A broad range of optical devices use nanostructured layers and surfaces to manipulate beams of light through diffraction and interference. Example devices include diffraction gratings, metasurfaces, ...

Researchers have developed a novel “Janus meta-imager” that uses diffractive neural networks to asymmetrically transmit and ...

Researchers at the University of California, Los Angeles (UCLA) have developed an optical computing framework that performs large-scale nonlinear computations using linear materials. Subscribe to our ...

Multispectral imaging has fueled major advances in various fields, including environmental monitoring, astronomy, agricultural sciences, biomedicine, medical diagnostics and food quality control. The ...

Team led by Aydogan Ozcan presents reconfigurable optical network for multi- dimensional functions. Artistic depiction of a diffractive optical processor. Engineers at the University of California, ...

A research team led by Professor Junsuk Rho at POSTECH (Pohang University of Science and Technology) has developed a secure hologram platform that operates solely based on the wavelength of light and ...

State-of-the-art neural networks depend on linear operations, such as matrix-vector multiplications and convolutions. While dedicated processors like GPUs and TPUs exist for these operations, they ...

A research team at the Pohang University of Science and Technology (POSTECH) has unveiled a physical encryption platform that could potentially change the security architecture of optical ...

A team of researchers from Peking University, Beijing Institute of Technology, and the Chinese Academy of Sciences has developed a new optical device ...