Optical phased arrays (OPAs) implemented in integrated photonic circuits could enable a
variety of 3D sensing, imaging, illumination, and ranging applications, and their …

Light detection and ranging (lidar) has long been used in various applications. Solid-state
beam steering mechanisms are needed for robust lidar systems. Here we propose and …

Large-scale one-dimensional (1D) waveguide surface grating arrays enable smaller
antenna pitches and larger apertures for the OPAs. However, broad wavelength tuning is …

The ability to control and steer optical beams is critical for emerging technologies. Among
these are light detection and ranging (LiDAR), laser display, free space communication, and …

Photonic crystal slow-light gratings fabricated using Si photonics enable high-speed, high-
resolution, and wide field-of-view two-dimensional beam scanning via the thermo-optic …

Imagine if it were possible to create 3D objects in the palm of your hand within seconds
using only a single photonic chip. Although 3D printing has revolutionized the way we create …

With the development of silicon photonics, dense photonic integrated circuits play a
significant role in applications such as light detection and ranging systems, photonic …

A lattice-shifted photonic crystal waveguide (LSPCW) maintains slow light as a guided mode
and works as an optical antenna when a kind of double periodicity is introduced. Selecting …

A SiN-Si dual-layer optical phased array (OPA) chip is designed and fabricated. It combines
the low loss of SiN with the excellent modulation performance of Si, which improves the …

Optical phased arrays (OPAs) are promising beam-steering devices for various applications
such as light detection and ranging, optical projection, free-space optical communication …