Photonic Chip with Three Components

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

How to Improve Optical Tweezers

A powerful algorithm for microscopic force reconstruction retrieves the force field acting on a Brownian particle

Rogue Waves of Light

An algorithm picks out features in the spectra that could predict the emergence of a rogue wave

Brief Reflections from a Plasma Mirror

Plasmas consisting of relativistic electrons are used to generate highly intense attosecond laser pulses

First Lens for Extreme-Ultraviolet Light

A jet of atoms provides novel opportunities for the imaging of biological samples

Waveguides Widen Light Beams

A highly efficient converter enlarges the diameter of a light beam by 400 times

Inkjet Printers Produce Cheap Waveguides

A micro-waveguide core is printed with titanium dioxide nanoparticles for a high refractive index

Controlling Light with AI

New photonic chip to prepare and manipulate patterns of femtosecond optical pulses

Microwaves for the Last Mile

New light modulator is completely independent of external power supplies

A Chip-Based Nonmechanical Beam Steerer

The new devices provide steering in two dimensions without relying on moving parts