Record-breaking Terahertz Laser Beam

In an extremely efficient source of terahertz radiation, lasers turn air into plasma, thereby producing terahertz rays

Further Step to Quantum Dot Lasers

A quantum dot LED also operates as an optically pumped laser

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

A Frequency Doubler Controlled by Light

Laser pulse creates frequency doubling in amorphous dielectric material

A New Near-Infrared Perovskite LED

Highly efficient, large-area and flexible near-infrared light-emitting diodes for new wearable device technologies

On-Chip Light Source Produces Range of Wavelengths

Silicon-based device may enable variety of photonic applications

Quantum Dot Lasers Closer to Electric-Pumping

New possibilities for controlling exciton recombination dynamics and achieving electrically pumped CQD lasers

New Materials for Sustainable Lasers

A monolayer coating of siloxane molecules anchored to the surface improves power consumption of lasers.

Looking on Attosecond Electron Motions with an X-Ray Laser

New method will provide sharp views of electrons in chemical processes that drive crucial aspects of life