Light Pulses Control Neuron Activity

Controlling firing pattern of neurons by manipulating the phase of the spectral components of the light

Giant LEAPS for Photon Sources

European consortium of light sources used for research launched in Brussels

The World’s Shortest Laser Pulse

Researchers succeeded in shortening the pulse duration of an X‑ray laser to only 43 attoseconds

Random Lasing in an Optical Fiber

A disorder induced localized states form isolated local channels to make the output laser beam highly directional

New Method to Create Gamma Rays

A cloud of trapped particles converts laser energy into cascades of high energy photons

Bridging the Terahertz Gap

Optical frequency comb offers a convenient way to generate elusive terahertz frequencies

Plasmons for Nanoscale Lasers

Visible-frequency lasing by leveraging surface plasmons propagating in an open Fabry-Perot cavity

A Zero-Index Waveguide

Silicon waveguides support phase-free propagation in the telecom regime

World’s First 3D-Mode-Locked Laser

Locking of multiple transverse and longitudinal modes to create ultrashort pulses

High Harmonics in Bulk Materials

Better control of one of the most important physical processes for generating high-energy photons