Articles tagged with Applied Physics
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.
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.
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...
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.
The Global Physics Summit will feature over 12,000 individual presentations on new research in astrophysics, particle physics, and quantum information science. Registered journalists and public information officers will receive daily emails with information during the meeting.
Oregon State University's Experimental Deep Geothermal Energy lab will recreate extreme underground conditions in the lab with Quaise Energy's support. The goal is to learn about superhot rock geothermal energy, which could supply 63 terawatts of firm, carbon-free power.
A research team from HKU has identified a fundamental physical principle called duality symmetry that governs the absorption bandwidth of ventilated systems. This breakthrough leads to the design of a new type of ventilated structure that can absorb over 86% of sound across a wide range of frequencies.
Researchers at Texas A&M University and DEVCOM Army Research Laboratory developed a hybrid foam with a 3D-printed plastic skeleton, offering tunable, lightweight and ultra-durable properties. The composite combines ordinary foam with plastic struts, allowing it to absorb more energy and withstand greater forces.
Scientists at Cambridge University observed ultrafast charge transfer happening within a single molecular vibration, occurring on the natural timescale of atomic motion. The discovery challenges long-held theories about how solar energy systems work and reveals a new pathway to designing more efficient light-harvesting technologies.
Physicists have developed a more accurate method for estimating the impact of calculations that are not performed in high-energy particle collisions. The new approach uses perturbative calculations to reduce uncertainties present in previous simulations.
A team of researchers used high-speed imaging to investigate soft solids sliding on rigid substrates, discovering that squeaking emerges from supersonic detachment pulses. The study found a relationship between surface geometry and the repetition rate of these pulses, impacting frictional resistance.
The Ateneo de Manila University's ROSES Lab is the country's first facility for designing Photonic Integrated Circuits and training PIC designers. The lab has over 85 scientific publications and support from various global partners, positioning it as a driver of international collaboration in photonics research and innovation.
Researchers aim to harness entanglement for high-precision networking, improving measurement sensitivity and resolving finer details. The five-year effort seeks to establish ways to maintain entanglement over time, paving the way for a future quantum internet.
Physicists at the University of Utah have developed a new, streamlined system for generating orbital angular momentum in electrons, allowing for cheaper and more abundant materials. The innovation uses natural symmetry and vibrations of atoms to control electron momentum.
A novel wireless origami-inspired smart cushioning device has been developed to monitor deformation and detect damage to transported goods. The self-folded origami honeycomb device, integrated with passive wireless sensors, can provide real-time information on load conditions and impact.
A new machine learning model interprets leg motion as expended energy, providing a more accurate measure of calories burned. The device has been shown to have double the accuracy of commercial smartwatches and activity trackers.
The Harvard team developed a new microfabrication method to produce high-performance, curved optical mirrors with extremely smooth surfaces. The mirrors can control light at near-infrared wavelengths, enabling fast and efficient quantum networking.
Researchers have developed a new method for cleaning oil spills using massive fire whirls, which can burn through crude oil nearly twice as fast as in-situ fire pools. The results show that fire whirls produce 40% less soot and consume up to 95% of the fuel, leaving fewer harmful particles behind.
Researchers at Technical University of Denmark developed a groundbreaking nanolaser that can halve a computer's energy consumption. This technology has the potential to revolutionize various industries, including information technology and healthcare, by enabling ultra-small and energy-efficient lasers.
Researchers have developed a new design rule to overcome efficiency bottlenecks in all-perovskite tandem solar cells. By utilizing quantitative Silvaco TCAD simulations, the team has elucidated the fundamental physics of the tunnel junction and identified an optimal work function of 5.1 eV for metals like Gold.
A research team developed a fully real-valued optical chip for generative models, allowing for ultra-low latency and high energy efficiency. The innovation uses real-valued optical encoding and nonlinear activation, achieving an accuracy of 98% on iris classification tasks.
Researchers at The University of Hong Kong have made a major breakthrough in controlling light with natural magnetic materials. They achieved negative refraction, a phenomenon that defies the law of physics, using a thin layer of CrSBr to bend light backward or in unexpected directions.
Researchers have developed a device that cuts sample consumption by as much as 97% while producing high-quality structural data for X-ray crystallography. This innovation enables the study of rare proteins and accelerates drug discovery, unlocking new insights into disease mechanisms.
The American Physical Society's Global Physics Summit will feature over 10,000 individual presentations on new research in astrophysics and particle physics. Attendees can book discounted hotel rates near the Colorado Convention Center until February 12 to receive a discount.
A massive Kamchatka earthquake with a magnitude of 8.8-8.9 struck off the peninsula in 2025, rupturing nearly the same region as a 1952 M9-class earthquake. The study estimated fault slip reached 9-12 m across a broad area, substantially exceeding the accumulated slip deficit since 1952.
Researchers have developed a hybrid-phase cooperative dispersion-engineering strategy to unlock independent, dual-spin achromatic wavefront control in a single-layer metasurface. This breakthrough enables truly independent dual-spin control of phase and group delay within a compact platform.
Researchers at Harvard University have developed a new design method for optimizing rolling contact joints in robots, which can lead to better grippers, assistive devices, and more efficient robotic movement. The optimized joints performed spectacularly, correcting misalignment by 99% in knee-assist devices.
A team at Stanford University developed a new optical cavity architecture that enables efficient collection of single photons from single atoms, paving the way for million-qubit quantum computer networks. This breakthrough could lead to significant advances in materials design, chemical synthesis, and medical research.
The RT-FLOW project aims to transform aerodynamic experiments with compact, cost-effective hardware and real-time flow field measurements. It will define requirements for a fast visualization platform and tackle challenges in data-driven spatial resolution enhancement.
A research team at Chiba University has overcome the efficiency trade-off to create organic multifunctional devices that can both light up and power themselves. By precisely controlling exciton binding energy, they achieved low voltage loss and full-color operation across the visible spectrum.
Researchers at the University of Michigan developed a pair of sensors that can detect ice and freezing rain, alerting pilots to potential hazards and reducing crashes. The sensors use microwaves and lasers to detect ice on planes and roads, potentially saving lives by slowing down drivers and preventing accidents.
Researchers at Rice University replicated Thomas Edison's 1879 light bulb experiment, discovering that the carbon filament used in his design could have produced turbostratic graphene. This finding sparks curiosity about what other information lies buried in historical experiments and how modern techniques can reveal new insights.
Researchers at Heriot-Watt University have developed a method to remove unwanted tissues, such as tumors, with high precision using deep-ultraviolet lasers. The study demonstrates 10-micrometre precision with no detectable collateral damage.
Researchers at the University of Nottingham created intricate 3D printed surface textures that preferentially bounce incident particles in particular directions. This helps keep unwanted particles out of the way, allowing useful particles like atoms to be delivered more efficiently.
A new framework models pointing error in QKD optical wireless systems, clarifying its role in degrading secure key generation. The study found that increased beam waist and asymmetrical beam misalignment degrade performance, while increasing receiver aperture size and average photon numbers can improve it.
The researchers developed a technique to accurately measure energy transfer and conversion within the crystal lattice of germanium following ultrafast laser pulses. They observed how energy flows, transfers, and converts into heat, providing new insights for improving electronic device efficiency.
Scientists at SwissFEL have developed a technique known as X-ray four-wave mixing, allowing them to access coherences in matter for the first time. This breakthrough has the potential to illuminate how quantum information is stored and lost, ultimately aiding the design of more error-tolerant quantum devices.
A team from Harvard and University of Lisbon found that silica, a low-refractive index material, can be used for making metasurfaces despite long-held assumptions. They discovered that by carefully considering the geometry of each nanopillar, silica behaves as a metasurface, enabling efficient design of devices with relaxed feature sizes.
A team of researchers at Northern Arizona University discovered that fabricated gold, copper and iron nanocrystals exhibit pentagonal constructs resembling natural snowflakes, governed by emergence dynamics. This phenomenon holds key findings for controlling nanomaterial synthesis and advancing the field.
Scientists have found a way to describe topological states in materials where the particle picture breaks down. The discovery sheds light on a new type of behavior, exhibiting spontaneous Hall effect and quantum-critical fluctuations. This finding opens up possibilities for storing quantum information and developing novel sensors.
The American Physical Society's Global Physics Summit will convene over 14,000 physicists worldwide for groundbreaking research presentations. The event will feature both in-person and online experiences, including scientific sessions, exhibits, and networking events.
Researchers developed a novel thin-film electrolyte design using samarium-doped cerium oxide, achieving record-setting oxide-ion conductivity at medium temperatures. This innovation addresses key technical limitations of existing solid oxide fuel cells, paving the way for widespread adoption.
Studies in topological condensed matter physics suggest that presenting larger sets of data and disclosing full study details can mitigate misleading 'smoking gun' claims. By exploring alternative scenarios, researchers can reduce confirmation bias and increase the reliability of findings.
Researchers at Jeonbuk National University propose hierarchical porous copper nanosheet-based triboelectric nanogenerators, demonstrating efficient energy harvesting and multifunctionality. The devices achieve a remarkable 590% increase in electrical output while maintaining stability over 100,000 repeated mechanical cycles.
Researchers at the Paul Scherrer Institute have successfully implemented mode-locking to generate coherent trains of X-ray pulses with unprecedented temporal structure. This achievement enables attosecond science and opens up new experimental possibilities, including precise timing of phenomena in gases, liquids, and solids.
Researchers developed a locally active memristive oscillator using vanadium oxide that exhibits rich dynamic behaviors and exceptional frequency-domain information processing capabilities. The device operates at the edge of chaos, amplifying small fluctuations to generate self-oscillations and producing complex responses.