Metasurfaces have opened the door to next-generation optical devices due to their ability to
dramatically modulate electromagnetic waves at will using periodically arranged …

Dynamically controlling terahertz (THz) waves with an ultracompact device is highly desired,
but previously realized tunable devices are bulky in size and/or exhibit limited light-tuning …

Object identification and three-dimensional reconstruction techniques are always attractive
research interests in machine vision, virtual reality, augmented reality, and biomedical …

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

All-optical control of terahertz pulses is essential for the development of optoelectronic
devices for next-generation quantum technologies. Despite substantial research in THz …

Despite its important role in understanding ultrafast spin dynamics and revealing novel
spin/orbit effects, the mechanism of the terahertz (THz) emission from a single ferromagnetic …

Precise and ultrafast control over photo-induced charge currents across nanoscale
interfaces could lead to important applications in energy harvesting, ultrafast electronics …

Metasurfaces are ultra-thin artificial structures capable of flexibly manipulating
electromagnetic (EM) waves. Among various applications, phase modulation of …

A varactor-based reconfigurable multifunctional metasurface capable of simultaneous beam
steering, polarization conversion and phase offset is proposed in this communication. The …

The advancement of terahertz (THz) technology hinges on the progress made in the
development of efficient sources capable of generating and shaping the THz emission …