Lights On for Silicon Photonics

Demonstration of electroluminescence at terahertz frequencies from a silicon-germanium device

Luminescent Wood Could Light Up Homes

A bio-based, polymer matrix-free, luminescent, and hydrophobic film shows excellent mechanical properties for optical lighting purposes

Optical Wiring for Quantum Computers

New hardware offers a route to practical parallelization for high-fidelity quantum processors

Microspheres for Broadband Frequency-Doubling

New material made of disordered nanocrystals could be used in lasers and other light technologies

Fast Laser Produces Coherent Soft X-​Rays

New approach should enable studies in the biological, chemical and material sciences

A Momentous View on the Birth of Photoelectrons

The first sub-femtosecond study of the linear photon momentum transfer during an ionisation

Nanohighway for Light

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

A Sub-Picosecond Thin-Disk Laser Oscillator

Lasers achieved an average output power of 350 W, with pulses that are only 940 femtoseconds long

Deep Learning Improves Biomedical Imaging

Artificial intelligence improves quality of images recorded by a relatively new biomedical imaging method

Coin-Sized Infrared Spectrometer

New device makes use of special waveguides with an optical refractive index that can be adjusted externally via an electric field