communication systems. The antenna design for high‐resolution terahertz …

Researchers are puzzled whether the enhancement of the abruptly autofocusing ability
caused by a linear chirp factor is accompanied by the shortening or the extension of the …

In recent decades, significant progress has been made in the field of laser beam shaping,
driven by the growing demands in both scientific research and industrial applications …

A key challenge in millimeter-wave and terahertz wireless networks is blockage of the line-of-
sight path between a base station and a user. User and environmental mobility can lead to …

Exploring and taming the diffraction phenomena and divergence of light are foundational to
enhancing comprehension of nature and developing photonic technologies. Despite the …

The art of light engineering unveils a world of possibilities through the meticulous
manipulation of photonic properties such as intensity, phase, and polarization. Precision …

We demonstrate that by seeding an accelerating ring-Airy beam with a finite number of off-
axis optical vortices, it transforms into a tornado wave (ToW) upon propagation. Using …

Multilevel diffractive lenses (MDLs) has undergone considerable advancements, marked by
their exceptional efficiency and diverse focusing capabilities, resulting in their widespread …