A team of researchers at Penn State have devised a new, streamlined approach to designing metasurfaces, a class of engineered ...

Optical vortex beams, characterized by their helical phase fronts and orbital angular momentum (OAM), are pivotal in applications such as high-capacity communication, optical manipulation, and quantum ...

A new publication from Opto-Electronic Advances; DOI 10.29026/oea.2025.240250, discusses on-chip multi-channel near-far field terahertz vortices with parity breaking and active modulation. Vortex ...

Proposed device outlines new paths forward for compact ultra-sensitive optical sensors, multi-band switches with high ...

Researchers have overcome the limitations of existing metasurface technologies and successfully designed a Janus metasurface capable of perfectly controlling asymmetric light transmission. Metasurface ...

Researchers found silica can outperform high-index materials for optical metasurfaces. Its chip-making compatibility enables ...

A chip smaller than one square millimeter stores 160 holographic images at arbitrary 3D coordinates, with each spatial ...

Penn State researchers use large language models to streamline metasurface design, significantly reducing the time and ...

Metasurfaces are two-dimensional (2D), nanoengineered surfaces that interact strongly with electromagnetic waves and can control light with remarkable precision. These ultra-thin layers can be used to ...

A research team at POSTECH has developed a novel multidimensional sampling theory to overcome the limitations of flat optics.