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Higher-Order Topological States Could Lead to Faster Data Transfer
NEW YORK, Dec. 13, 2019 — Research into topological photonic metamaterials, led by City College of New York, shows that long-range interactions in metamaterials can change the behavior of lightwaves, forcing the waves to localize in space. The study further shows that by controlling the degree of these interactions, the character of the lightwaves can be switched from propagating to trapped. This discovery could lead to new ways to speed online data transfer, according to the researchers. Photonic topological
Graphene Composite Improves Photocatalytic Activity Used to Degrade Pollutants
BERGAMO, Italy, Dec. 13, 2019 — Graphene Flagship partners developed a graphene-titania composite via a one-step procedure to widen and improve the applicability of “smog-eating” cement. The prepared composite showed enhanced photocatalytic activity, degrading up to...
Machine Learning, OCT Combine to Detect Early-Stage Colon Cancer
ST. LOUIS, Dec. 12, 2019 — Researchers at Washington University in St. Louis are developing a deep learning-based pattern recognition (PR)-OCT system that will automate image processing and provide accurate, computer-aided diagnosis of colorectal cancer potentially in real...
ETH Zurich Study Offers Insight into 'birth' of Photoelectrons
ZÜRICH, Dec. 12, 2019 — A sub-femtosecond study of linear photon momentum transfer during an ionization process, done by a team at ETH Zürich, could provide insight into the “birth” of photoelectrons. Physicists understand how photons transfer their energy...
Thermal Cameras Detect Rheumatoid Arthritis When Symptoms Are Absent
STAFFORDSHIRE, England, Dec. 11, 2019 — Thermal imaging could be an effective method for assessing rheumatoid arthritis (RA), according to a study performed at Staffordshire University. The study sought to determine whether RA patients without active inflammation in their hands exhibited...
New Laser Technique Captures Dynamic Processes of Quantum Materials
VANCOUVER, B.C., Dec. 11, 2019 — A new extreme-ultraviolet (UV) laser source, developed at the University of British Columbia (UBC), enables time-resolved photoemission spectroscopy, a technique for visualizing electron scattering processes at ultrafast timescales. Photoemission...
Conductive Polymer Could Enable Tunable Nano-Optics
LINKÖPING, Sweden, Dec. 10, 2019 — Optical nanoantennas, made from a conducting polymer instead of a traditional metal and developed by scientists at Linköping University, could enable a new type of controllable nano-optical component for use in various applications, such as...
Squeezing Improves LIGO’s Sensitivity to Quantum Noise
CAMBRIDGE, Mass., Dec. 10, 2019 — A new instrument called a quantum vacuum squeezer is helping LIGO — the Laser Interferometer Gravitational-Wave Observatory — to detect gravitational wave signals nearly every week. Just a year ago, LIGO was picking up gravitational...
Nontoxic Material Used to Upconvert Low-energy Photons
RIVERSIDE, Calif., Dec. 6, 2019 — Researchers at the University of California, Riverside (UC Riverside) and the University of Texas at Austin demonstrated the use of nontoxic silicon nanocrystals to convert low-energy photons into high-energy ones. The use of nontoxic materials for...
Electric field-induced Charging Could Improve Colloidal Quantum Dot Lasing
SINGAPORE, Dec. 5, 2019 — Researchers at Nanyang Technological University (NTU Singapore) have demonstrated tunable, controllable amplified spontaneous emission (ASE) in a colloidal semiconductor device via electric field-induced charging. Their work could open new avenues...
Ozcan Labs, UCLA Publish Method on Machine Learning Using Continuum of Wavelengths
LOS ANGELES, Dec. 4, 2019 — A UCLA research team led by Aydogan Ozcan has been developing a diffractive deep neural network, a machine that combines optical diffraction deep learning with light-matter interaction. The goal for the team was to engineer diffractive surfaces that...
System Uses Artificial Intelligence for Placental Analysis
UNIVERSITY PARK, Pa., Dec. 4, 2019 — Placentas can provide critical information about the health of the mother and baby; yet, in the U.S., only about 20% of placentas are assessed by pathology exams after delivery. A new approach from researchers at The Pennsylvania State University...
Data on Laser-Plasma Instabilities Could Improve Fusion Experiments
ROCHESTER, N.Y., Dec. 3, 2019 — New research from the University of Rochester could lead to more accurate computer models for simulations of laser-driven implosions. Researchers at the the university’s Laboratory for Laser Energetics (LLE), along with their colleagues at Lawrence...
Clear, Conductive Coating Could Protect Solar Cells, Display Screens
CAMBRIDGE, Mass., Dec. 2, 2019 — MIT researchers have improved on their initial version of a transparent, conductive coating material for solar cells and touch screens, producing a tenfold gain in its electrical conductivity. The high-performing, flexible material, an organic...
Plasmonics-Based Light Detector Could Support Precision Agriculture
DURHAM, N.C., Nov. 27, 2019 — A new, broad-spectrum photodetector that can be implemented on a single chip has been developed at Duke University. The photodetector spans a range of light frequencies by using on-chip spectral filters created with electromagnetic materials. The...
Edmund Optics Announces Educational Award Recipients
BARRINGTON, N.J., Nov. 26, 2019 — Edmund Optics has announced the recipients of its 2019 Educational Award program. The award is given in recognition of outstanding undergraduate and graduate optics research in science, technology, engineering, and mathematics programs at nonprofit...
Tapered Optical Fiber Performs Multisite Photometry in the Brain
LECCE, Italy, Nov. 26, 2019 — Researchers from Istituto Italiano di Tecnologia (IIT), the University of Salento, and Harvard Medical School have developed a light-based method to capture and pinpoint neural activity in the brain. The new method allows signals from various brain...
Electrode-Water Interface Produces Giant Pockels Effect for a ‘Liquid’ Light Modulator
TOKYO, Nov. 25, 2019 — A new type of light modulator could lead to a better understanding of how the Pockels effect occurs in different types of materials, making it possible to more fully explore its potential in optical applications. A team of scientists at the Tokyo...
Smart Microscope Teaches Itself Settings for Diagnosing Disease
DURHAM, N.C., Nov. 25, 2019 — Engineers at Duke University used machine learning to develop a microscope capable of adapting its lighting angles, colors, and patterns while teaching itself the optimal settings needed to complete a diagnostic task. In a proof-of-concept study,...
Collaborative Work Advances Quantum Sensors for Bio Applications
ROME, Nov. 25, 2019 — A research team at Università degli Studi Roma Tre has shown that quantum light can be used to track enzyme reactions in real time. The researchers developed a setup that allowed them to control the light at the level of a single photon. This made...
Event Reconstruction System Uses Smartphone Video to Locate Shooters
PITTSBURGH, Nov. 25, 2019 — A system that can accurately locate a shooter based on video recordings from as few as three smartphones has been developed by researchers at Carnegie Mellon University. The system, called Video Event Reconstruction and Analysis (VERA), uses machine...
PHI Lab Collaborates on Quantum Neural Network-Based Computing
PALO ALTO, Calif., Nov. 19, 2019 — NTT Research Inc.’s Physics and Informatics (PHI) Lab has reached joint research agreements with six universities, one government agency, and one private company for quantum neural network-based computing. The PHI Lab has struck five-year...
New Innovation Hub to Provide Open-Access Support to European Researchers
BRUSSELS, Nov. 19, 2019 — ACTPHAST for Researchers (ACTPHAST 4R), a new EU innovation hub specializing in the deployment of cutting-edge photonics technologies, will give researchers in academic institutes throughout Europe the chance to turn their breakthrough scientific...
Photonic Accelerator Could Increase Computation Speed and Efficiency
HAMAMATSU, Japan, Nov. 19, 2019 — A new photonic integrated circuit device, developed by researchers in Japan, can be placed at the front end of a digital computer and optimized to perform specific functions with less power consumption than is needed for fully electronic devices....
Photonic Cluster States Generated at Room Temps for Quantum Computation
KONGENS LYNGBY, Denmark, Nov. 18, 2019 — To observe quantum phenomena on a macroscopic scale, researchers at the Center for Macroscopic Quantum States (bigQ) and the Technical University of Denmark (DTU) created an extremely entangled quantum state, called a cluster state. The team’s...
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