A research team in China has built a quantum dot device that produces photon pairs with record-setting purity, achieving a two-photon fraction of 0.983(1). The work, published in Nature Materials, ...

Over the past decade, researchers have become good at creating devices that emit single ...

Optical feedback from on-chip components fundamentally limits stable laser operation in photonic integrated circuits. In a ...

Researchers decoded the synthesis mechanism of heavy-metal-free CuInS2 quantum dots and built a photoelectrochemical device ...

Controlling light with light is a long-sought goal for computing and communication technologies. Achieving this capability ...

Rydberg atoms are atoms with one or more outer electrons excited to very high energy levels, which interact very strongly with each other. These atoms are widely used to run quantum simulations and ...

Crystal jellyfish have an eerie beauty: thanks to a natural protein, they emit a faint green glow. For decades, researchers ...