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Hand-held Sensor Detects Alzheimer’s Markers Hand-held Sensor Detects Alzheimer’s Markers
YORK, England, Oct. 15, 2025 — A newly-developed, handheld optical sensor could make Alzheimer’s disease easier to detect in its early stages, when treatments for the disease are most effective. The photonic resonant sensor is the result of a collaboration among researchers at the University of York, the University of Strathclyde, and the University of São Paulo. The team developed a sensor that can simultaneously detect two of the amyloid peptides that are indicators for Alzheimer’s, at the levels
Implanted Waveguide Photodiode Promises Programmable Photonics Implanted Waveguide Photodiode Promises Programmable Photonics
HONG KONG, Oct. 14, 2025 — A silicon waveguide photodiode, designed by a team at the Hong Kong University of Science and Technology, addresses many of the challenges that affect existing on-chip power monitors for programmable photonics. The researchers implanted their...
Fiber Photometry Hastens Development of Alzheimer’s Disease Therapies Fiber Photometry Hastens Development of Alzheimer’s Disease Therapies
GLASGOW, Scotland, Oct. 13, 2025 — Use of mouse models to test new interventions for Alzheimer’s disease (AD) is a cornerstone of AD therapeutic development. Current preclinical evaluation of AD pathology relies mostly on post-mortem analyses of animal models, which limits...
Lipson Team Develops Microcomb Source On-Chip for Data Centers Lipson Team Develops Microcomb Source On-Chip for Data Centers
NEW YORK, Oct. 8, 2025 — Researchers from Columbia University School of Engineering and Applied Sciences have developed a method to create a high-power frequency comb that avoids the need for large and expensive lasers and amplifiers. The team’s discovery brings the...
Molecular Coating Cuts Quantum Noise, Promises Scalable Single-Photon Sources Molecular Coating Cuts Quantum Noise, Promises Scalable Single-Photon Sources
EVANSTON, Ill., Oct. 07, 2025 — Tiny deviations in photon quantity or energy can derail devices in quantum technology, affecting the performance of quantum computers. Researchers at Northwestern University developed a novel strategy that makes quantum light sources, which dispense...
USC Team Holds Key to Universal Routing of Light USC Team Holds Key to Universal Routing of Light
PASADENA, Calif., Oct. 07, 2025 — In nonlinear, multimode optical environments, light is typically too chaotic to be routed in a predictive way. Conventional optical routers require complex arrays of switches and electronic controls to toggle multiple pathways. Both of these...
Sophisticated Spectroscopy Shows Valleytronics' Potential in Quantum Information Management Sophisticated Spectroscopy Shows Valleytronics' Potential in Quantum Information Management
ONNA, Japan, Oct. 6, 2025 — Using advanced spectroscopy techniques, researchers at the Okinawa Institute of Science and Technology (OIST) observed the evolution of dark excitons in tungsten disulfide (WS2), an atomically-thin semiconductor from the transition metal...
Microscope Produces Sharp Images of Curved Samples Microscope Produces Sharp Images of Curved Samples
WASHINGTON, D.C., Oct. 1, 2025 — Microscopy samples are seldom completely flat across a centimeter (cm)-scale field of view. Mechanical scanning can keep all the parts of a large sample in focus, but scanning reduces throughput, slowing the imaging process. To help large-area...
Chirped Laser Captures Spatiotemporal Plasma Dynamics in Single Shot Chirped Laser Captures Spatiotemporal Plasma Dynamics in Single Shot
LIVERMORE, Calif., Sept. 30, 2025 — Understanding the properties of plasma, the fourth state of matter, is critical to deploying it in technologies as diverse as fusion energy, astrophysical modeling, and semiconductor manufacturing. However, gaining insight into plasma dynamics,...
Caltech Research Enables Spectral Broadening On-Chip Caltech Research Enables Spectral Broadening On-Chip
PASADENA, Calif., Sept. 29, 2025 — Broadband, coherent light sources are highly valued in research and development, but until now, they have been difficult to achieve without bulky, inefficient tabletop devices. A Caltech team led by professor Alireza Marandi developed an efficient...
Light-Powered Gears Drive Chip-Size Motors Light-Powered Gears Drive Chip-Size Motors
GOTHENBURG, Sweden, Sept. 23, 2025 — Downsizing the gears and micromotors used in devices could help reduce their footprints. But efforts to do so have been hampered by the challenges of constructing drive trains for the gears at scales smaller than 0.1 mm. Miniaturized gears could be...
Computational Technique Harnesses the Benefits of Spectral, Photographic Insights Computational Technique Harnesses the Benefits of Spectral, Photographic Insights
WEST LAFAYETTE, Ind., Sept. 19, 2025 — Using an approach that combines computer vision, color science, and optical spectroscopy, researchers at Purdue University realized spectral resolution comparable to the resolution of scientific spectrometers with photos from a smartphone camera. A...
Pinhole Camera Offers Imaging for MIR Wavelengths Pinhole Camera Offers Imaging for MIR Wavelengths
SHANGHAI, Sept. 18, 2025 — An ancient, lens-free imaging technique provides the basis for a new mid-infrared (MIR) camera that can capture clear, wide-depth images over long distances, even under low light. The camera uses pinhole imaging, a method first described in the...
Light-Based Chip Boosts AI Power Efficiency hundredfold Light-Based Chip Boosts AI Power Efficiency hundredfold
GAINESVILLE, Fla., Sept. 16, 2025 — Artificial intelligence systems are increasingly central to technology, powering everything from facial recognition to language translation. But as AI models grow more complex, they consume vast amounts of electricity — posing challenges for...
Researchers Solve Chromatic Aberration in Metalens Imaging Researchers Solve Chromatic Aberration in Metalens Imaging
SEATTLE, Sept. 16, 2025 — Ultra-flat optics have immense potential for imaging technologies, but chromatic aberration has hindered the technology’s ability to produce high-quality color images when the optic has a large aperture. According to researchers, the...
Carbon Nanotubes Provide Key to Lawrence Livermore Smart Window Technology Carbon Nanotubes Provide Key to Lawrence Livermore Smart Window Technology
LIVERMORE, Calif., Sept 15, 2025 — Half of the sun’s radiant energy falls outside of the visible spectrum, which can lead to unwanted temperature fluctuations in residential and commercial buildings. Smart windows can modulate the transmission of near-infrared light and reduce...
Sending Quantum Signals with Standard Internet Protocol Sending Quantum Signals with Standard Internet Protocol
PHILADELPHIA, Sept. 11, 2025 — A recent experiment demonstrated that there is a way to run quantum networking on commercial fiber-optic cables using the same Internet Protocol (IP) that runs the web. University of Pennsylvania researchers developed a quantum chip that they called...
Microscopy Connects Hypoxia in Brain to Stalled Blood Flow Microscopy Connects Hypoxia in Brain to Stalled Blood Flow
BOSTON, Sept. 10, 2025 — Using high-resolution imaging with two-photon phosphorescent lifetime microscopy (2PLM), researchers learned that even brief interruptions in blood flow to capillaries in the brain can cause rapid, localized drops in oxygen that probably extend into...
Rotating 3D Printer Improves Part-making for Propulsion Technology Rotating 3D Printer Improves Part-making for Propulsion Technology
ZURICH, Sept. 9, 2025 — A new 3D printing method could streamline the manufacturing process for multi-metal parts, reducing manufacturing time and minimizing material waste. The printer uses laser powder bed fusion technology on a platform that rotates the powder...
Stable Microlasers Spur Possibilities for Optoelectronic and On-Chip Technologies Stable Microlasers Spur Possibilities for Optoelectronic and On-Chip Technologies
ST. PETERSBURG, Russia, Sept. 8, 2025 — Device miniaturization, an established trend in smartphones and cameras, now includes technologies for integrating microlasers into chips, miniature sensors, and quantum platforms. However, shrinking a laser while preserving its optical properties,...
LIGO Receives Performance Boost from Sophisticated AI LIGO Receives Performance Boost from Sophisticated AI
RICHLAND, Wash., Sept. 4, 2025 — LIGO, the Laser Interferometer Gravitational-wave Observatory, is able to measure motions more than 10,000× smaller than the width of a proton. This level of precision enables it to detect undulations in space-time called gravitational waves...
Lossy Photonic Platform Holds Key to Robust Quantum States of Light Lossy Photonic Platform Holds Key to Robust Quantum States of Light
ORLANDO, Fla., Sept. 3, 2025 — One of the challenges to creating and maintaining quantum states is their extreme sensitivity to disorder. Even the smallest imperfections and errors in nanofabrication can hinder the scalability of quantum systems. To make quantum states more...
Breath-Activated Sensor Diagnoses Diabetes Rapidly Breath-Activated Sensor Diagnoses Diabetes Rapidly
UNIVERSITY PARK, Pa., Sept. 2, 2025 — Due to a recent breakthrough, diabetes diagnoses will skip the lengthy lab work and doctor’s visits with a simple breath test. Researchers at Penn State University developed a sensor that can diagnose diabetes and prediabetes in a few minutes...
Micro-LEDs Enable Random Number Generation Micro-LEDs Enable Random Number Generation
THUWAL, Saudi Arabia, Sept. 1, 2025 — Random number generation is necessary for data security, for encryption keys and passwords, and computer simulations of complex systems such as the weather and financial markets. There is a strong demand for random number generators that are small...
Lithium Niobate Device Offers Promising Replacement for Signal Modulators in Fiber-Optic Networks Lithium Niobate Device Offers Promising Replacement for Signal Modulators in Fiber-Optic Networks
CAMBRIDGE, Mass., Aug. 28, 2025 — Addressing a major roadblock in next-generation photonic computing and signal processing systems, researchers in the Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) have created a device that can bridge digital electronic...

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