Zoey Hu, Dahyeon Lee and Ben Lewis, who are holding replicas of an optical laser cavity. (Courtesy: R Jacobson/NIST) There ...

A crater that never sees sunlight might sound like the wrong place to build delicate scientific equipment. Jun Ye sees it ...

Simulating the nonlinear optical physics that underlies ultrafast laser systems is computationally demanding—a practical ...

Scientists have finally figured out how mysterious “breather” laser pulses work, solving a puzzle that has frustrated laser ...

This focus issue explores some of the latest research in optics and lasers. It includes a report from the UK research centre that is driving a new approach to quantum computing based on integrated ...

Scientists have shown that sunlight alone can generate quantum-correlated photons capable of producing “ghost images,” a feat ...

They rank among the darkest and coldest places in the solar system: Hundreds of lunar craters, many of them at the moon's south pole, never receive direct sunlight and lie in permanent shadow. That's ...

To unlock materials of the future, including better photocatalysts or light-switchable superconductors, researchers need to understand how the valence electrons within materials respond to light at ...

Near-infrared light is invisible to humans. And yet, under the right conditions, the human eye can perceive it. Researchers ...

The Department of Physics and Astronomy at the University of Delaware is a vibrant hub of scientific inquiry, encompassing a diverse range of research areas that push the boundaries of human ...