Supercontinuum generation caught on camera. Credit: Heriot-Watt University Researchers have generated a wide range of colors from a single laser after discovering a new process…
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New chip-based devices contain all the optical components necessary for quantum key distribution. The cost-effective platform is designed to facilitate citywide networks. Credit: Henry Semenenko,…
Using a single lens that is about one-thousandth of an inch thick, researchers have created a camera that does not require focusing. The new lens…
Electron microscopy image of topological photonic crystals in a perforated slab of silicon. The top and bottom crystal structures differ slightly; along the boundary between…
Simple chip powered by quantum dots allows standard microscopes to visualize difficult-to-image biological organisms. Credit: Felice Frankel Simple chip powered by quantum dots allows standard…
Illustration of an integrated micro-ring resonator based low loss optical cavity with semiconductor 2D material on top of the waveguide. Credit: Ipshita Datta and Aseema…
Beams of circularly polarized light (shown as blue spirals) can have two different mirror-image orientations, as shown here. When these beams strike a sheet of…
This is photo of the 5.5 mm diameter micromotor rotor made of specially oriented polymer film, on a pencil tip. Credit: UW Physics, Piotr Wasylczyk…
Laser cooled atom cloud viewed through microscope camera. Credit: University of Otago In a first for quantum physics, University of Otago researchers have “held” individual…
This is an artistic rendering of the terahertz field transmitted by an abstract object. Credit: University of Sussex Terahertz camera uses laser light patterns to…
Conversion (doubling) of light frequency using a nanoresonator. Credit: (left) Anastasia Shalaeva; (right) Koshelev et al. Science The reference particle captured light for a time…
This picture shows three images of titanium hydride. Left: high-angle annular dark-field (HAADF). Middle: the new technique described in the paper, showing both titanium and…
Two photons are entangled, one in polarization and the other in orbital angular momentum — twisted light. By passing the polarization photon through the fiber…
Claudia Gollner and the laser system at TU Wien. Credit: TU Wien A new, extremely efficient source of terahertz radiation has been developed at TU…
Former Rice University graduate student Xinwei Li in 2016 with the terahertz spectrometer he later used to measure entanglement in the conduction electrons flowing through…
Researchers used deep learning to create a new laser-based system that can image around corners in real time. The systems might one day let self-driving…
Let there be light — and it was directional: The world’s first electrically powered Yagi-Uda antenna was built at the University of Würzburg’s Department of…
The scheme of the experiment — circular polarization of light (marked in red and blue) transmitted through a cavity filled with liquid crystal depending on…
This is an illustration of how electrons can be imagined to move between two arms of a metallic nanoantenna, driven by a single-cycle light wave.…
Researchers used femtosecond lasers to analyze a perovskite solar cell. Credit: NTU Singapore Scientists from Nanyang Technological University, Singapore (NTU Singapore) in a collaboration with…