Articles tagged with Applied Physics
A team at Polytechnique Montréal has developed a new material that enables direct light processing on silicon chips, reducing the need for signal conversion and amplification. This breakthrough could help sustain the next wave of AI at scale by giving light a larger role in data processing.
A novel thermal transport phenomenon is discovered in an actively controlled system, where heat continuously accumulates towards one boundary, forming a robust temperature localization profile. The phenomenon exhibits remarkable robustness against external disturbances and topological transitions.
A new framework combines a custom-built training dataset with transfer learning to improve the detection accuracy of small and distant objects in omnidirectional videos. The proposed model achieved an overall accuracy of 90%, significantly higher than conventional models for small moving objects.
A research team has achieved a major breakthrough in characterizing altermagnets, a newly discovered class of magnetic materials. They successfully visualized magnetic domains in RuO2 using lock-in thermography and the spin-dependent Peltier effect, resolving long-standing challenges in this emerging field.
A new approach enables computers and machines to capture images at higher resolution and faster speed, making it impervious to reflective surfaces. The technology uses a virtual screen created by repurposing the surroundings of specular objects.
Scientists have successfully measured incredibly small amounts of energy using a novel calorimeter technique, achieving a world-first in sensitivity. The breakthrough could pave the way for counting individual photons and detecting elusive dark-matter axions in space.
Researchers developed a compact silicon photonic 'Vernier Caliper' spectrometer with near-uniform resonator responses across a broad wavelength range. The device resolves fine spectral peaks as little as 0.74 pm, outperforming commercial benchtop spectrometers in accuracy.
A global research team developed an 'All-Surface' 3D laser patterning technique to directly draw highly conductive carbon circuitry on transparent glass. This technology overcomes conventional 2D lithography limits, enabling the fabrication of complex 3D interconnected electrodes and redistribution layers.
AiiDAlab simplifies material research and simulations by automating workflow management, analysis, and visualization. Researchers can now focus on gaining new insights without requiring advanced computing skills.
Scientists have successfully demonstrated atomic spin qubit interaction with a single-quantum sound wave, opening up new possibilities for quantum information storage and sensing applications. The experiment uses phonons to interact with atomic defects in diamond, enabling precise measurement of forces and temperatures.
Researchers at TU Wien have demonstrated a remarkable mineralogical mechanism where certain minerals convert CO2 into solid carbonate quickly, mediated by water. This process enables rapid CO2 capture and storage in rocks, potentially solving the issue of atmospheric CO2 removal.
Researchers introduce generalized perfect spatiotemporal optical vortices with topological-charge-independent sizes and fully controllable geometric shapes. The new method achieves higher modulation efficiency and improved energy utilization, exceeding 90%.
Researchers discovered that ultrasoft elastic materials generate a V-shaped wake similar to boat wakes, blurring the distinction between wave behavior on solids and fluids. This finding could lead to new approaches for soft-tissue diagnostics and understanding the properties of natural and engineered soft materials.
Researchers developed a fleet of cooperative robots that, like ants, can spontaneously organize to build and dismantle structures without central control. They identified key parameters needed for excavation and building performance using simple local rules.
Harvard engineers develop new method to preserve long molecular chains in natural rubber, resulting in composite materials that are both stiff and tough. The innovation has the potential to cut waste, reduce tire dust pollution, and open new avenues for high-performance elastomers.
The Harvard-led team demonstrates a micron-scale photonic device that generates two orders of magnitude more UV light on a chip than previous approaches. By converting red light to UV light through frequency upconversion, the researchers create high-power, low-loss, compact UV sources.
Researchers leveraged a surprise discovery to devise a new bioimaging method that captures 3D images of the human blood-brain barrier 25 times faster than existing technology. This technique enables scientists to test whether new drugs for neurodegenerative diseases reach their targets in the brain.
A team of researchers at The University of Osaka has created a wireless EEG transmission system that can operate without external power sources. The system harnesses energy from the temperature difference between the human body and surrounding air, allowing it to function reliably even in hot summer conditions.
The new facility enables scientists to observe and measure detonation forces in unprecedented detail, shedding light on industrial safety risks and potential breakthroughs. Researchers aim to develop safer designs and protocols by examining detonation disasters like the Buncefield Fire.
Researchers at Tokyo University of Science demonstrated a method for manipulating metallic chiral nanoparticles using circularly polarized light. By confining light to an evanescent field near the surface of ultra-thin optical fibers, they selectively transported left- and right-handed particles based on their chirality.
A team of physicists has discovered a way to boost the intensity of high-power laser light, opening up new possibilities for experiments in quantum electrodynamics. The breakthrough uses an unusual process to create extremely bright ultraviolet light, which can be focused into a tiny point creating immense energy concentration.
Salk scientists and collaborators advance visualization technology using visible-spectrum antigen-stabilizable fluorescent nanobodies (VIS-Fbs), reducing background fluorescence by up to a hundredfold. The new probe enables high spatial and temporal precision, allowing for real-time tracking of dynamic changes in living models.
Researchers at Baylor College of Medicine developed new methods to study DNA management in bacteria, revealing that DNA shape and flexibility play critical roles in gyrase activity. The study identifies specific DNA sequences that guide gyrase binding and interaction with the enzyme.
Researchers develop signal-processing method to suppress distortions, achieving 6mm spatial resolution in single-ended Brillouin sensing. This enables early detection of damage or abnormal conditions in aging infrastructure.
Researchers have developed a unified mathematical model explaining two types of 'breathing' solitons in ultrafast lasers, overcoming decades-old puzzle. The new framework accurately predicts complex behaviors and reveals underlying mechanisms.
Researchers at Tohoku University developed an AI-based method integrating physics-based modeling for rapid screening of material candidates. The approach significantly improves accuracy by evaluating basic properties before predicting complex ones.
The device exhibits outstanding performance across a broad optical spectrum, with high responsivity and specific detectivity. Its polarization-sensitive detection capability enables the direct deciphering of light's polarization state without external filters.
Researchers at CU Boulder explore entangled particles for strong, adaptable materials. They found a 'two-legged' particle shape with optimal geometry delivers maximum entanglement, combining strength and toughness.
Researchers develop fluoride-engineered perovskite nanocrystal glass for high-efficiency, full-color emission and ultra-high-resolution holographic displays. The glass matrix enables stable and efficient photoluminescence of PNCs, driving the creation of high-quality dynamic displays.
Researchers have discovered a new understanding of skyrmions, highly stable structures that can be moved with minimal electrical current. This breakthrough has significant implications for nanocomputing and the development of ultra-power-saving devices.
A team at Aalto University has developed a quantum-inspired algorithm that enables the solution of colossal problems in quantum materials. This breakthrough could lead to the creation of new quantum materials for use in quantum computers and dissipationless electronics.
Researchers have successfully created a high-efficiency quantum light source that emits bright lights even at room temperature using 2D semiconductors. The achievement is made possible by confining excitons in a tiny region via nanohole-induced confinement and neutralizing excess charges.
Researchers explore new design strategies for metasurfaces and BICs, enabling scalable light control and efficient optoelectronic platforms. These advances have practical implications for applications in lasing, sensing, nonlinear optics, wavefront shaping, and imaging.
By striking a gold nanorod off-center with an electron beam, researchers created rotating circular polarization in light, a property useful for controlling information encoding and transmission. This simple approach could enable new ways to encode, route, and process information using light.
Researchers at Ohio State University have discovered a new method for controlling superconductivity by manipulating the surrounding environment. By adjusting electron interactions, they were able to switch the material's superconductivity on and off, revealing a simpler way to control atomic power behind superconductivity.
A research team from Tokyo University of Agriculture and Technology has developed a new type of photodetector that achieves impressive responsivity and detectivity. The device uses highly ordered superlattices to overcome the limitations of traditional quantum dot-based photodetectors.
Researchers developed a quasi-dynamic mathematical model to optimize Thermally Integrated Carnot Batteries (TI-CB) under fluctuating conditions typical of factory environments. The study yielded crucial insights, including a clear roadmap for handling off-design fluctuations, bringing Carnot batteries closer to widespread deployment.
The study measures ultrafast electron dynamics in hydrogen molecules, observing oscillations in hole localization that depend on the delay between attosecond pulses. Entanglement occurs at the expense of electronic coherence in the remaining ion.
Researchers from UCSB and UMass Amherst successfully integrated stabilized laser chips with a room temperature trapped ion qubit, enabling compact and portable quantum systems. This breakthrough paves the way for applications in quantum sensing, computing, and fundamental science.
Researchers integrated topological photonics with nanoimprint lithography (NIL) to create a stable nanolaser. The work demonstrated type-III corner states and robustness against fabrication defects.
Researchers at the University of Rochester have developed a squeezed phonon laser that precisely controls individual particles of vibration or sound, allowing for accurate measurements of gravity and other forces. This technology has the potential to create more accurate, 'unjammable' navigation systems without relying on satellites.
Using Distributed Acoustic Sensing technology, scientists deployed fibre-optic cables across the lunar surface to detect seismic waves generated by moonquakes, meteorites, and landings. The cables can record signals at a higher spatial resolution than traditional seismic networks.
Scientists at the University of Warwick have developed a fully fibre-coupled terahertz imaging system that significantly improves the speed and clinical practicality of terahertz imaging. The system delivers near video-rate imaging with high spatial resolution, opening up possibilities for rapid, non-invasive diagnosis.
The journal focuses on advancing scientific understanding and expanding engineering horizons through rigorous peer-reviewed, open-access research. ASI aims to be the preeminent hub for pioneering next-generation scientific tools and fostering global collaboration.
Researchers developed REMINLASER, an airborne instrument that rapidly identifies critical raw materials in mining waste, key to European energy and digital transition. The system is a breakthrough in laser spectroscopy, enabling real-time geochemical analysis of large surfaces.
Researchers at the University of Michigan discovered that nanoscale hotspots in OLEDs can flicker, affecting device lifespans. These hotspots can cause uneven current flow, leading to faster burnout and reduced device performance.
Engineers at Harvard create microcombs on photonic chips, enabling compact, programmable frequency combs for precision measurement and telecommunications applications. The breakthrough makes electro-optic microcombs more practical, energy efficient, and diverse.
Researchers at Nagoya University present six advances in gallium oxide thin-film growth, including a world-first result growing the material on low-cost silicon substrates. The new High-Density Oxygen Radical Source doubles atomic oxygen density, promoting chemical reaction and film growth.
MIT researchers have developed a new photonic device that efficiently beams light into free space, enabling advanced displays, high-speed optical communications, and larger-scale quantum computers. The device uses an array of microscopic structures to project detailed, full-color images and precisely control quantum bits, paving the wa...
Physicists at the University of Colorado Boulder have demonstrated a new kind of vacuum ultraviolet laser that is 100 to 1,000 times more efficient than existing technologies. The device could enable scientists to observe phenomena currently out of reach, such as following fuel molecules in real time as they undergo combustion, spottin...
The Harvard researchers' new device is elegantly designed to be tunable, with a bilayer design that becomes geometrically chiral and able to 'read' chiral light. By using the MEMS device to continuously vary the twist angle and interlayer spacing, the team showed they could tune the device's intrinsic ability to read different chiral l...
A team of researchers from SASTRA Deemed University demonstrates a fiber-based method for compressing mid-infrared laser pulses into ultrashort, low-noise bursts efficiently. The system reduces input power from kilowatts to 80 watts, improving energy efficiency and thermal stability.
Researchers discovered a simple strategy for snakes to stand upright without limbs, concentrating bending and muscle activity into a short boundary layer near their base. This approach reduces energy required while maintaining balance, offering design principles for soft robots and medical devices.
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