Modes of propagation through an optical system are generally defined as the eigensolutions
of the wave equation in the system. When propagation occurs through complicated or highly …

Free-space optics naturally offers multiple-channel communications and sensing exploitable
in many applications. The different optical beams will, however, generally be overlapping at …

We present architectures, circuits, and algorithms for dynamic 3-D lensing and focusing of
electromagnetic power in radiative near-and far-field regions by arrays that can be arbitrary …

Optical phased array has become a potentially critical component for beam scanner
benefiting from its advantages in cost, mass production, integration, stability and scanning …

Optical antennas are a fundamental element in optical phased arrays (OPA) and free-space
optical interconnects. An outstanding challenge in optical antenna design lies in achieving …

We propose a 1× 32 silicon photonics transceiver integrated optical phased array (OPA) with
a large scanning angle. It can process receive and transmit signals simultaneously, which …

Silicon photonics in conjunction with complementary metal-oxide-semiconductor (CMOS)
fabrication has greatly enhanced the development of integrated optical phased arrays. This …

Silicon photonics, in conjunction with complementary metal-oxide-semiconductor (CMOS)
fabrication, has greatly enhanced the development of integrated optical phased arrays. This …

A Fourier lens can perform the Fourier transform of an incident wavefront at the focal plane.
This paper reports a metasurface-based Fourier lens fed by compact plasmonic optical …

Surface gratings are key devices on photonic chips to enable a free-space light coupling or
chip interfacing with optical fibers. These elements can be employed in a variety of …