Researchers have found a way to use light and a single electron to communicate with a cloud of quantum bits and sense their behavior, making…
Posts published in “Optics”
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A close-up depiction of the new fiber-free optical WiFi antenna. Silver nanocubes are spaced just a few nanometers above a silver base, with fluorescent dyes…
Illustration of a pair of silicon high contrast gratings that can be used to guide visible light on a chip with low losses despite large…
Water droplet contact angle dramatically increases lasing emissions, from Qiao et al., doi 10.1117/1.AP.3.1.016003. Credit: Qiao et al. Lasing mechanism at the surface of water…
An optically excited gas of electronic carriers confined to the planes of the layered van-der Waals semiconductor tungsten diselenide is shown. The consequent hyperbolic response…
An artist impression of X-rays (purple) emitted from the new type of X-ray source, where a layered structure which guides the beam is bombarded by…
Researchers developed a way to use overhead LED lighting and a smartphone to create 3D images of a small figurine. Credit: Emma Le Francois, University…
Michelson holography shows significant improvements in image quality, contrast, and speckle reduction compared with all other conventional methods, such as Naïve SGD. Credit: Jonghyun Kim,…
An illustration of the chain-reaction process that underlies the photon avalanching mechanism Columbia Engineering researchers have realized in their nanoparticles. In this process, the absorption…
The odd, wavy pattern that results from viewing certain phone or computer screens through polarized glasses has led researchers to take a step toward thinner,…
There are three modules in the experiment: state preparation, evolution, and measurement. Credit: HOU Zhibo et al. Real-life applications like magnetometry or quantum gyroscope typically…
Credit: Caltech There are things in life that can be predicted reasonably well. The tides rise and fall. The moon waxes and wanes. A billiard…
(a) Illustration of the structure of a nanodiamond quantum sensor coated with a pyrogenic polymer, and how it operates as a hybrid nanoheater/thermometer. (b) Electron…
Concept for Exawatt-class lasers. Credit: Osaka University Researchers from Osaka University propose a concept for next-generation ultra-intense lasers, possibly increasing the current record from 10…
An illustration of the chain-reaction process that underlies the photon avalanching mechanism Columbia Engineering researchers have realized in their nanoparticles. In this process, the absorption…
Schematic representation of a processor for matrix multiplications which runs on light. Together with an optical frequency comb, the waveguide crossbar array permits highly parallel…
Schematic representation of a processor for matrix multiplications which runs on light. Credit: University of Oxford The exponential growth of data traffic in our digital…
2D arrangement of 44,400 light stopwatches enables scan-less fluorescence lifetime imaging. Credit: Tokushima University Comb of a Lifetime: A New Method for Fluorescence Microscopy Fluorescence…
Researchers at the University of Tokyo have found a way to enhance the sensitivity of existing quantitative phase imaging so that all structures inside living…
UV fluorescence examination. Credit: The authors Analyses of the materials in the scrolls helps put the object into a historical context and guides conservators in…