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Research & Technology News

Photocatalyst Quantum Confinement Points to Green Hydrogen Production
HONG KONG, Nov. 22, 2021 — The discovery of the effect of quantum confinement in a 3D-ordrered microporous (3DOM) structure photocatalyst has enabled the production of hydrogen under a visible light source. A research team led by researchers from China and Germany made the discovery, which could offer an option for addressing energy and environmental challenges. The scientists said that the ability to produce green hydrogen from solar water splitting is an attractive possibility, due to the high energy density of
Optofluidic Platform Identifies Drug-Resistant Disease
BREISGAU, Germany, Nov. 10, 2021 — Citing increased resistance to antibiotics on the rise globally, researchers from Fraunhofer Institute for Physical Measurement Techniques (Fraunhofer IPM), working alongside those from the Ludwig Maximilian University of Munich, have developed a...
Foveated Glasses-Free 3D Display Achieves High Angular Resolution with Wide FOV
SUZHOU, China, Nov. 9, 2021 — Glasses-free 3D displays could transform the portable electronics industry. However, the limited resolution of display panels in existing 3D displays compromises spatial and angular resolution as well as viewing angle capabilities. An approach to 3D...
Laser Ophthalmoscopy Provides Full Picture of Eye Disease
TOKYO, Nov. 9, 2021 — For retinal diseases such as diabetic retinopathy (DR), which affect a wide area of the fundus, the interior surface at the back of the eye, it is important for clinicians to be able to examine a broad area of the eye in a single shot. A research...
Nanodiamond-based Phantoms Stabilize Microscope Calibration
URBANA, Ill., Nov. 9, 2021 — Researchers at the Beckman Institute for Advanced Science and Technology at the University of Illinois Urbana-Champaign are using microscopic nanodiamonds to calibrate and assess the performance of high-powered microscopes. The work is poised to...
Doping Process Increases Conductivity, Transparency of Graphene
NEW YORK, Nov. 8, 2021 — An interdisciplinary team of researchers from Columbia University and Sungkyungkwan University (South Korea) has introduced a clean technique to dope graphene via a charge-transfer layer made of low-impurity tungsten oxyselenide (TOS). The team...
Silicon Photonic Chip Boosts Quantum Security
NANJING, China, Nov. 8, 2021 — Researchers from Nanjing University and Sun Yat-sen University developed a quantum communications platform based on a silicon photonic chip with a superconducting nanowire single-photon detector (SNSPD). The chip’s performance enabled the team...
Machine Learning-Based Label-Free Histopathology Device Performs in Real Time
POHANG, South Korea, Nov. 4, 2021 — Researchers from Pohang University of Science and Technology (POSTECH) and Gachon University College of Medicine (South Korea) have developed a device that removes the need for complex procedures such as freezing, sectioning, and staining in...
Ptychography Technique Raises Imaging Throughput
STORRS, Conn., Nov. 3, 2021 — A resolution-enhanced parallel-coded ptychography technique developed by researchers at the University of Connecticut has achieved the highest numerical aperture and throughput to date, compared to previous demonstrations of similar technology. The...
Quantum Microcomb Entangles Optical Fields
CHARLOTTESVILLE, Va., Nov. 3, 2021 — Researchers at the University of Virginia developed a tiny optical frequency comb, or microcomb, that uses two-mode squeezing to create unconditional entanglement between continuous optical fields. The miniature, chip-based device lays the...
Photonic Crystal Microscope Quickly Detects Biomarkers for P-O-C Diagnostics
URBANA, Ill., Nov. 2, 2021 — A compact photonic resonator absorption microscopy (PRAM) instrument, developed by a team at the University of Illinois Urbana-Champaign, provides fast, selective detection of cancer biomarkers for diagnostics at the point of care. The instrument...
Researchers Use Quantum Effects to Achieve Ultrabroadband Bandwidth
ROCHESTER, N.Y., Nov. 2, 2021 — Researchers at the University of Rochester have used a thin-film nanophotonic device and the phenomenon of quantum entanglement to generate very large bandwidth — a record for ultrabroadband, the researchers said. The researchers entangled...
Laser-Writing Method Supports Long-term 5D Optical Data Storage
SOUTHAMPTON, England, Nov. 1, 2021 — University of Southampton researchers have developed a fast and energy-efficient laser-writing method for producing high-density nanostructures in silica glass. The resulting tiny structures can be used for long-term five-dimensional (5D) optical...
Researchers Achieve Magnet-Free Optical Isolation
LAUSANNE, Switzerland, Oct. 29, 2021 — A collaboration between École Polytechnique Féderalé de Lausanne and Purdue University has led to the development of an electrically driven, magnet-free optical isolator that enables light routing on a chip. Typically, optical...
Evaporation Model Shows Mechanistic Behaviors of Liquid Marbles
THUWAL, Saudi Arabia, Oct. 28, 2021 — Researchers from King Abdullah University of Science and Technology (KAUST) have introduced a framework for the evaporation behavior of liquid marbles — nonstick and hydrophobic particle-coated droplet structures. Liquid marbles’...
Interferometry reveals 'social behavior' of Photons
ENSCHEDE, Netherlands, Oct. 28, 2021 — The photon is one of the particle types, called bosons, that is able to form a Bose-Einstein condensate. The ability of photons to condense in the state known as a Bose-Einstein condensate is how liquid light is derived. To understand the physical...
Holographic Space Telescope Takes Aim at the Next 'Planet Earth'
TROY, N.Y., Oct. 27, 2021 — To support the discovery of planets outside the solar system, scientists at Rensselaer Polytechnic Institute (RPI) created an experimental space telescope that can directly analyze the spectra of an exoplanet. The main component of the Dual Use...
Biobased Method Could Extract Domestic Supply of Rare-Earth Elements
STATE COLLEGE, Pa., Oct. 26, 2021 — An eco-friendly way to extract and separate rare earth elements (REEs) from unconventional sources has been demonstrated by researchers at Penn State and Lawrence Livermore National Laboratory (LLNL). The method relies on a bacterial protein that is...
Light Design and Fabrication Process Spurs Possibilities for Molecular Sensing
NASHVILLE, Tenn., Oct. 26, 2021 — Researchers at Vanderbilt University and Penn State developed an approach to design and fabricate thin-film infrared light sources with near-arbitrary spectral output driven by heat, along with a machine learning methodology called inverse design....
Optochemical Storage System Cuts Costs, Resists Data Corruption
CAMBRIDGE, Mass., Oct. 25, 2021 — Fluorescent dyes could play a central role in the quest for optical methods to ensure reliable and cost-effective data storage. A Harvard University research team has devised a way to store digital data in fluorescent dye molecules, using...
Fluorescent Sensors with Noncanonical Amino Acids Could Broaden Sensor Use in Biological Studies
PHOENIX, Oct. 21, 2021 — Although fluorescence tools for biological study abound, some processes, such as the interactions between proteins and metabolites, are challenging to investigate with the tools that currently exist. However, a research group led by professor Jeremy...
Monolithic Integrated Platform Supports Silicon Photonics
HONG KONG, Oct. 21, 2021 — Photonic chip platforms indium phosphide (InP) and silicon (Si) offer distinct advantages for photonic integrated circuits (PICs). To synergize the capabilities of the two platforms, researchers at Hong Kong University of Science and Technology...
Raman Spectroscopy and Machine Learning Team Up to Predict Immunotherapy Response in Patients
BALTIMORE, Oct. 21, 2021 — Using Raman spectroscopy and machine learning, a team at Johns Hopkins University developed a noninvasive technique to assess how cancer patients will respond to immunotherapy. The researchers used Raman spectroscopy to map the biochemical...
Thin Films of Chalcogenide Perovskites Set Stage for New Class of Semiconductors
CAMBRIDGE, Mass., Oct. 20, 2021 — High-quality thin films of BaZrS3 chalcogenide perovskites, developed by an MIT research team, show promise as a new semiconductor suitable for a range of applications, including solar and green lighting. The MIT researchers made the prototypical...
Metalens Design Uses Millions of Holes to Focus Light into Single Point
CAMBRIDGE, Mass., Oct. 19, 2021 — Researchers at the Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) developed a metalens that uses deep narrow holes, rather than tall pillars, to focus light to a single point. The metasurface uses more than 12 million...

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