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Materials, Coatings News
Strain Engineering of 2D Materials Enables More Effortless Photodetection
WASHINGTON, D.C., July 28, 2020 — Using a 2D material and an approach it calls “strainoptronics,” a George Washington University research team created a photodetector that can operate with high efficiency at the wavelength of 1550 nm, a spectral region that offers low-loss transmission and optical gain. The researchers stretched an ultrathin layer of molybdenum telluride on top of a nanoscale silicon photonic waveguide. Using strain engineering, they altered the physical properties of the 2D material to shrink
Berghof Group Acquires OptoPolymer
ENINGEN, Germany, July 23, 2020 — Berghof Fluoroplastic Technology, a subsidiary of the Berghof Group, has announced it has taken over the business activities of OptoPolymer. The acquisition, formalized July 1, will allow Berghof Fluoroplastics to expand its portfolio to include...
Hybrid Approach Enables Ultralow-Loss Integrated Photonics for Lidar
LAUSANNE, Switzerland, July 23, 2020 — Researchers at École Polytechnique Fédérale de Lausanne (EPFL) and Purdue University demonstrated a hybrid approach to on-chip acousto-optic modulation by combining piezoelectric aluminium nitride technology with ultralow-loss...
Model Guides Precise Formation of Plasmonic Components
ST. PETERSBURG, Russia, July 22, 2020 — Using a real-time mathematical analysis model developed at ITMO University, scientists will now be able to manipulate the process of creating photonic and plasmonic components to produce the precise optical properties that are needed in a material....
Device Produces Controllable Single Photons from Quantum Dots
DUBLIN, July 16, 2020 — For quantum computing applications, it will be necessary to control emissions from quantum emitters, or quantum dots (QDs), and to produce quantum entanglement of the emission from pairs of QDs. A new photon-emitting device developed at Trinity...
Hybrid Process Integrates PIC with Artificial Atoms to Scale Up Quantum Chip
CAMBRIDGE, Mass., July 15, 2020 — MIT researchers have developed a way to manufacture and integrate artificial atoms with photonic circuitry to produce a quantum chip that could be used for large-scale quantum systems. Using a hybrid, modular approach, the researchers built what...
Bose-Einstein Condensate Formed in Record-Breaking Time
ESPOO, Finland, July 10, 2020 — Researchers at Aalto University and the University of Eastern Finland have created a Bose-Einstein condensate in femtoseconds (fs) — a record-breaking time for producing this state of matter. Bose-Einstein condensation is a quantum phenomenon...
Photoluminescence Techniques Map, Measure Semiconductor Thermal Conductivity
WACO, Texas, July 6, 2020 — As new materials emerge, thermal conductivity measurements will need to be developed to handle materials with a small size and high thermal conductivity (k). A joint research group has developed two new optical techniques — photoluminescence...
Photonic Technologies Energize Sustainability
Jul 2, 2020 — It could be a greener world, thanks to photonic technologies. That’s the conclusion of a 2020 study forecasting that photonics could eliminate 3 billion tons of CO2 emissions annually by 2030. Paris-based consultancy Tematys contributed to the...
Massive Light Emission Emerges from Nanogap Between Plasmonic Electrodes
HOUSTON, July 2, 2020 — While investigating above-threshold light emission from electromigrated tunnel junctions, researchers from Rice University and the University of Colorado Boulder discovered that an unexpectedly bright emission could emerge from a nanoscale gap...
RUB Scientists Show Radiative Auger Process in Quantum Dots
BOCHUM, Germany, June 30, 2020 — Scientists at Ruhr-University Bochum, working with researchers based in Basel and Copenhagen, have demonstrated the connection between the radiative Auger process and quantum optics. The scientists experimentally confirmed the radiative Auger...
ETH Team Leads Way to More Precise Diffraction Gratings
ZÜRICH, June 29, 2020 — For decades, scientists have tried to improve the design and production of diffraction gratings, one of the oldest and most important technologies for controlling light. An ETH Zürich team, working with colleagues at Utrecht University and...
Integrated Platform for Visible-Light Chip Could Further Miniaturization
ST. PETERSBURG, Russia, June 26, 2020 — To support the miniaturization of optical devices and components, a scientific team led by researchers at ITMO University has devised a quick, affordable method to make visible-light nanophotonic chips. The light source for the chip can be grown...
Twisted Layers of 2D Materials Can Be Used to Propagate and Control Light
NEW YORK, June 22, 2020 — An international scientific team has demonstrated that twistronics — the science of layering and twisting 2D materials to control their electrical properties — can be used to manipulate the flow of light in extreme ways. The findings...
Societies Announce Congressional Science and Engineering Fellows
WASHINGTON, D.C., June 17, 2020 — The Optical Society (OSA); the Materials Research Society (MRS); and SPIE, the international society for optics and photonics, have announced the selection of Catherine Clark and Michelle Solomon as 2020-2021 Congressional Science and Engineering...
At 5-Year Mark, AIM Photonics Looks Back on Key Accomplishments, Future Goals
ROCHESTER, N.Y., June 16, 2020 — Since 2015, AIM Photonics has been at the forefront of New York’s success in the integrated photonics arena. Over the past five years, AIM has created a photonic integrated chip (PIC) manufacturing ecosystem, providing the photonics community...
Portable Virus Disinfection Within Reach
UNIVERSITY PARK, Pa., June 12, 2020 — With the rapid spread of the virus that causes COVID-19 and others, researchers, clinicians, custodial staff, and the general population are looking for the most efficient way to disinfect surfaces and other areas where the virus may reside and have...
Scientists Demonstrate 310-nm Nanolaser in VIS Range at Room Temperature
ST. PETERSBURG, Russia, June 12, 2020 — An international scientific team led by researchers at ITMO University demonstrated experimentally what it believes to be the world’s most compact semiconductor laser operating in the visible range at room temperature. The nanolaser produces...
Nanostructured Plasmonic Materials Could Provide More Natural Color for Displays
ORLANDO, Fla., June 9, 2020 — Ultralow-power, ultrahigh-definition displays and screens that will be easier on the eyes could be possible with technology being developed by researchers at the University of Central Florida (UCF). Their approach illuminates the display by...
OptoSigma Europe Opens Office in Germany
PARIS, June 9, 2020 — OptoSigma Europe has opened an office in Munich, Germany, to support expansion in Germany and Eastern Europe. It’s the company’s first office outside of France since its European division was established in 2014. Parent company OptoSigma...
'Artificial Chemist' Combines AI, Robotics to Autonomously Develop Quantum Dots
RALEIGH, N.C., June 8, 2020 — Artificial Chemist, a technology invented by researchers at North Carolina State University (NC State) and the University at Buffalo, integrates artificial intelligence and an automated system for performing chemical reactions to speed R&D and...
Metasurface Design Approach Achieves Unidirectional Luminescence in LEDs
SANTA BARBARA, Calif., June 5, 2020 — Using a metasurface-based design, researchers at the University of Santa Barbara, California (UCSB) developed a way to extract more photons from LEDs and direct the light emitted from LEDs with greater precision. Their approach could be used to...
Scientists Discover Process That Enables Low-Power Nanolasers in 2D Semi-Materials
TEMPE, Ariz., June 4, 2020 — Scientists at Arizona State University (ASU) have identified the process in physics that enables nanolasers to be created using 2D materials. This led them to the discovery of a mechanism for providing optical gain in 2D materials at much lower...
UV Light and Riboflavin Reduce SARS-CoV-2 Pathogens in Plasma, Whole Blood
FORT COLLINS, Colo., June 2, 2020 — Researchers at Colorado State University (CSU) showed that exposure to riboflavin and ultraviolet light (R + UV) can reduce SARS-CoV-2 infectivity in human plasma and whole-blood products while maintaining blood product quality. The CSU team aimed...
Discovery Could Enable Large-Scale Quantum Photonics
BRISTOL, England, May 22, 2020 — An integrated photon source with the potential to deliver large-scale quantum photonics has been developed by physicists at the University of Bristol. Integrated quantum photonics is a promising platform for developing quantum technologies due to...
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July 2024
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