A leaky-wave hologram that can displace four distinct images simultaneously: two at the device plane (at two orthogonal polarization states) and another two at a distance in the free space ...

Leaky-wave antennas (LWAs) represent a fascinating class of radiating structures that utilise travelling waves whose energy gradually leaks along the antenna’s length, thereby producing highly ...

Researchers at Columbia Engineering have developed a new class of integrated photonic devices—"leaky-wave metasurfaces"—that can convert light initially confined in an optical waveguide to an ...