Quantum cascade lasers are made up of many thin layers of semiconductor. An injected electron makes a small energy transition as it moves from one layer to the next, emitting light on each cascade.

This weekend, the Taylor County Coliseum turns into a treasure trove for firearm and outdoor lovers at the Silver Spur Gun & ...

Carrying a concealed weapon is a serious responsibility that goes beyond simply owning a firearm. It means choosing suitable ...

What did past civilizations leave behind? For archaeologists, that question can be difficult to answer. Remnants of buildings and other sites can be almost impossible to spot. Blame the ravages of ...

Abstract: The real-time dynamics of soliton molecules (bound solitons) have been extensively studied in mode-locked lasers by virtue of the emergence of fast detection techniques. Here, a new type of ...

Fibre lasers are lasers made from thin strands of a light-guiding glass. Atomic or molecular impurities introduced into the fibre when it is formed provide the optically active component, and the ...

Israel is preparing to deploy one of the world’s first combat-ready laser air-defense systems, marking a historic shift in how nations defend against rockets, drones and missiles — and a sign that ...

WYRYKI, Poland—After suspected Russian drones violated NATO airspace in recent weeks, closing airports and rattling citizens, European militaries and governments find themselves in a new era of ...

A scalable technology solution for quantum and automotive applications, delivering custom single frequency sources with unmatched stability. ALISO VIEJO, Calif., October 14, 2025--(BUSINESS ...

Abstract: Ultrafast lasers operating at high repetition rates, in particular the GHz range, enable new possibilities in laser-material processing, particularly accessing the recently demonstrated ...

Protesters battled with police outside an ICE facility in Chicago on Saturday as demonstrators in Oregon hosted a 'laser party' in an attempt to deter federal helicopters from the area. The streets of ...

Tune in to NewsNation’s “Decision Desk 2025” special coverage of nationwide elections Tuesday, live from 7 p.m. to 12 a.m. EST. The special coverage will be hosted by NewsNation’s Chris Cuomo, ...