Molecules Brilliantly Illuminated

A new high-power laser system generates ultrashort pulses covering a large share of the mid-infrared spectrum.

Writing and Deleting Magnets With Lasers

Short laser pulses reversibly switch ferromagnetic ordering by exploiting a chemical order–disorder phase transition

High Impact of Ultrafast Physics

The use of light to direct electron flows may lead to a new era of optoelectronics

PICs With Lower Bend Loss

New method in writing of three-dimensional optical waveguides with femtosecond laser pulses

Attoseconds Break Into Atomic Interior

New laser technology to generate attosecond bursts of high-energy photons of unprecedented intensity

A Spinning Top of Light

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

New Way to Generate Ultra-Short Bursts of Light

The formation of temporal simultons produces stable femtosecond half-harmonic pulses

Stopping Electrons With Light

Researchers created a radiation reaction by colliding an intense laser beam with a high-energy beam of electrons

New Model of Frequency Combs

Generation of frequency combs in microresonators with simultaneous Raman and Kerr nonlinearities

Looking on Subwavelength-Size Objects With Nanobulbs

Nanoscale white-light source based on a hybrid Si/Au nanoparticle with ultrabroadband spectral characteristics