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Research & Technology News
Researchers Use Photonic Systems to Improve Quantum Orienteering Protocols
HEFEI, China, March 5, 2020 — Scientists at the University of Science and Technology of China (USTC) have enhanced the performance of quantum orienteering with entangling measurements via photonic quantum walks. Quantum entanglement can manifest itself in both quantum states and quantum measurements. The researchers said that while there has been extensive research on entangling states, few studies of entangling measurements have been done, because entangling measurements are difficult to realize. The USTC group
SwRI Delivers Ultraviolet Spectrograph for Jupiter Mission
SAN ANTONIO, March 5, 2020 — An ultraviolet spectrograph (UVS) designed and built by Southwest Research Institute (SwRI) is the first scientific instrument to be delivered for integration onto the European Space Agency’s (ESA) Jupiter Icy Moon Explorer (JUICE) spacecraft....
In FET Open Project, Researchers Chart Course for Bio-LEDs
GRAZ, Austria, March 5, 2020 — Scientists at Graz University of Technology (TU Graz) are working with research teams from Spain and Italy on environmentally friendly, inexpensive LEDs. The Graz team, led by Gustav Oberdorfer, is designing proteins with the help of simulation...
World Faces Air Pollution Threat, and Light Technology Could Help
MAINZ, Germany, March 5, 2020 — Air pollution is responsible for shortening people's lives worldwide on a scale far greater than wars and other forms of violence and than parasitic and vector-borne diseases such as malaria, HIV/AIDS, and smoking, according to a study published...
Terahertz Field Stabilizes Surface State of Topological Materials
AMES, Iowa, March 4, 2020 — Some topological materials are insulators in their bulk form but possess electron-conducting behavior on their surfaces. The contrast in the behavior of these surface electrons is promising for future applications but challenging to control....
Optogenetic Control of Protein Speeds ALS Symptoms in Zebrafish
MISHIMA, Japan, March 3, 2020 — A joint research group in Japan reproduced amyotrophic lateral sclerosis (ALS) symptoms in zebrafish by remotely controlling a disease-associated protein molecule with light. In ALS, motor neurons progressively degenerate and accumulate inclusions...
Tiny Micromotor Powered by Light
WARSAW, Poland, March 3, 2020 — Researchers at the University of Warsaw’s Faculty of Physics collaborated with researchers from the Polish Academy of Science and Xi’an Jiaotong-Liverpool University to demonstrate a rotary micromotor powered with light using liquid...
2D Material Takes on Chirality of Circularly Polarized Light
CAMBRIDGE, Mass., March 2, 2020 — Physicists at MIT have uncovered a new way to test whether or not a material is chiral, and have also found a way to enhance the overall chirality in a large piece of material. The material they used, titanium diselenide (TiSe2), is a...
Materials Integrated with Silicon Photonics Manipulate Light Phase at Low Loss
NEW YORK, March 2, 2020 — A Columbia University team used a 2D material from the transition metal dichalcogenide (TMD) class to control the phase of light without changing its amplitude or depleting its power. By placing the atomically thin material on top of passive silicon...
Researchers Demonstrate 3-Photon Split in the Microwave Domain
WATERLOO, Ontario, Feb. 28, 2020 — Researchers at the University of Waterloo have directly split one photon into three. To do so, they created a non-Gaussian state of light using spontaneous parametric down-conversion (SPDC). Traditional SPDC, which splits a high-energy pump photon...
Technique Interprets Hyperspectral Images Using Phasor Approach
LOS ANGELES, Feb. 28, 2020 — An imaging technique called spectrally encoded enhanced representations (SEER) provides greater clarity and works up to 67 times faster and at 2.7 times greater definition than existing spectral imaging techniques, according to its developers at the...
Organic Nanomaterials and Metal Particles Could Mean Better Batteries
BUSAN, South Korea, Feb. 28, 2020 — Researchers from the National Korea Maritime and Ocean University have developed a method for adding metals to organic materials that they claim is simple, safe, and cost-effective. The method will allow the production of sodium-ion batteries, an...
Researchers Develop Method to Dramatically Reduce Imaging Noise
HOBOKEN, N.J., Feb. 27, 2020 — Researchers at Stevens Institute of Technology created a 3D imaging system that uses light’s quantum properties to create images 40,000 times crisper than current technologies. The research could allow for better lidar sensing and detection,...
Weeklong Bootcamp Provides Hands-On Experience in Integrated Photonics
CAMBRIDGE, Mass., Feb. 27, 2020 — A January weeklong integrated photonics bootcamp, offered by MIT as part of its work with the manufacturing institute AIM Photonics, provided students with the opportunity to solve problems using lab equipment to test passive photonic chips,...
Optics, Chemistry, Materials Sciences Use Light to Manipulate Light
PITTSBURGH, Feb. 26, 2020 — Researchers from the University of Pittsburgh’s Swanson School of Engineering, Harvard University, and McMaster University have revealed a hydrogel that can respond to optical stimuli and modify the stimuli in response. A convergence of...
QD Solar Cells Realize 16.6% Power Conversion Efficiency
BRISBANE, Australia, Feb. 25, 2020 — Researchers at the University of Queensland (UQ) are harnessing the properties of quantum dots (QDs) to make solar cells that capture a wider range of light for energy, are more stable in their energy production, and can be applied to curved...
Precise Control of Photons in a Synthetic Dimension
STANFORD, Calif., Feb. 24, 2020 — To enable precise control of photons, a Stanford-led team created a pseudo-magnetic force, essentially “tricking” photons — which are intrinsically nonmagnetic — into behaving like charged electrons. The photons were sent...
Printable Photodiodes Could Be Used for Visible Light Communication
KARLSRUHE, Germany, Feb. 24, 2020 — A team at Karlsruhe Institute of Technology (KIT) has demonstrated a multichannel visible light communication system based on an organic photodetector array capable of demultiplexing optical signals without the need for additional optical filters....
Fluorescent Imaging Helps Identify Lung Cancer Lesions During Surgery
PITTSBURGH, Feb. 24, 2020 — A tumor-highlighting technology called OTL38 enhances the visualization of lung cancer tissue through near-infrared imaging, providing surgeons with a significantly better chance of finding and removing more cancer than previously possible. The...
Sensor Uses Quantum Entanglement to Detect Magnetic Excitation
TOKYO, Feb. 21, 2020 — Using the principle of quantum entanglement, scientists at the University of Tokyo’s Research Center for Advanced Science and Technology (RCAST) demonstrated the coupling of a millimeter-size magnetic sphere with a sensor and showed that the...
2D Material Structures Can Emit Customized Light in Desired Color
GENEVA, Feb. 21, 2020 — Some atomically thin 2D materials can emit customizable light in the color desired when the materials are combined together to create an “artificial semiconductor.” The discovery, made by researchers at the University of Geneva (UNIGE)...
Sequestering Lead in Perovskite Cells Could Make Them Safer for Photovoltaics
DEKALB, Ill., Feb. 20, 2020 — Many high-performing hybrid perovskite solar cells contain water-dissolvable lead, raising concerns over potential leakage from damaged cells. A new technique to sequester the lead used to make the cells could make them more practical for use in...
Lensless On-Chip Microscopy Platform Shows Slides in Full View
STORRS, Conn., Feb. 20, 2020 — Guoan Zheng, a University of Connecticut (UConn) professor of biomedical engineering, has published his findings on a successful demonstration of a lensless on-chip microscopy platform in Lab on a Chip. Zheng suggests his platform eliminates several...
Optoelectronic Superstructure Could Be Applied in Neuromorphic Computing
ORLANDO, Fla., Feb. 20, 2020 — University of Central Florida (UCF) researchers have taken a step toward developing neuromorphic computers — computers that mimic neurobiological architectures present in the human nervous system — by demonstrating how to create a...
Vision for Primate Neuroimaging to Accelerate Scientific and Medical Breakthroughs
NEW YORK, Feb. 20, 2020 — A global community of over 150 scientists studying the primate brain has released a blueprint for developing more complete “wiring diagrams” of how the brain works that may ultimately improve understanding of several brain disorders....
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