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Research & Technology News

Synthetic Fibers Light the Path for Molecular Motion
NOTTINGHAM, England, Oct. 19, 2021 — Research from the University of Nottingham demonstrated the use of synthetic fibers to drive molecular motion over long distances, fueled by light. The work may open avenues for the use of light as a source of sustainable energy, as well as in photopharmacology. The research team used a path of molecular fibers in liquid that can be used to propel traveling molecules when stimulated by light. “In living organisms, molecular motors travel along specific molecular paths; it is an
Microscope Slide Easily Detects Cancer Cells to Speed Diagnoses
CLAYTON, Australia, Oct. 18, 2021 — A microscope slide that is compatible with any optical microscope could hold implications for the future of cancer detection. The tool, called the NanoMslide, was developed by researchers at La Trobe University. Brian Abbey and Eugeniu Balaur, with...
Quantum Chip Prototype Bridges Data Processing Networks
ROCHSTER, N.Y., Oct. 18, 2021 — Researchers from Rochester Institute of Technology (RIT) and national photonic device company AdvR designed and built a quantum chip prototype that the developers say is able to bridge traditional fiber optic networks with quantum computing...
Fiber Laser System Shows Promise for Attosecond Light Sources, May See Use in ELI-ALPS
JENA, Germany, Oct. 14, 2021 — The combination of a fiber laser system with recent advancements in multipass cells has enabled a German research team to create a laser with a unique combination of few-cycle pulses at high average power, pulse energy, and repetition rate, and with...
Photon-Phonon Combination Will Enable Multi-Technique Spectroscopy Advances
NEW YORK, Oct. 14, 2021 — City College of New York (CCNY) researchers have demonstrated the ability to combine topological photons with lattice vibrations, or phonons, to manipulate their propagation in a robust and controllable way. The researchers made the photon-phonon...
Devices Made of Multiple Materials Can Fit on a Single Chip
WASHINGTON, D.C., Oct. 12, 2021 — A team of researchers at the University of Strathclyde has developed a highly accurate way to assemble multiple micron-scale optical devices extremely close together on a single chip. According to the team, the approach could eventually support the...
Enhancing Lanthanide-Doped Nanocrystal Upconversion Luminescence Could Improve Bioimaging, Displays
SINGAPORE, Oct. 11, 2021 — At the National University of Singapore (NUS), researchers amplified upconversion luminescence in protein-size lanthanide-doped nanocrystals. The group reconstructed the surface of the crystal to prevent surface-associated energy loss. Tests showed...
Continuous-Wave OPA Supports Noise-Reduced Chip-Scale Optical Signal Processing
GOTHENBURG, Sweden, Oct. 8, 2021 — An optical amplifier developed at Chalmers University of Technology is poised to radically improve optical communications performance. The compact amplifier is designed to fit on a chip and amplify light without generating excess noise. Light-based...
Laser Process Prints Defect-free Custom Alloy Parts
COLLEGE STATION, Texas, Oct. 6, 2021 — A study from a Texas A&M University research team could make it easier to print uniform, defect-free parts using the laser bed powder fusion 3D-printing technique with metal alloys. The researchers systematically investigated the effects of...
Compact Biosensor Offers Continuous Detection of Environmental Estrogens
GUANGZHOU, China, Oct. 5, 2021 — A plasmonic optical fiber biosensor, developed by researchers at Jinan and Tsinghua universities, uses light-matter interaction and advanced surface chemistry to achieve ultrasensitive detection of environmental estrogens (EEs). The compact,...
Microscopy Method Enables Deep In Vivo Brain Imaging
HEIDELBERG, Germany, Oct. 4, 2021 — A method developed by the Prevedel Group at the European Molecular Biology Laboratory (EMBL) allows neuroscientists to observe live neurons deep within the brain — or any other cell hidden within an opaque tissue. The method is based on...
Photonic Chip Combines Many VCSELs into Single Laser
WÜRZBURG, Germany, Sept. 30, 2021 — Researchers from the Technion-Israel Institute of Technology and the University of Würzburg successfully forced an array of vertical-cavity lasers to act together as a single laser — a highly effective laser network the size of a grain of...
Laser Treatment Reduces Need for Hazardous Chemicals in Coatings Prep
OAK RIDGE, Tenn., Sept. 29, 2021 — Although highly regulated, the chemical pre-treatment processes used to prepare U.S. Department of Defense materials for protective coatings involve hazardous compounds that can harm one’s health and the environment. A laser-interference...
Topological Approach Boosts Efficiency of On-Chip Frequency Combs
COLLEGE PARK, Md., Sept. 29, 2021 — Using a topological platform — topology is a field of abstract math that underlies some of the most peculiar behaviors of modern materials — researchers at the University of Maryland (UMD) have proposed a method to make chip-sized...
Microscopic 3D-Printed Sensors Respond to Air Chemistry with Visible Changes
DUBLIN, Sept. 28, 2021 — Using direct laser writing (DLW) and optically responsive polymers, researchers at Trinity College Dublin and the Advanced Materials and Bioengineering Research Centre (AMBER) built miniature photonic sensors that change color in response to solvent...
Dual-Band IR Detector Can Be Integrated into Camera Chips
JÜLICH, Germany, Sept. 22, 2021 — Scientists at the Forschungszentrum Jülich (Jülich Research Center) and the Politecnico di Milano (Polytechnic University of Milan) have developed an infrared (IR) detector that provides a bias-switchable spectral response in two distinct IR bands....
Hybrid Metalens Supports Miniaturized Optics for Endoscopy
BOSTON, Sept. 20, 2021 — Researchers at Boston University and Harvard University, with colleagues from the Misr University for Science and Technology in Egypt and the University of Waterloo in Canada, developed an achromatic, hybrid metalens that is designed to focus two...
Researchers Engineer Optical Losses to Perfect Absorption
ST. LOUIS, Sept. 17, 2021 — Research conducted by a team from Washington University in St. Louis, in collaboration with A. Douglas Stone of Yale University, has uncovered new approaches to manipulating light absorption in optical resonators by different types of optical...
Erbium-Doped Fluoroindate Glass Shows Promise for Mid-IR Lasing
XI’AN, China, Sept. 16, 2021 — A research team from the Xi’an Institute of Optics and Precision Mechanics of the Chinese Academy of Sciences has revealed the spectroscopic properties of Er3+-doped fluoroindate glasses. Tests showed that fluoroindate glass is an attractive...
Smart Coatings Change Color with Temperature
EINDHOVEN, Netherlands, Sept. 15, 2021 — A team led by Eindhoven University of Technology (TU/e) Ph.D. student Weixin Zhang has developed organic photonic coatings that change colors with changing temperatures. The smart coatings can be easily processed and scaled up.
UK Invests in New Robotic Telescope’s Construction
SWINDON, England, Sept. 13, 2021 — The Science and Technology Facilities Council (STFC, part of UK Research and Innovation) awarded £4 million ($5.51 million) to support construction of the world’s largest robotic telescope, the New Robotic Telescope (NRT). The funding...
Vehicle Occupant-Monitoring Tech Captures Free-Space Gestures in 3D
KARLSRUHE, Germany, Sept. 10, 2021 — Engineers at the Fraunhofer Institute of Optronics, System Technologies and Image Exploitation (IOSB) have developed occupant monitoring technology for autonomous and assisted driving applications. The system, the scientists said, is the first to...
Promising Materials Emerge for Next-Gen LED-Based Data Communications
GUILDFORD, England, Sept. 10, 2021 — A team of researchers has examined how organic semiconductors, colloidal quantum dots (CQDs), and metal halide perovskites can be used in high-speed LED-based optical communication systems. LED-based techniques enable computing devices to...
Photonic Device to Enable Bio Experiments in Space
BENGALURU, India, Sept. 9, 2021 — Researchers at the Indian Institute of Science (IISc) and the Indian Space Research Organization have developed a modular, self-contained device to cultivate micro-organisms. The work could enable biological research in outer space. Using an LED and...
UV Light Reveals Opportunities for Rechargeable Battery, Fuel Cell Design
TSUKUBA, Japan, Sept. 9, 2021 — Researchers from the University of Tsukuba and collaborators have shown that UV light can modulate oxide ion transport in a perovskite crystal at room temperature. The discovery opens new avenues in perovskite research for rechargeable batteries and...

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