Astronomers have uncovered a hidden cosmic web of galaxies and gas by mapping hydrogen light from the early universe.

While the world sprints toward ever faster mobile speeds, another connectivity story is quietly unfolding at the opposite end ...

Physicists at the University of Colorado Boulder have demonstrated a new kind of vacuum ultraviolet laser that is 100 to 1,000 times more efficient than existing technologies of its kind. The ...

Huawei unveiled and demonstrated its single-wavelength 2T ultra-high-speed solution in the optical transmission domain.

Abstract: GaAs-based semiconductor lasers with emission wavelengths around 626 nm, 725 nm and 1180 nm are challenging due to the necessary strain in the quantum well region. However, there is a lively ...

Blue lasers with surface gratings are delivering quantum precision from millimetre footprints. The visible spectrum is an exciting frontier for laser diode technology. Here emerging applications exist ...

By analyzing the data from various space observatories and ground-based telescopes, European astronomers have performed a ...

Astronomers have created the largest and most detailed 3D map yet of a glowing signal from the early universe, revealing hidden galaxies and gas from 9-11 billion years ago. By analyzing faint ...