All-Fiber Device Simplifies Quantum Key Distribution

Robust encoder switches polarization one billion times a second

Light Dynamically Twists an Electron’s Wave Function

Ultrafast vortex electron beams can be used to encode and manipulate quantum information

Quantum Distillery for Light

Munich physicists develop a technique to extract pure single photons

Photons for Stronger Cyber Security

A new trick keeps the entangled photons in sync as they travel different paths through a network

Quantum Optical Microcombs

New device could be an important component of quantum computer systems

Entangling Photons of Different Colors

New approach for a novel chip-based device for quantum communication

Flying Optical Cats for Quantum Communication

Implementation of Schrödinger’s paradoxical experiment employing an entangled atom-light state

Superhighway for the Quantum Internet

New concept for the inline measurement of spatially encoded multiphoton quantum states

Programming Light on a Chip

New approach for photonic quantum information processing and optical signal processing

Photonic Chip with Three Components

New device combines quantum dots as single-photon sources, a beamsplitter and two single-photon detectors