Counting Photons for SI-Standards

New method to measure the detection efficiency of single-photon detectors at wavelengths near 851 nm and 1533.6 nm

On-Chip Light Source Produces Range of Wavelengths

Silicon-based device may enable variety of photonic applications

Nanohighway for Light

Tiny low-energy optical switch rapidly reroutes light in computer chips

Brighter Future for LEDs

NIST Introduces new lamp calibration lab

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