Light from Exotic Particle States

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

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

Shape-Shifting Mirrors

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

Record Efficiency for Perovskite-Based LED

Rational molecular passivation is responsible for high-performance in the near-infrared

On-Chip Tunable Frequency Comb

New integrated electro-optic comb generator in a thin-film lithium niobate photonic platform

The Taming of the Light Screw

Scientists create high-order harmonics from solids with controlled polarization states

Heading Towards a Tsunami of Light

Ultra-intense light pulses consist of the motion of a single wave to study interactions between matter and light