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Research & Technology News

UV Lasers, Combs Provide High-Frequency Light for Nuclear Clock
BOULDER, Colo., Sept. 10, 2024 — Nuclear clocks, which measure time by using the energy jumps within an atom’s nucleus, could improve timekeeping, navigation, and internet speeds, and could advance physics research. They have the potential to be more accurate than atomic clocks, and less sensitive to external disturbances like stray magnetic fields. An international team of JILA-led scientists demonstrated the key components of a nuclear clock, including the precise frequency measurements of an energy jump in the
Electro-optical Tech Advancement to Boost Communications, Imaging
CAMBRIDGE, Mass., Sept. 9, 2024 — Lightwave electronics is an emerging field that aims to integrate optical and electronic systems at incredibly high speeds. The key idea is to harness the electric field of light waves, which oscillate on sub-femtosecond timescales, to directly...
Neural Field Network Reconstructs High-Resolution from Low-Resolution Images
BOSTON, Sept. 9, 2024 — Deep learning (DL) has significantly transformed the field of computational imaging, offering solutions to enhance performance and address a variety of challenges. Traditional methods often rely on discrete pixel representations, which limit...
Micro-rings Make Green Gap Wavelengths Accessible for Tiny Lasers
GAITHERSBURG, Md., Sept. 6, 2024 — Compact, high-quality lasers that generate red and blue light have been available for years, but lasers that emit light at yellow and green wavelengths and are small enough to fit on a chip have been harder to build. Wavelengths between...
Quantum Effect Generates Different View of Alzheimer’s
WASHINGTON D.C., Sept. 6, 2024 — An exploration into quantum effects produced in nanoscale biological processes has the potential to upend traditional perceptions of the causes and effects of Alzheimer’s disease and other neurological conditions. For it turns out that when...
Optical Redox Imaging Monitors Heart Cell Development
MADISON, Wisc., Sept. 5, 2024 — An optical imaging tool for monitoring the growth of human heart cells known as cardiomyocytes (CMs) could lead to a reproducible means to generate human induced pluripotent stem cell-derived cardiomyocytes (iPSC-CMs) for biomanufacturing. The...
Project DIPOOL Yields Updated Laser Blanking System
AACHEN, Germany, Sept. 5, 2024 — In modern production processes, especially in the automotive industry, blanks from coils need to be cut precisely and efficiently. As the requirements for these cuts become more and more demanding, traditional methods like punching are reaching...
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...
Photoacoustic Probes Enable Deep Brain Tissue Imaging
HEIDELBERG, Germany, Sept. 2, 2024 — A molecular engineering spearheaded by two groups at the European Molecular Biology Laboratory (EMBL) has developed an approach to create photoacoustic probes for neuroscience applications. Scientists can learn more about biological processes by...
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...
High-Resolution OCT Imaging Improves Ear Disease Diagnosis
LOS ANGELES, Aug. 28, 2024 — A portable device that integrates optical coherence tomography (OCT) with traditional otoscopy can provide clinicians in hearing clinics with images of the interior of the tympanic membrane, or eardrum, and the middle ear, in addition to standard...
Computational Temporal Ghost Imaging Extends to Mid-Infrared
CHENGDU, China, Aug. 27, 2024 — Ghost imaging in the time domain allows for reconstructing fast temporal objects using a slow photodetector. The technique involves correlating random or pre-programmed probing temporal intensity patterns with the integrated signal measured after...
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...
Coherence Entropy Unlocks Insights into Light-Field Behavior
SUZHOU, China, Aug. 26, 2024 — Environments like turbulent atmospheres or deformed optical systems can distort and disrupt the light field, making it difficult to achieve clear and reliable results. Researchers at Soochow University have uncovered details on how light behaves as...
Lens-Free Fluorometer Can Monitor Water Quality in Low-Resource Settings
PATAN, Nepal, Aug. 23, 2024 — Researchers from the Phutung Research Institute, the University of São Paulo, and the University of York showed that a lensless fluorometer is generally better than a lensed system for monitoring unsafe bacteria levels in water. “This...
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...
Swiss Team Raises EUV Lithography Resolution to 5 nm
WÜRENLINGEN, Switzerland, Aug. 19, 2024 — Researchers at the Paul Scherrer Institute (PSI) have developed a photolithography technique to create denser circuit patterns. The current state-of-the-art microchips have conductive tracks separated by 12 nm. The current work enables tracks with a...
System Mimics Compound Eye for High-Sensitive Robotic Vision
HONG KONG, Aug. 19, 2024 — A research team at the School of Engineering of the Hong Kong University of Science and Technology (HKUST) has developed a novel artificial compound eye system that promises greater cost-efficiency and sensitivity than that of existing market...
Gamma Light, Sound Could Lessen Neurodegenerative Effects
CAMBRIDGE, Mass., Aug. 16, 2024 — An MIT study shows how 40 hertz (Hz) sensory stimulation with light and sound helps sustain myelination, an essential process in the brain that insulates the signal-sending branches of neurons, called axons, with protective myelin sheaths. Often...
Integrated Photonics Shrinks Down GPS-Free Navigation Tech
ALBUQUERQUE, N.M., Aug 15, 2024 — Scientists are attempting to make a motion sensor so precise it could minimize the nation’s reliance on global positioning satellites. Until recently, a sensor of this caliber — a thousand times more sensitive than today’s...
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...
Adaptive Sensors Optimize Indoor Transmissions for Smart City Networks
TOKYO, Aug. 13, 2024 — Through various information and communication technologies, smart cities provide services like education, medical care, safety, transportation, and utilities. Many of the services that smart cities are expected to provide rely on accurate 3D sensing...
Squishy Lasers Could Reveal Secrets of Cell Growth Origins
ST. ANDREWS, Scotland, Aug. 12, 2024 — Researchers at the University of St. Andrews and the University of Cologne have developed lasers that they have described as “squishy.” These devices could help solve the biological mysteries behind the development of embryos and...
Specialty Fibers Rise to the Challenge of Quantum Data Transfer
BATH, England, Aug. 8, 2024 — Quantum technologies promise unparalleled computational power, leading to the development of new medicines and unbreakable cryptographic techniques for secure communications. But achieving seamless, low-loss integration between quantum network...

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