Dual Frequency Comb on a Chip

Approach could lead to low-cost, portable sensing and spectroscopy in the field in real time

A Spinning Top of Light

Light pulses for attosecond measurements of chiral-sensitive processes in gas and condensed phase

A Topological Insulator Laser

Lasing mode exhibits topologically-protected transport without magnetic fields

Doubling Frequency of Transportable Lasers

New system showed 130 h uninterrupted operation without decay in output power at 313 nm

Quantum Dots Amplify Light

Light amplification with electrically stimulated quantum dots is a critical step towards solution-processible laser diodes

Organic Diode Lasers One Step Closer

Perovskites have emerged as promising gain media for tunable, solution-processed semiconductor lasers

Light Pulses Control Neuron Activity

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

The World’s Shortest Laser Pulse

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

World’s First 3D-Mode-Locked Laser

Locking of multiple transverse and longitudinal modes to create ultrashort pulses

Giant Optical Gain in Erbium-Based Nanowire

Significant increase will make it possible for erbium-based materials to be integrated on a chip for optical amplifiers and lasers