Nanotechnology Spotlight – Latest Articles

Showing Spotlights 9 - 16 of 57 in category Metamaterials, Metasurfaces (newest first):

Nanoscale metal structures let thermal photodetectors approach semiconductor speeds

A metasurface-enhanced thermal photodetector achieves 125 picosecond response times, approaching semiconductor speeds without external power or cooling while retaining broad wavelength flexibility.

December 15, 2025

Active thermal metasurfaces make small objects mimic much larger thermal signatures

Active boundary heating and cooling can make a small object look much larger to thermal sensors, a step toward compact thermal camouflage and new ways to steer heat in devices.

December 13, 2025

Metasurfaces trained like neural networks redefine how holograms store information

Layered metasurfaces trained as optical neural networks enable multifunctional holograms and security features, integrating neural computation principles with nanostructured optics to create a versatile new device class.

December 3, 2025

Metamaterials that compute without electronics

An elastic metamaterial can do math by directing motion through tiny pathways, showing how materials might one day handle simple computing tasks without electronics.

November 1, 2025

A reversible geometric transformation in light

Changing light's polarization can reverse the structure of a patterned light field, opening a new way to control geometry and information in optics.

October 22, 2025

Metasurface autonomously redirects electromagnetic waves without external control

Breakthrough metasurface acts like a smart mirror for electromagnetic waves, automatically adapting its reflection without any external control.

June 16, 2025

Liquid crystal-powered metasurfaces enable switchable color displays and security features

New research combines liquid crystals with metallic metasurfaces in a two-layer design, enabling electrically and thermally switchable displays and security features with superior color control.

January 13, 2025

Ultrafast terahertz device achieves multi-state switching for optical computing

A new terahertz device achieves multi-state switching at unprecedented picosecond speeds, paving the way for advances in optical computing and next-generation communication systems.

November 20, 2024