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Research & Technology News

Potential New Avenues Demonstrated for Quantum Information Processing
TAMPERE, Finland, Jan. 24, 2020 — A team of researchers from Austria, Canada, and Finland used the spatial structure of light to experimentally implement so-called high-dimensional quantum gates. In the ongoing transition from classical to quantum information science, one driving force will be the increasing ability of scientists to generate, manipulate, and measure groups of individual quantum systems in order to harness them as information carriers. The most common unit of quantum information is a two-valued
ORNL Researchers Summarize Results from Quantum Experiments
OAK RIDGE, Tenn., Jan. 24, 2020 — Oak Ridge National Laboratory (ORNL) researchers Joseph Lukens, Pavel Lougovski, Brian Williams, and Nicholas Peters, with collaborators from Purdue University and the Technological University of Pereira in Colombia, summarized results from several...
Photosensitizer Design Absorbs Low-Energy Light, Transfers Energy Efficiently
SAPPORO, Japan, Jan. 23, 2020 — Researchers at Hokkaido University, working with colleagues in Japan to develop a photosensitizer design that could use low-energy light effectively, developed a design that made the rare earth element europium (Eu) shine five times more brightly...
Color Superlensing Could Break Through Diffraction Barrier
KAZAN, Russia, Jan. 23, 2020 — Researcher Sergey Kharinstev and his team at Kazan Federal University recently published a paper in Optics Letters where they detail the design of a new type of metalens capable of imaging beyond the optical diffraction limit.
Camera Offers Single-Shot, Real-Time, Ultrafast Imaging of Transparent Objects
PASADENA, Calif., Jan. 23, 2020 — A camera developed at the California Institute of Technology (Caltech) uses picosecond imaging technology to take photographs and videos of transparent objects at speeds of up to 1 trillion frames per second. Called phase-sensitive compressed...
Diabolical Points Could Provide Control of Quantum Emitters
BEIJING, Jan. 22, 2020 — Researchers from the Chinese Academy of Sciences and the University of Glasglow have discovered a way to potentially provide control over the emission of individual photons for quantum computing. Active emitters in photonic structures are essential...
Laser Diode Emits Deep-UV Light
NAGOYA, Japan, Jan. 21, 2020 — Nagoya University researchers, in cooperation with Asahi Kasei Corp., have succeeded in designing a laser diode that emits deep-ultraviolet light, according to research published in the journal Applied Physics Express. “Our laser diode emits...
Blue Light Can Improve Sleep, Help Brain Recover from Injury
TUCSON, Ariz., Jan. 21, 2020 — According to a University of Arizona (UArizona) study, exposure to blue light in the morning could re-entrain the circadian rhythm and improve sleep problems, leading to faster recovery from brain injury. Research has shown that the brain repairs...
Deep Learning Enables Real-Time Imaging Around Corners
STANFORD, Calif., Jan. 21, 2020 — A team of U.S. researchers has created a laser-based system able to image around corners in real time. With further development, the system may allow self-driving cars to look around parked cars or busy intersections to see hazards or pedestrians....
Slow-Light Waveguide Provides Beam-Steering Capabilities for Lidar
YOKOHAMA, Japan, Jan. 21, 2020 — In the field of lidar, where speed is often valued above other variables, a team from Yokohama National University is using “slow light” to develop compact, easy-to-use, 3D sensors with nonmechanical beam-steering capabilities....
Marriage of Microscopy Techniques Reveals Cells’ 3D Ultrastructure
CHEVY CHASE, Md., Jan. 21, 2020 — Scientists at the Howard Hughes Medical Institute (HHMI) have combined superresolution fluorescence microscopy and electron microscopy to shed new light on the structures and organizations within cells. Superresolution fluorescence microscopy on its...
Heuristic Approach Uses Photonics to Solve Complex Problems Fast
CAMBRIDGE, Mass., Jan. 20, 2020 — Researchers at MIT and the Institute of Soldier Nanotechnologies have opened the path to solving NP-complete problems with integrated photonics, by developing a heuristic algorithm dedicated to solving the NP-complete Ising problem using photonics...
Self-Heating in OLEDs Can Cause Decrease in Luminance
DRESDEN, Germany, Jan. 16, 2020 — When LEDs and transistors are connected in parallel, even slight differences in resistance can lead to imbalanced current flow. If the devices heat up, this can lead to even greater imbalances. This is especially true for OLEDs. A large-area OLED...
Majorana: The So-Called Angel Particle Was Not Discovered
UNIVERSITY PARK, Pa., Jan. 16, 2020 — A research team at Penn State, partnering with the University of Würzburg in Germany, has flagged a 2017 discovery of Majorana fermion as a false alarm. An exotic quantum state known as a “chiral Majorana fermion” is predicted in...
Tuned Resonators Allow Control of Electromagnetically Induced Transparency
ST. LOUIS, Jan. 16, 2020 — Researchers at Washington University in St. Louis have devised an optical resonator system that can be used to turn transparency on and off. The ability to manipulate electromagnetically induced transparency (EIT) without the introduction of an...
Diabetic Smart Contact Lenses Developed by South Korean Research Team
POHANG, South Korea, Jan. 15, 2020 — A research team from Pohang University of Science and Technology in South Korea (POSTECH) developed technology that allows diagnosis of diabetes and treatment of diabetic retinopathy by wearing smart light-emitting diode (LED) contact lenses.
Scientists Analyze Final Images from Cassini
LANCASTER, England, Jan. 15, 2020 — Toward the completion of its 13-year mission, which ended in September 2017, the Cassini spacecraft performed a set of orbits that brought it closer to Saturn than ever before. By passing over the planet’s polar regions at a low altitude,...
Colloidal QD Breakthrough Could Lead to Manufacturing-friendly Laser
LOS ALAMOS, N.M., Jan. 15, 2020 — Scientists at Los Alamos National Laboratory have incorporated meticulously engineered colloidal quantum dots into a new type of LED containing an integrated optical resonator, which allows the LEDs to function as lasers. The researchers...
CAREER Award Recipient to Explore Potential of Promising New Material in Optoelectronic Applications
TROY, N.Y., Jan. 14, 2020 — Sufei Shi, an assistant professor of chemical and biological engineering at Rensselaer Polytechnic Institute (RPI), is the recipient of the CAREER grant award. The National Science Foundation Faculty Early Career Development Program (CAREER) grant...
New Rules Reveal How an Object’s Scale Affects Its Interaction with Light
PRINCETON, N.J., Jan. 14, 2020 — Princeton researchers have uncovered rules pertaining to how objects absorb and emit light. Their discovery addresses how the scale of an object affects the way it interacts with light. The new rules will tell scientists how much infrared (IR) light...
Deep Learning Speeds 3D Microscopic Neuroimaging
AUSTIN, Texas, and SAN DIEGO, Jan. 14, 2020 — Using deep learning techniques, researchers from the Salk Institute have developed a new microscopy approach that could make microscopic techniques used for brain imaging 16 times faster. The researchers trained their deep learning system using data...
LED Lighting Provides Energy Efficiency, But Needs Standards
NEW BRUNSWICK, N.J., Jan. 14, 2020 — With the growing popularity of LED lighting, scientists are looking to study its effects on plant growth. However, a lack of standards has made studies unreliable. While LED lighting can enhance plant growth in greenhouses, standards are needed to...
Quantum Loop Provides Testbed for Unhackable Communications
CHICAGO, Jan. 13, 2020 — Scientists from the U.S. Department of Energy’s (DOE) Argonne National Laboratory and the University of Chicago (UChicago) have launched a quantum loop, consisting of two connected, 26-mile fiber optic cables that run between Argonne and the...
Using Microwave Metamaterials in Machine Learning Speeds Object Recognition
DURHAM, N.C., Jan. 13, 2020 — A new approach to object identification, developed by researchers at Duke University and the Institut de Physique de Nice (INPHYNI), enables joint learning of optimal measurement strategies and a matching processing algorithm, and uses inferred...
Microresonator Measures and Images Nanoparticles with High Degree of Sensitivity
ONNA, Japan, Jan. 13, 2020 — Scientists at the Okinawa Institute of Science and Technology (OIST) Graduate University have developed a light-based device that can act as a biosensor, detecting biological substances in materials, such as harmful pathogens in food. The scientists...

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