A semiconducting structure absorbs mechanical energy provided by ultrasound excitation, with the erbium oxide providing a light emission.

German scientists investigate a new photonic process by overlapping ultrashort pulses of soft X-rays and infrared radiation in a single crystal of lithium fluoride.

Two scientists from UK and Mexico present new opportunities of diversified non-separable states of light for both fundamental science and applications in the near future.

Precise polarizers in the X-ray range provide a good tool to detect the vacuum birefringence.

New optical device creates VUV light used in semiconductor manufacturing, photochemistry and materials science.

As the density of charge carriers increases, it linearly narrows the energy gap that electrons need to vault.

Optical vortex crystals will have impact on fields as diverse as microscopy, optical communications and photonics simulations.

Resolving nanostructures smaller than the diffraction limit of light without any dyes or labels.