Focus-Free Camera with a New Flat Lens

New technology poised to drastically reduce weight, complexity and cost of cameras while increasing functionality

Metamaterials for Analog Image Processing

A new filter differentiates the incoming light directly to image the edges of the object

Nanoslits for Valleytronics

2D material can emit light with valley-dependent circular polarization

Metasurface Reflects Light Only in One Direction

A first optical metasurface with controllable ultrafast time-varying properties breaking optical reciprocity

Metasurface with Helical Patterns

New device can control optical fields in three dimensions

Ultra-Thin Optical Devices Directly Measure Polarization

Holograms made with metasurfaces could enable fast, compact polarization measurements for spectroscopy

Sculpting Super-Fast Light Pulses

A metasurface with nanopillars shapes light precisely for practical applications

Mass Manufacturing of Metasurfaces

Advanced display technologies based on nanostructures could be mass manufactured with techniques from the semiconductor electronics industry

A Time-Reversed Laser

A metamaterial designed to absorb all light of a specific color demands the waves be synchronized as well

Flexible Dielectric Glass Metasurfaces

The new production method employs a natural process already used in fluid mechanics