Lasers Aim to Replace Scalpels

Instead of using dyes, the new biopsy technique uses pulses of laser light to image a sample

A Perfect Gain Medium for Lasers

Weyl semimetals could suppress Auger recombinations for new types of long-wavelength lasers

New Form of a Laser for Sound

New approach for a phonon laser could lead to breakthroughs in sensing and information processing

New Super-Accurate Optical Atomic Clock

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

Shortest Ultraviolet Laser Pulse Ever

Generation of few-cycle deep ultraviolet pulses via frequency upconversion of 5-fs near-infrared pulses in argon

Ghost Imaging with FELs

New method could make it easier to study interactions of ultrabright X-rays with matter

A Microlaser Emitting Helical Light

A microlaser based on a novel design allows emitting light in chiral modes, thus producing corkscrews of light

On-Chip Tunable Frequency Comb

New integrated electro-optic comb generator in a thin-film lithium niobate photonic platform

Heading Towards a Tsunami of Light

Ultra-intense light pulses consist of the motion of a single wave to study interactions between matter and light

Printed Nanolasers from Perovskites

Direct writing of fully integrated coherent light sources for advanced photonic and optoelectronic circuitry