New Way to Generate Ultra-Short Bursts of Light

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

GeSn Lasers With Broad Wavelength Coverage

The prototype shows a major advance toward Si-based mid-infrared laser sources for integrated photonics

Stopping Electrons With Light

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

Trumpf Acquires Laser Manufacturer

Amphos know-how to boost technological expertise in ultrashort-pulsed lasers for manufacturing and research

A Topological Insulator Laser

Lasing mode exhibits topologically-protected transport without magnetic fields

New Model of Frequency Combs

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

Tuning Liquid-Crystal-Lasers

Lasing can be reversibly switched from the short-wavelength to the long-wavelength edge mode by applying a voltage

3-D Projection Into Thin Air

New kind of a volumetric display shows detailed 3D-images with the help of an optical particle-trap

Fundamental Limit of Blue LEDs

Core mechanism limits the indium content in indium gallium nitride thin films – the key material for blue light emitting diodes

Doubling Frequency of Transportable Lasers

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