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

Shape-Shifting Mirrors

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

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

Light Scatters Light

The ATLAS Collaboration reports the observation of light-by-light scattering with a significance beyond 8 standard deviations

Levitating Objects with Light

Nanoscale patterning could enable precise manipulation of objects on many scales

Repulsive Photons

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

Iridescent Color from Clear Droplets

Changing the size and shape of the droplets changes the colors they produce

Fractal Light from Lasers

Proof of a 20-year-old prediction that fractals could be recreated by the use of laser technology