Direction of arrival (DoA) estimation is a key research focus in array signal processing, and
numerous progressive direction-finding algorithms have already been developed. In terms …

Long-wave infrared (LWIR) imaging, or thermal imaging, is widely applied in night vision
and security monitoring. However, the widespread use of LWIR imagers is impeded by their …

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 …

Space-time modulation of electromagnetic parameters offers novel exciting possibilities for
advanced field manipulations. In this study, we explore wave scattering from a time-varying …

Optical edge detection is a crucial optical analog computing method in fundamental artificial
intelligence, machine vision, and image recognition, owing to its advantages of parallel …

Mechanically controlled reconfigurable electromagnetic metamaterials that can dynamically
modulate their electromagnetic properties by simple mechanical compression/stretch hold …

Dielectric metasurfaces have emerged as an unprecedented platform for precise wavefront
manipulation at subwavelength scales with nearly zero loss. When aiming at dynamic …

Quantitative optical phase information provides an alternative method to observe biomedical
properties, where conventional phase imaging fails. Phase retrieval typically requires …

The process of sorting light based on colors (photon energy) is a prerequisite in broadband
optical systems, typically achieved in the form of guiding incoming signals through a …