Self-Torque – A New Property of Light

Generation of optical vortices in the EUV by adjusting the temporal separation of two infrared vortex beams

Infrared Frequency Comb Measures Biological Signatures

New approach unites a compact source of phase-stable, single-cycle, mid-infrared pulses with room temperature electric field

Sculpting Super-Fast Light Pulses

A metasurface with nanopillars shapes light precisely for practical applications

New Super-Accurate Optical Atomic Clock

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

Boosting Intensity of Nanowire LEDs

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

Entangling Photons of Different Colors

New approach for a novel chip-based device for quantum communication

Astrocombs for Planet-Hunting Telescopes

New tool for discovery and characterization of exoplanets around nearby stars

Waveguides Widen Light Beams

A highly efficient converter enlarges the diameter of a light beam by 400 times

New Method for Ultrafast Laser Pulses

The electro-optic modulation techniques can operate at much higher repetition rates than mode-locked lasers

Smart Mirror for a Radiation-Pressure Power Meter

New chip-sized device could help manufacturers measure laser power in real time.