Nanotechnology Possible Dual-Channel Encryption with Silicon MetasurfacesEditor-In-ChiefMarch 21, 2026 A silicon metasurface uses polarization of light as a key, allowing different encrypted holographic images to be recovered from the…
Nanotechnology Metasurfaces: Bilayer device can control many forms of polarized lightEditor-In-ChiefApril 3, 2025 Almost a decade ago, Harvard engineers unveiled the world’s first visible-spectrum metasurfaces — ultra-thin, flat devices patterned with nanoscale structures…
