The views, information, or opinions expressed in the Industry News RSS feed belong solely to the author and do not necessarily represent those of IDEX Health & Science and its employees.
Article obtained from Photonics RSS Feed.
A University of Delaware (UD) research team has designed an integrated photonics platform using metasurfaces. To limit the loss of data, the team fabricated a high-contrast transmitarray (HCTA)-based metalens on a silicon-based chip programmed with hundreds of tiny air slots to enable on-chip parallel optical signal processing.
The 1D metalens has a numerical aperture up to 2.14, which can focus light to within 10 µm with less than 1 dB loss. Computational tasks based on Fourier transformation (FT) can be performed by cascading multiple layers of the HCTA-based metalenses. To demonstrate FT and spatial differentiation, the researchers layered three metasurfaces together.
The platform is foundry…READ MORE