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Research & Technology News
Real-Time Imaging Reveals Flexibility of Crystal Surfaces
KYOTO, Japan, Dec. 6, 2018 — Images taken using an atomic force microscope have enabled researchers from Kyoto University’s Institute for Integrated Cell-Material Sciences (iCeMS) to observe, for the first time, the flexible and dynamic changes that occur on the surfaces of porous coordination polymer (PCP) crystals when biphenyl guest molecules are introduced. The atomic force microscope was formed using a tiny probe at the end of a cantilever. The probe’s movements over the surface of the material were
Colloidal Quantum Dot, IR LEDs Display Highest Efficiency
BARCELONA, Spain, Dec. 5, 2018 — A composite material that is a strong light emitter as well as an efficient charge conductor — colloidal quantum dot (CQD) LEDs — has been developed by a team at the Institute of Photonic Sciences (ICFO). The nanocomposite system comprising IR CQDs...
Optical Cluster States Could Enable One-Way Quantum Computing
QUEBEC CITY, Canada, Dec. 4, 2018 — Using a compact optical platform, a research team at Institut National De La Recherche Scientifique (INRS) has generated a high-dimensional, d-level cluster state and has used it to perform quantum computing operations. According to the researchers,...
Muscle Weakness Measured with Multiphoton Imaging
ERLANGEN, Germany, Dec. 3, 2018 — Scientists at University of Erlangen-Nuremberg (FAU) have engineered an automated, high-precision biomechatronics system into a multiphoton microscope. The system allows isometric calcium ion (Ca2+)-graded force (or passive viscoelasticity...
Gas-Jet Lens Supports Refractive Optics in XUV Domain
BERLIN, Dec. 3, 2018 — A new refractive lens, developed by scientists at the Max Born Institute (MBI), uses a jet of atoms to focus extreme UV (XUV) beams. The atom jet is used in place of glass, which is non-transparent in the XUV spectral region. In spite of a large...
High-Performance Computers Could Advance Application of 3D Holography
CHIBA, Japan, Nov. 30, 2018 — Researchers at Chiba University are developing a computer that can project high-quality 3D electroholography as a video — a project that they began about 25 years ago. The team, led by professor Tomoyoshi Ito, has been working to increase the speed...
Photonic Sensors Withstand Large Doses of Radiation
GAITHERSBURG, Md., Nov. 29, 2018 — Researchers at the National Institute of Standards and Technology (NIST) have identified a class of silicon photonic sensors that could be effective in high-radiation environments because of their ability to withstand radiation doses. Results from...
Leibniz Institute Observes Neuronal Structures with Holography
JENA, Germany, Nov. 29, 2018 — Using a multimode optical fiber as thin as a human hair, scientists at the Leibniz-Institute of Photonic Technology have observed at high resolution the neuronal structures inside deep brain areas of living mice. The researchers drew on holographic...
Wireless-to-Optical Receiver Could Speed Data Transmission Over 'last mile'
ZÜRICH, Nov. 28, 2018 — While light waves sent through optical fibers support fast data transmission, the “last mile,” from the fiber optic cable to the internet socket in your home, can be the most challenging and expensive leg of the journey. In the future a new light...
Researchers Demonstrate Efficiency of Radical-Based OLEDs
CAMBRIDGE, England, Nov. 27, 2018 — Radicals — semiconducting molecules with unpaired electrons — can be used to fabricate highly efficient OLEDs, according to scientists at the University of Cambridge and Jilin University. Using a luminescent radical emitter, the researchers...
New Laser Architecture Taps Coherent Light to Probe and Control Matter
MENLO PARK and STANFORD, Calif., Nov. 26, 2018 — A new laser architecture called the Universal Light Modulator, developed by researchers affiliated with the SLAC National Accelerator Laboratory and Stanford University, uses coherent light to engineer complex light structures for probing and...
REDFINCH Consortium Detects Gas with Light, Sound
GRENOBLE, France, Nov. 26, 2018 — Events such as the Port of Rizhao gas plant explosion in China that killed 173 people and injured hundreds of others in 2015; the explosion at the U.S.’s third largest refinery in Texas City, Texas, in 2005; and the Buncefield oil storage...
Photocatalyst Used to Create a Safe, Sustainable Building Block for New Drugs
ANN ARBOR, Mich., Nov. 26, 2018 — While searching for ways to use visible light to drive chemical reactions, a University of Michigan team found that by using photocatalysis, they could create a safe, inexpensive alternative to anilines, which are used for the development of new...
Researchers Customize Broadband Light Sources Using a Photonic Chip and AI
QUEBEC CITY, Canada, and BRIGHTON, England, Nov. 26, 2018 — Researchers from Institut National de la Recherche Scientifique (INRS) and the University of Sussex have collaborated to create an optical device that uses AI to control the properties of light. Using an actively controlled photonic chip, the...
International University Team Demonstrates New Design for Random Lasers
TAMPERE, Finland, Nov. 20, 2018 — A team of researchers from Tampere University of Technology in Finland, University Roma Tre in Italy, the University of Southampton in the U.K., and Case Western Reserve University in the U.S. has demonstrated a new design for random lasers, where...
Perovskite-Based LEDs Achieve New Efficiency Record
CAMBRIDGE, England, Nov. 7, 2018 — A new efficiency record has been set for perovskite-based LEDs, according to researchers at the University of Cambridge. The researchers showed that by forming a composite layer of the perovskites together with a polymer, it was possible to achieve...
High-Efficiency Tractor Beam Traps Atoms, Could Be Used for Quantum Experiments
ADELAIDE, Australia, Nov. 7, 2018 — University of Adelaide researchers have created a highly efficient waveguide trap for atoms that could be used for experiments in quantum memory. The trap, or tractor beam, is made of IR light that interacts with the atoms to create a change in...
Quantum Dots Replace Dyes to Stabilize Cell Imaging
CHAMPAIGN, Ill., Nov. 6, 2018 — A new molecular probe, based on the fluorescence in situ hybridization (FISH) technique, uses quantum dots (QDs) instead of fluorescent dyes to illuminate molecules and diseased cells. Developed by a team from the University of Illinois at...
SQUARE Team Studies Light-Activated Materials for Multifunctional Qubits
KARLSRUHE, Germany, Nov. 5, 2018 — One approach to quantum technology is based on materials whose quantum properties can be accessed and controlled optically. In an initiative called the Scalable Rare Earth Ion Quantum Computing Nodes (SQUARE) project, researchers at Karlsruhe...
Scientists Demonstrate Topologically Protected Biphoton States
SYDNEY, Australia, Nov. 5, 2018 — An optical circuit based on the principles of topology could provide protection for propagation of the biphoton states that will be needed for quantum computing, in order to inhibit scattering or loss of photons. Researchers at the University of...
Texas Petawatt Laser to Be Used in LaserNetUS Collaborative Network
AUSTIN, Texas, Nov. 2, 2018 — The University of Texas at Austin will be a key player in LaserNetUS, a new national network of institutions operating high-intensity, ultrafast lasers. UT Austin houses one of the most powerful lasers in the country, the Texas Petawatt Laser. The...
Photodetector Mimics Directional Hearing in Small Animals
PALO ALTO, Calif., Nov. 2, 2018 — Researchers from Stanford University have drawn from nature — specifically, the ear structure of the gecko — to devise a subwavelength photodetection pixel that can measure both the intensity and incident angle of light. Geckos and many...
OCTA Could Help Detect Early-Stage Alzheimer's
DURHAM, N.C., Nov. 2, 2018 — Researchers at Duke University used optical coherence tomography angiography (OCTA), a noninvasive imaging technique, to show that the small blood vessels in the retina at the back of the eye are altered in patients with Alzheimer’s disease. The...
Fully Flexible, Foldable Smartphone Is Now a Reality
FREMONT, Calif., Nov. 2, 2018 — California-based startup company Royole Corp., a manufacturer of next-generation human-machine interface technologies and products, has launched the world’s first commercially available foldable smartphone. The Royole FlexPai is a combination of a...
New Laser Network Gives Scientists Access to High-Intensity, Ultrafast Lasers
LINCOLN, Neb., Nov. 2, 2018 — Nine institutions across the country have joined a new U.S.-wide national research network called LaserNetUS. The collaboration includes the Department of Energy’s Lawrence Berkeley National Laboratory, University of Texas at Austin, Ohio State,...
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