Light from Exotic Particle States

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

New Form of a Laser for Sound

New approach for a phonon laser could lead to breakthroughs in sensing and information processing

Bionic Metamaterials with Novel Optical Properties

3D-printing of a moth eye-inspired omnidirectional microwave antenna

New Super-Accurate Optical Atomic Clock

Progress towards an optically defined second could improve advanced communication and the search for new physics

Shortest Ultraviolet Laser Pulse Ever

Generation of few-cycle deep ultraviolet pulses via frequency upconversion of 5-fs near-infrared pulses in argon

Ghost Imaging with FELs

New method could make it easier to study interactions of ultrabright X-rays with matter

A Microlaser Emitting Helical Light

A microlaser based on a novel design allows emitting light in chiral modes, thus producing corkscrews of light

Boosting Intensity of Nanowire LEDs

UV-LEDs with a special type of shell produce five times higher light intensity than comparable LEDs

Photons for Stronger Cyber Security

A new trick keeps the entangled photons in sync as they travel different paths through a network

Shape-Shifting Mirrors

Researchers develop a glue-free mirror that can be used in vacuum chambers