Physicists from Austria and Israel developed a perfect absorber for arbitrary wavefronts.

Holes create different wavelengths that can be used to encode quantum information.

German researchers have entangled two quantum memories over a 33-kilometer long fiber optic connection.

A new review recounts the discovery of holographic interferometry, discusses its development, and itemizes some of its major applications.

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.