Terahertz Lasers Become Hot

First realization of a terahertz quantum cascade laser operating without cryogenic cooling

Laser Pulses Shaped Like a Corkscrew

Simulations show how to use these corkscrew shaped laser pulses to do cutting-edge research

Infrared Frequency Comb Measures Biological Signatures

New approach unites a compact source of phase-stable, single-cycle, mid-infrared pulses with room temperature electric field

Nanolasers on Silicon

Tiny light-emitting nanolasers can be integrated into silicon chip design

Organic Laser Diodes Move from Dream to Reality

Thorough characterization demonstrates lasing by direct electrical stimulation of an organic film is possible

A Perfect Gain Medium for Lasers

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

On-Chip Tunable Frequency Comb

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

Printed Nanolasers from Perovskites

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

Laser Cavity-Soliton Microcombs

New technology brings a clock that could replace GPS and Galileo one step closer

Astrocombs for Planet-Hunting Telescopes

New tool for discovery and characterization of exoplanets around nearby stars