High-Quality Single Photons for Quantum Computing

New dual-cavity design emits more single photons at room temperature

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 Sensor for Photons

New kind of sensor measures light particles non-destructively

Peering into Plasma Mirrors

Refined generation of high-intensity attosecond light pulses on solid surfaces

Quantum Distillery for Light

Munich physicists develop a technique to extract pure single photons

New Super-Accurate Optical Atomic Clock

Progress towards an optically defined second could improve advanced communication and the search for new physics

Photons for Stronger Cyber Security

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

Repulsive Photons

Manipulating photons inside a semiconductor material to make them repel each other

Quantum Optical Microcombs

New device could be an important component of quantum computer systems