Light detection and ranging (LiDAR) technology, a laser-based imaging technique for
accurate distance measurement, is considered one of the most crucial sensor technologies …

Integrated optical phased arrays can be used for beam shaping and steering with a small
footprint, lightweight, high mechanical stability, low price, and high-yield, benefiting from the …

We present recent advancements of optical phased array LiDAR with record-performance
system demonstrations. First, we give an overview of the technology and how it combines …

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 arrays (OPAs), the optical counterpart of phased arrays at radio frequencies,
can electronically steer an optical beam without any moving parts. To achieve a 180° field of …

Photonic technologies offer numerous functionalities that can be used to realize
astrophotonic instruments. The most spectacular example to date is the ESO Gravity …

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 …

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 …

Laser beam scanning is central to many applications, including displays, microscopy, three-
dimensional mapping, and quantum information. Reducing the scanners to microchip form …