Terahertz modulators play a critical role in high-speed wireless communication, non-
destructive imaging, and so on, which have attracted a large amount of research interest …

Janus metasurfaces, exemplifying two‐faced 2D metamaterials, have shown unprecedented
capabilities in asymmetrically manipulating the wavefront of electromagnetic waves in both …

Measurement of the relative positions of two objects in three dimensions with sub-
nanometer precision is essential to fundamental physics experiments and applications such …

Metasurfaces have great advantages in the field of laser detection because of their ability to
generate large amounts of point sources or various diffraction patterns. Here, cascaded …

Metasurfaces, as 2D artificial electromagnetic materials, play a pivotal role in manipulating
electromagnetic waves by controlling their amplitude, phase, and polarization. Achieving …

Metasurfaces with tunable functionalities are greatly desired for modern optical system and
various applications. To increase the operating channels of polarization-multiplexed …

Diffractive optical elements (DOEs) are engineered to manipulate light through diffraction,
leveraging their micro-or nano-structured surfaces to generate specific spectral …

We numerically demonstrate the inverse design of a structure for free-space beam steering,
based on twisted bilayer photonic crystal slabs. The structure consists of two photonic crystal …

Quantitative phase imaging (QPI) enables nondestructive, real-time, label-free imaging of
transparent specimens and can reveal information about their fundamental properties such …

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 …