Silicon photonics has developed into a mainstream technology driven by advances in
optical communications. The current generation has led to a proliferation of integrated …

Abstract Three-dimensional (3D) imaging sensors allow machines to perceive, map and
interact with the surrounding world. The size of light detection and ranging (LiDAR) devices …

The rising demand for high scanning accuracy and resolution in sensors for self-driving
vehicles has led to the rapid development of parallelization in light detection and ranging …

In optical communication systems, fibre nonlinearity is the major obstacle in increasing the
transmission capacity. Typically, digital signal processing techniques and hardware are …

Silicon photonics has recently expanded its applications to delivering free-space emissions
for detecting or manipulating external objects. The most notable example is the silicon …

Optical chaos is vital for various applications such as private communication, encryption, anti-
interference sensing, and reinforcement learning. Chaotic microcombs have emerged as …

Harnessing the full complexity of optical fields requires the complete control of all degrees of
freedom within a region of space and time—an open goal for present-day spatial light …

Optical phased array (OPA) technology is considered a promising solution for solid-state
beam steering to supersede the traditional mechanical beam steering. As a key component …

We report a LiDAR transmitter incorporating both a hybrid-integrated tunable external cavity
laser and a high-resolution 2-D optical phased array beam-steerer. Widely tunable single …

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