A Perfect Gain Medium for Lasers

Weyl semimetals could suppress Auger recombinations for new types of long-wavelength lasers

Simple Color Tuning of LED Bulbs

Tuning the color of a GaN LED by changing the time sequence at which the operation current is provided to the device

Array with 50,000 Photonic Switches

Largest, fastest array of microscopic “traffic cops” to speed up optical communications

Light from Exotic Particle States

A new type of light-emitting diode uses emission from the radiative decay of exciton complexes

Mass Manufacturing of Metasurfaces

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

Chirality Yields Colossal Photocurrent

Unique Weyl semimetal delivers largest intrinsic conversion of light to electricity

Repulsive Photons

Manipulating photons inside a semiconductor material to make them repel each other

High Potential of Thin-Film PV

New white paper shows thin-film PV as key technology to drive global energy transition

Extremely Efficient Thin-Film Tandem Cell

Prototype of the new solar cell is made of perovskite and CIGSe semiconductors

Flexible Dielectric Glass Metasurfaces

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