The growing maturity of nanofabrication has ushered massive sophisticated optical
structures available on a photonic chip. The integration of subwavelength-structured …

Metasurfaces have been continuously garnering attention in both scientific and industrial
fields, owing to their unprecedented wavefront manipulation capabilities using arranged …

Augmented reality (AR) display, which superimposes virtual images on ambient scene, can
visually blend the physical world and the digital world and thus opens a new vista for human …

Metasurfaces, with extremely exotic capabilities to manipulate electromagnetic (EM) waves,
have derived a plethora of advanced metadevices with intriguing functionalities …

Exquisite polarization control using optical metasurfaces has attracted considerable
attention thanks to their ability to manipulate multichannel independent wavefronts with …

The exploit of on‐chip metasurfaces with full optical controllability and multiplexing
capability holds great promise for photonic integration circuits (PIC). Despite previous …

Integrated-resonant units (IRUs), associating various meta-atoms, resonant modes, and
functionalities into one supercell, have been promising candidates for tailoring composite …

We show that a metasurface-coated two-dimensional (2D) slab waveguide enables the
generation of arbitrary complex light fields by combining the extreme versatility and freedom …

Parallel multi-thread processing in advanced intelligent processors is the core to realize
high-speed and high-capacity signal processing systems. Optical neural network (ONN) has …

Herein, we have discussed three major methods which have been generally employed for
the generation of optical beams with orbital angular momentum (OAM). These methods …