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Research & Technology News

Photon Connection Helps Researchers Entangle Large, Distant Objects
KØBENHAVN, Denmark, Oct. 12, 2020 — Researchers at the Niels Bohr Institute at the University of Copenhagen have entangled two very different quantum objects — a mechanical oscillator/vibrating dielectric membrane, and a cloud of atoms with each atom acting as a tiny magnet. The research has potential applications in ultraprecise sensing and quantum communications, as both objects acquired the ability to be entangled physically connecting with photons. Atoms can be useful in processing quantum information, and the
International Collaboration Employs 2D Materials to Engineer Optical Fibers
JENA, Germany, Oct. 9, 2020 — A Jena, Germany-based research team, working with its Australian colleagues, has grown 2D materials directly on optical fibers. The researchers used a technique that involved integrating transition metal dichalcogenides, a 2D material with strong...
Ultrafast UV Photography Achieves Half a Trillion Frames per Second
QUEBEC CITY, Oct. 9, 2020 — A team led by Jinyang Liang of the National Institute of Scientific Research (INRS) has developed an ultrafast camera capable of imaging photons in real time in the UV range. Until now, compressed ultrafast photography (CUP) techniques have been...
Imaging Flow Cytometry and Microscopy Combine to Identify Pollen
LEIPZIG, Germany, Oct. 8, 2020 — Collaborating scientists from the Helmholtz Centre for Environmental Research (UFZ) and the German Centre for Integrative Biodiversity Research (iDiv) developed an image-based particle analysis system, reliant upon laser light and AI, to automate...
Method for Colloidal Diamond Construction Unlocks Long-Coveted and Wide-Ranging Photonic Potential
NEW YORK, Oct. 7, 2020 — Researchers in David Pine’s NYU laboratory have developed and introduced a method for the reliable creation of colloidal diamonds. Using a steric interlock mechanism to spontaneously produce the staggered bonds that make a physical diamond...
Microlens Avoids Cross-Phase Modulation, Allows Live-cell Imaging
THUWAL, Saudi Arabia, Oct. 6, 2020 — King Abdullah University of Science and Technology (KAUST) researchers developed an ultrathin stimulated Raman scattering (SRS) lens that will simplify and improve the quality of molecular-level microscopic analysis by alleviating a prevalent...
Free-space Communication System Virtually Eliminates Receiver Noise
GOTHENBURG, Sweden, Oct. 5, 2020 — A laser-based space communication system developed by researchers at Chalmers University of Technology uses an almost noiseless preamplifier to improve reach and data rates for space communications. The research has implications for technologies...
Princeton AI Tool Will Help Data Set Builders, Users Resolve Image Biases
PRINCETON, N.J., Oct. 5, 2020 — A team of computer scientists at Princeton University’s Visual AI Lab has developed a method to detect biases in sets of images and visual patterns. The method relies on an open-source tool to flag potential and clearly existing biases in...
Remote Sensing Technology Images Groundwater Stores
SAN DIEGO, Oct. 5, 2020 — Researchers at the University of California, San Diego (UC San Diego) are deploying remote sensing technology called InSAR to gain insights into sustainable groundwater in the San Joaquin Valley. The satellite-based InSAR (for “interferometric...
Spherical Laser Resonator Achieves 10M Circulations of Light
HAIFA, Israel, Oct. 2, 2020 — Technion-Israel Institute of Technology researchers have introduced a laser-resonator design inspired by the work of Arthur Ashkin. Created by graduate student Jacob Kher-Alden under the supervision of Tal Carmon, associate professor and head of the...
Extreme UV Source Facility Opens for Use
TOKYO, Oct. 1, 2020 — University of Tokyo researchers have established a high-frequency laser source facility located at the university that enables investigation of time-dependent phenomena such as ultrafast chemical reactions and fast-acting biological processes. The...
3D Mapping of Finger Veins Points to Uncrackable Security
BUFFALO, N.Y., Sept. 30, 2020 — An optical biometric authentication tool using photoacoustic tomography to map a subject’s finger veins in 3D could provide a nearly uncrackable security method. Researchers at SUNY Buffalo developed the biometric authentication technique....
Chemical System Collects, Stores Solar Energy on Molecule for 14 Hours
JENA, Germany, Sept. 29, 2020 — Researchers from the Leibniz Institute of Photonic Technology (Leibniz IPHT) and Friedrich Schiller University have developed a copper complex-based chemical system for molecularly storing solar energy for at least 14 hours. The system decouples...
System Captures 3D Images of Internal Defects in Solid Structures
SENDAI, Japan, Sept. 29, 2020 — A system developed by researchers at Tohoku University captures 3D images enabling the detection of defects in metallic structures. The technology, called the piezoelectric and laser ultrasonic system (PLUS), combines the strengths of two different...
Lateral Scan Technologies Spur Optical Design, Enable Microscope to Accelerate Laser Focusing Speed
DALLAS, Sept. 28, 2020 — To overcome the limitations of high-speed volumetric imaging due to slow axial scanning rates or aberrations introduced by the z-scanning mechanism, scientists at UT Southwestern have introduced a novel optical design that transforms a lateral scan...
Single Microendoscope Acquires Photoacoustic, Fluorescent Images
GRENOBLE, France, Sept. 28, 2020 — An endoscope that combines photoacoustic and fluorescence imaging and that is about as thick as a human hair could one day provide insight into the brain by enabling the simultaneous measurement of blood dynamics and neuronal activity. The...
Verifying Whisky’s Authenticity Without Spilling a Drop
ST. ANDREWS, Scotland, Sept. 25, 2020 — According to a study by the European Union’s Intellectual Property Office, counterfeit drinks cost the U.K. economy more than £200 million in lost revenue. To prevent that, researchers from the University of St. Andrews have developed a...
Controlling Ultrastrong Light-Matter Coupling at Room Temperature
GOTHENBURG, Sweden, Sept. 25, 2020 — The interaction between light and electrons in a system composed of two gold mirrors separated by a small distance and plasmonic gold nanorods produced ultrastrong coupling between light and matter at room temperature. The work stems from an...
Shaping Light-Activated Nanocatalysts
HOUSTON, Sept. 25, 2020 — A comparative study from Rice University researchers in the college’s Laboratory for Nanophotonics (LANP) demonstrated how the shape of nanoparticles affects their ability to drive light-activated reactions. The work is part of LANP’s...
‘Firefly’ Imaging Technique Sheds Light on Molecular Forces
ATLANTA, Sept. 24, 2020 — Using tools made of luminescent DNA, researchers at Emory University have visualized the mechanical forces of cells at the molecular level. The researchers demonstrated the technique on human blood platelets. “Normally, an optical microscope...
High-Spatial-Resolution Camera Achieves 15 Trillion Frames per Second
SHENZHEN, China, Sept. 24, 2020 — An all-optical ultrafast imaging system developed by scientists at Shenzhen University has reached 15 trillion frames per second. The system is useful for visualizing ultrafast phenomena such as femtosecond laser ablation, ignition for nuclear...
Flexible Parylene Waveguide Operates Over Broad Spectrum
PITTSBURGH, Sept. 23, 2020 — A parylene-based waveguide has the physical characteristics necessary to enable it to emerge as the new standard in optical biointerfaces. Researchers at Carnegie Mellon University developed the highly flexible waveguide, which can additionally...
Fisheye Metalens Captures 180 Degree Panoramic Images
CAMBRIDGE, Mass., Sept. 23, 2020 — Researchers at MIT and the University of Massachusetts Lowell have developed a wide-angle metalens capable of producing 180° panoramic images. The design could be adapted for a wide range of applications, such as in smartphones and laptops,...
Low-light Photodetector Senses Shades from UV to NIR
MELBOURNE, Australia, Sept. 23, 2020 — Researchers at RMIT University (Australia) introduced a hyper-efficient broadband photodetector capable of imaging all shades of light between the UV and near-infrared ranges and is at least 1000× thinner than existing commercially available...
Plasma Scattering Microscopy Allows Precise Imaging of Individual Proteins
TEMPE, Ariz., Sept. 22, 2020 — Researchers at Arizona State University have developed a microscopy technique that harnesses surface plasmon resonance (SPR) to enable precision imaging of individual proteins. SPR has been used to investigate the interactions of bacteria and...

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