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Materials, Coatings News

Micron-Scale Entangled Photon Source Could Open Mobile Applications
JENA, Germany, Sept. 4, 2024 — An international team of researchers led by the Friedrich Schiller University Jena has proposed a method to generate entangled photon pairs using 2D materials. The advance could open the door to quantum encryption on mobile devices. The work presented a greatly miniaturized source for entangled photon pairs in a stacked transition metal dichalcogenide crystal, measuring 10 × 10 × 10 µm, allowing it to be easily integrated into compact devices. The crystal symmetry
Printing Method Delivers Quantum Dots for Ultra-HD Displays
DAEGU, South Korea, Aug. 29, 2024 — Advances in wearable, mobile, and Internet of Things technologies are driving demand for high-definition displays. Efficient, ultrahigh-definition displays can enhance the immersive experience of AR and VR applications and make AR, VR, and wearable...
Perovskite Waveguides Offer Quantum, Integrated Device Capabilities
WARSAW, Poland, Aug. 27, 2024 — The optical, lasing, and waveguiding capabilities of perovskite make this material a promising platform for integrated photonic circuits for classical and quantum signal processing. A research team from the University of Warsaw, in collaboration...
Metasurface Manufacturing Method Opens Door to Nano-Optics
TEMPE, Ariz., Aug. 21, 2024 — The miniaturization of semiconductor chips has led to a steady decrease in the size and cost of electronic devices and to improvements in their design. Similar progress has been more difficult for optical devices, like lenses, to achieve. In theory,...
Vertical Structure Strategy Could Improve Next-Gen Wearable Displays
CHANGCHUN, China, Aug. 20, 2024 — The skin-like displays under development for future wearable electronics can be based on passive- or active-matrix designs. Active-matrix designs, however, provide better spatial resolution and contrast and a faster response. All-organic...
Insulator Material Boosts Optical Memory Device Efficiency
CHICAGO, Aug. 14, 2024 — A material that is known for its potential as a magnetic topological insulator (MTI) could be put to different use. While investigating MnBi2Te4, a material composed of manganese, bismuth, and tellurium, a University of Chicago research team...
SPIE Names 107 Senior Members
BELLINGHAM, Wash., Aug. 12, 2024 — SPIE has added 107 new senior members from academia, industry, and government, hailing from 22 countries. The members work in a variety of disciplines, ranging from nanophotonics and noninvasive imaging technologies, to optics-focused business...
Chiral Perovskite Interface Enables Spin in Conventional LEDs
SALT LAKE CITY, Aug. 6, 2024 — Although spintronic devices can process an order of magnitude more information than conventional electronics, current efforts to realize commercial spintronic devices are limited, due to the inefficiencies associated with spin injection across...
Highly Efficient Multijunction VCSELs Advance for Automotive Lidar
Aug 4, 2024 — Vertical-cavity surface-emitting lasers (VCSELs) have garnered significant attention for various sensing and visualization applications during the past three decades. The sustained progress in their development during this period owes largely to...
Light-Matter Interaction Converts Plastic Waste to Functional Materials
AUSTIN, Texas, Aug. 2, 2024 — To assist in the reduction of plastic waste, an international research team led by the University of Texas at Austin (UTA) developed a method that uses a low-power laser to initiate carbon-hydrogen (C-H) activation in plastics and other materials....
Recyclable Polymers Offer Light-Emitting Efficiency and Sustainability
LEMONT, Ill., Aug. 1, 2024 — Luminescent polymers, a class of flexible materials known for their light-emitting capability, are ubiquitous across diverse industries, from bioimaging to security signage to computer displays. When these organic polymers reach their end of life,...
Magnetic Field Illuminates Path to Solar Panel Efficiency Uptick
SYDNEY, July 30, 2024 — Singlet fission and triplet fusion are related photophysical processes with potential applications in photovoltaics, photocatalysis, optical and magnetic resonance imaging, and advanced manufacturing. When applied to photovoltaics, singlet fission...
Phone-Based Raman Spectrometer Recognizes Materials in Minutes
COLLEGE STATION, Texas, July 29, 2024 — Scientists, medical personnel, and others will be able to quickly identify drugs, chemicals, and biological molecules with a handheld device for Raman spectrometry invented by a team at Texas A&M University. The portable Raman spectrometer is...
Graphene Deploys as a Powerful Gas Sensor Emission Source
AACHEN, Germany, July 24, 2024 — Using graphene as the emission source, researchers at AMO GmbH worked with other European universities to develop a MIR emitter for integrated photonic gas sensors. The researchers integrated the graphene-based emitter with photonic waveguides that...
Nanofabrication in Bulk Silicon Brings 3D Integrated Photonics Step Closer
ANKARA, Turkey, July 23, 2024 — Using spatially-modulated laser beams and anisotropic seeding, researchers at Bilkent University demonstrated a way to control nanofabrication deep inside silicon (Si) bulk material, instead of only on the surface of an Si chip. The new approach...
OptoGPT Enhances Optical Components in the Design Phase
ANN ARBOR, Mich., July 22, 2024 — An algorithm developed at the University of Michigan is expected to enhance the design process for optical components including solar cells, smart windows, telescopes, and others. OptoGPT harnesses the transformer neural networks powering large...
TRUMPF and SiMa.ai Partner on AI Lasers
DITZINGEN, Germany, July 19, 2024 — TRUMPF has partnered with machine learning system-on-chip developer SiMa.ai to equip TRUMPF laser systems with AI technology, focusing on the acceleration of complex materials processing. This will include systems for welding, cutting, and marking,...
Silicon Carbide Wafering Pioneer Halo Industries Raises $80M
SANTA CLARA, Calif., July 18, 2024 — Halo Industries, a developer of laser manufacturing technology for the semiconductor industry, has raised up to $80 million in a series B funding round. The company plans to use the funds to scale the commercialization and reach of its technology...
Customized Optical Trapping Spans Three Dimensions
EXETER, England, July 17, 2024 — The smaller the volume of light that confines a microparticle, the more tightly the particle can be trapped. Maximizing the stiffness of the optical trap can lead to more precise measurements at the nanoscale and more photon-efficient tweezing of...
Insights on Photon Shapes Hold Promise for New Tech
ENSCHEDE, Netherlands, July 16, 2024 — Researchers from the University of Twente have found far greater diversity in the behavior of photons compared to electrons surrounding atoms, while also being much easier to control. These new insights have implications for a broad range of...
Topological Platform Boosts Comb Efficiency, End Use Potential
COLLEGE PARK, Md., July 12, 2024 — The well-defined spacing between frequency spikes makes the frequency comb a valuable light measurement tool. Just as the evenly spaced lines on a ruler provide a way to measure distance, the evenly spaced spikes of a frequency comb allow the...
PhotonDelta Expands to U.S. with California Office
SAN FRANCISCO, July 9, 2024 — Netherlands-based photonic chip accelerator PhotonDelta has opened an office in California with the goal of growing the photonic chip industry by facilitating collaboration between European and North American organizations. Backed by $1.2 billion to...
Lens Made with Hybrid Glass Enables Responsive Micro-Optical Devices
JENA, Germany, July 8, 2024 — A mm-sized optical lens made from a hybrid glass material demonstrated the ability to change its refractive behavior in the presence of gas. Developed by researchers at the University of Jena, the lens’ behavior stems from the materials from...
onsemi Acquires SWIR Vision Systems
SCOTTSDALE, Ariz., July 3, 2024 — Image sensor technology company onsemi has completed the acquisition of SWIR Vision Systems, a provider of colloidal quantum-dot-based (CQD) short wave infrared technology. SWIR Vision Systems is now a wholly owned subsidiary of onsemi, with the...
Picosecond Sources Optimize Silicon Carbide Scribing for Device Fabrication
Jul 3, 2024 — With legislative and environmental considerations converging into powerful tailwinds, the e-mobility sector is a blossoming innovation area in all reaches of its value chain. Today, electric vehicle (EV) battery packs are scaling to higher voltages,...
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