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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 energy that drives the atoms to the most intense part of the light beam. The beam captures the atoms and pulls them into a microscopic hole at the center of an optical fiber. The atomic chamber in which atomic tractor beams were created.
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,...
Eye Tracker Could Improve AR Displays
HANOVER, N.H., Nov. 2, 2018 — A battery-free eye tracker developed at Dartmouth College uses NIR lights and photodiodes, instead of cameras, to make the system energy efficient and less bulky. The wearable eye tracker tracks both the 2D position and diameter of the pupil. Small...
Spectroscopy Technique May Lead to Ways to Convert Carbon Dioxide to Clean Fuel
LIVERPOOL, England, Oct. 31, 2018 — Optical spectroscopy is being applied by a team at the University of Liverpool to better understand the process of electrocatalysis. The team, which develops catalytic systems for sustainable fuel production, is using vibrational sum-frequency...
Scalable Quantum Light Source Enables Quantum Cryptography, Computing
HOBOKEN, N.J., Oct. 31, 2018 — Researchers at Stevens Institute of Technology and Columbia University have developed a scalable, precise method for creating large numbers of quantum light sources on a chip. These light sources could be used for quantum computers and cryptographic...
ML and NMR Spectroscopy Predict Location of Atoms in Powdered Solids
LAUSANNE, Switzerland, Oct. 30, 2018 — A team from Ecole Polytechnique Fédérale de Lausanne (EPFL) has written a machine-learning (ML) program that can quickly predict chemical shifts of molecular solids and their polymorphs to within density functional theory (DFT)...
Miniaturized Optical Gyroscope Reduces Thermal Fluctuations
PASADENA, Calif., Oct. 29, 2018 — Caltech engineers have created an optical gyroscope that is 500 times smaller than the current state-of-the-art miniature fiber-optic device, yet able to detect phase shifts that are 30 times smaller than those systems. Gyroscopes — devices...
Directional Character of Nanolight Could Improve Efficiency of Nanophotonic Devices
MELBOURNE, Australia, Oct. 26, 2018 — Squeezed light in the nanoscale (“nanolight”) was found to propagate only in specific directions along thin slabs of molybdenum trioxide (α-MoO3), a natural anisotropic 2D material. The discovery was made by an international team...
Morgridge Institute to Collaborate with UCSD, Sloan Kettering on NIH 'High-Risk, High-Reward' Project
MADISON, Wis., Oct. 25, 2018 — A project to develop a complete cellular blueprint of zebrafish development, headed by Jan Huisken, medical engineering director at the Morgridge Institute for Research, is one of the 2018 winners of the “High-Risk, High-Reward Research Program”...
Optoelectronic Interface Uses Fiber Optic Channel to Stimulate Brain Neurons
NIZHNY NOVGOROD, Russia, Oct. 25, 2018 — Research into ways to restore brain function has led to the development of an optoelectronic interface that allows interaction between electronic neuron-like generators and living neurons in the brain. Scientists from Lobachevsky University...
Machine Learning Speeds Discovery of New Host Materials for LED Lighting
HOUSTON, Oct. 24, 2018 — A new machine learning algorithm developed at the University of Houston predicted the properties of more than 100,000 compounds, in search of those most likely to be efficient phosphors for LED lighting. When the researchers synthesized and tested...
Deep Learning Approach Streamlines the Design of Metamaterials
TEL AVIV, Israel, Oct. 24, 2018 — A technique for streamlining the process of designing and characterizing nanophotonic metamaterials, based on deep learning, could make the design, fabrication and characterization of these elements easier. A Tel Aviv University team has shown that...
Digital Light Processing Creates Strong, Reconfigurable Origami Structures
ATLANTA, Oct. 22, 2018 — Using digital light processing (DLP), a relatively new 3D printing method, researchers at Georgia Institute of Technology (Georgia Tech) have created origami structures that hold significant weight and remain durable when folded repeatedly. The...
NIR Spectroscopy Enables Accurate Evaluation of Osteoarthritis
KUOPIO, Finland, Oct. 22, 2018 — An arthroscopic NIR spectroscopic probe, developed at the University of Eastern Finland, could be used to quantitatively assess the health of joint tissues, improving physicians’ ability to detect initial signs of post-traumatic osteoarthritis...
Study Confirms Light-Induced Phase Changes Happen Differently, Results Could Be Used in Optoelectronics
CAMBRIDGE, Mass., Oct. 20, 2018 — New research from the Massachusetts Institute of Technology (MIT) demonstrates that light-generated phase changes occur differently than phase changes triggered by temperature. While optically induced phase changes have been observed before, the...
STORM Pioneer Wins One of Six $3M Breakthrough Prizes
SAN FRANCISCO, Oct. 19, 2018 — The Breakthrough Prize Foundation and its sponsors — Sergey Brin, Priscilla Chan and Mark Zuckerberg, Ma Huateng, Yuri and Julia Milner, and Anne Wojcicki — announced the recipients of their 2019 prizes on Oct. 17, 2018. The inventor of...
Imaging Method Traces 3D-Printed Objects Back to Their Source
BUFFALO, N.Y., Oct. 19, 2018 — A University at Buffalo research team has developed a method for tracing 3D-printed objects back to the machines that printed them. PrinTracker is a 3D-printer identification system that can precisely trace the printed physical object to its source...
OCT Tool Explores How Sound Moves Through the Ear
BOSTON, Mass., Oct. 18, 2018 — A vibrational imaging tool based on optical coherence tomography (OCT) is providing new insight into how the ear receives and processes sound waves. Called OCT vibrography, the tool was built by a team at the Wellman Center for Photomedicine at...

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