Quantum Light in Thin Layers

A very special kind of light is emitted by tungsten diselenide layers and now explained.

Light from Exotic Particle States

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

Anti-Laser as Perfect Absorber

Complicated structures in two or three dimensions can perfectly absorb a specially tailored wave

Frequency Combs for Microchip-Size Chemical Sensors

New technology produces laser frequencies in a much easier and more robust way than before.

Ultramicroscopy of Transparent Flies

Cellular microscopy makes individual nerve cells, marked with fluorescent molecules, visible

Absolute Duration of the Photoelectric Effect

The photoemission from the tungsten conduction band can proceed faster than previously anticipated

Shaping of Terahertz Beams

3D-printing opens up a new way of constructing affordable custom terahertz components

New Deadly-Bacteria Detector

Photonic-ultrasound-based detector that provides a diagnosis for pathogenic germs in drinking water.