Articles tagged with Applied Physics
Researchers demonstrate that internal crystal structure is key in regulating generated light-induced current in 2D organic–inorganic hybrid perovskites. The study reveals a strategy for regulating spin-polarized photocurrents and advancing opto-spintronic technologies.
Researchers developed a compact 0.36-mm² photonic chip for industrial swept-source OCT inspection, achieving high-precision 3D imaging and contactless measurement. The system's sensitivity reached 87 dB and successfully resolved internal structures, with an absolute error of less than 2 μm in thickness measurements.
Researchers create 3D light fields to excite electrons into previously inaccessible quantum states, opening up new avenues for investigating chiral structures and controlling light-matter interactions. This approach could lead to advances in chiral sensing and molecular chirality studies.
Researchers identified fundamental limits on quantum batteries' reliability, balancing power and stable energy delivery. Intermediate-range interactions charging scheme can provide a useful compromise between high power and stable operation.
Researchers demonstrated nonreciprocal dynamic degeneracy splitting in a gyromagnetic photonic crystal, enabling directional transport and imaging. This breakthrough enables structured loss in momentum space to act as a channel-selection rule, pointing toward complex-band dynamical engineering.
Recent progress in chiral organic semiconductors and circularly polarized light detectors is reviewed, highlighting the challenges of balancing chirality and charge transport. The review discusses strategies for material innovation, spectral tailoring, and device engineering to optimize detector performance.
The Optica Foundation has announced the recipients of its 2026 Prizes & Fellowships, recognizing individuals who are making meaningful contributions to the field of optics and photonics. The award winners include researchers and innovators who are working on ultrafast lasers, quantum optics, and biomedical optics, among other areas.
Scientists created a high-bandwidth optical interconnect architecture to address AI computing's growing demands. The O-band silicon photonic interconnect combines wavelength and port multiplexing to enable terabit-scale optical interconnects.
At an oxide interface, an electric field can shift the main constraint on superconductivity from collective coordination to pair formation, enabling island network formation. This discovery was made at a LaAlO3/KTaO3 interface, where superconductivity is confined to a thin layer.
Researchers discovered that tiny wrinkles in graphene can change its electrical properties, revealing flexoelectricity. The team found that the sharpness of the wrinkles was more important than their size, allowing for stronger electrical charge separation and potential applications in sensing and electronic devices.
Researchers at Stanford University have documented the first direct observation of quantum jumps of sound in a mechanical resonator, a long-anticipated breakthrough. The study's findings have the potential to advance quantum computing, sensing, and everyday technologies.
Researchers at Lancaster University have re-examined the 178-year-old mystery of a train delay in Exeter, dating back to 1841, and found it actually occurred in 1848 due to geomagnetic disturbance from the sun. The study shows that space weather has been disrupting technology for almost as long as electrical technologies have existed.
The US National Science Foundation has funded the ZEUS laser facility for another 5 years, enabling new experiments in physics and technology. The facility, run by the University of Michigan, will undergo upgrades, including a larger target chamber and AI integration, to explore quantum and cosmic scales.
Scientists at the University of Groningen discovered a way to harvest extra energy from 'hot electrons' in solar cells, slowing down energy loss to nanoseconds. This breakthrough could lead to more efficient solar cells, exceeding the theoretical 33% limit.
A recent study explores topology imprinting in nonlinear metasurfaces, enabling precise control of light at the nanoscale. This approach can generate complex structured light fields while preserving their unique structures across different wavelengths, paving the way for compact next-generation photonic technologies.
Researchers developed a hybrid photonic platform that achieves wide two-dimensional field-of-view without sacrificing beam quality. The platform uses a light-routing chip, microscopic reflectors, and a metasurface to steer an optical beam in both horizontal and vertical directions.
Researchers created a cellulose-based separator infused with bikitaite zeolite, which enhances lithium-ion transport and stabilizes the lithium-metal anode. The separator improves high-rate performance of the NCM90 cathode, reducing polarization and facilitating electrochemical reactions.
The jETZT project explores new forms of collaboration, sharing research infrastructure and expertise to facilitate innovation and practical applications. Key focuses include shared use of high-quality research equipment, cooperation platform, and standardized procedures to overcome legal and administrative barriers.
Researchers from Shanxi University and Nanjing University demonstrate two-mode squeezed light in the audio-frequency band on a chip, achieving quantum entanglement between generated optical modes. The system enables stable quadrature measurements across multiple frequency channels, paving the way for future chip-scale quantum sensors a...
Distributed Acoustic Sensing enables standard optical fiber cables to detect vibrations, acoustic waves, and dynamic strain over long distances. The review highlights the technology's rapid growth and increasing importance, with applications in geophysics, civil engineering, transportation, and environmental monitoring.
A study developed a design framework incorporating terahertz sensing into plastic packaging design to improve material identifiability. The researchers created prototype soba containers with a balance between identification performance and practical use, while maintaining usability and transport efficiency.
Researchers created 5-nanometer-thick hafnia-based ferroelectric films with strong polarization and stability at 225 °C. The improved grain structure reduces defect accumulation, leading to reliable operation and high-temperature reliability.
The team successfully grew single-crystalline polar wurtzite NbAlN thin films on GaN substrates, preserving the wurtzite crystal structure and metal polarity. This discovery expands the options for designing carrier density in GaN heterostructures, offering a new family of transition-metal-containing polar nitride semiconductors.
Researchers create powerful optical device with layered semiconductor and metasurface, enhancing nonlinear frequency conversion and enabling efficient light mixing and transformation. The device has potential applications in telecommunications, quantum communication, and photonic quantum computing.
A Stanford-led team created a quantum-optical spin glass to increase AI memory capacity. The network, called a quantum-optical spin glass, has a greater capacity to hold and recall memories than traditional AI networks, exhibiting short-term plasticity similar to the brain's synaptic connections.
A new parametric design framework transforms flat paper sheets into self-folding helical sensors that measure biosignals. The approach combines sustainable materials with a simple software-guided design process, enabling rapid production of customized wearable electronics.
UC3M researcher Alberto Vela Martín leads MUST project to develop new LES simulation framework incorporating uncertainty as a core design principle. The project aims to establish a new paradigm for turbulence modeling, embracing uncertainty and predicting complex systems more broadly.
A new adaptive computing architecture is developed to improve forecasting of chaotic systems, such as weather patterns and ocean currents. The system uses a reconfigurable memristor array to change its physical connections, achieving improved accuracy over fixed-topology reservoir hardware.
Harvard researchers have developed a mechanics-based framework to control crumpling on inflatable membranes, enabling the creation of reconfigurable, bistable structures. By locally controlling crumples on the surface, the researchers can tune the stability of the whole structure, giving rise to complex shapes and forms.
Researchers discovered a temperature-locking phenomenon in a bulk organic conductor, where Joule heating raises the sample temperature, giving rise to a resistive-switched state. The material exhibits an inverse Ohm's law, showing an unusual behavior where voltage and current are inversely proportional.
Researchers at Pohang University of Science and Technology have developed a speaker system that can deliver sound to a single listener, using dual-domain metamaterials and a compact ultrasonic transducer. The system achieves highly directional audio generation, focusing sound at the front and blocking parasitic noise at the back.
Researchers from KTH Royal Institute of Technology developed a novel technique to manufacture nanoscale sensors, allowing for mass production in conventional semiconductor plants. The method, likened to uprooting a tree stump, creates nanopores in thin membranes for DNA analysis and molecule detection.
Researchers observed atomic-scale double-slit interference, enabling the measurement of phonon behavior and vibration of neighboring atoms. This technique may contribute to the development of semiconductor materials with efficient heat dissipation.
SEAS researchers demonstrate a unique 'all-mechanical coherence protection' of a silicon-vacancy spin in diamond using continuous mechanical driving fields made of phonons. This approach extends the spin coherence time by roughly a factor of three, establishing the potential for compact, sound-based quantum networks on chips.
A new, simplified amoeba-inspired computing model streamlines information-processing while enabling physical implementation, breaking volume-conservation law constraints. The model enables diverse materials and physical phenomena, solving combinatorial optimization problems with improved efficiency.
A dual-functional single-crystalline layer improves OLED stability by serving as both a stable hole-transporting layer and an effective barrier layer, enhancing device performance and lifetime. The optimized layer demonstrates superior thermal, morphological, and electrochemical stability.
Researchers have discovered a wave-interference effect that makes sound energy appear to outrun fundamental limits without breaking physics. This finding could improve whale tracking by pinpointing the location of whales based on the phase of their calls.
A new material system has been developed to bypass limitations in spin-orbit torque magnetic random-access memory, enabling highly efficient orbital torque-driven magnetic tunnel junctions and solving critical yield bottlenecks.
Researchers have successfully demonstrated a new type of laser that uses a buried dielectric platform to create a non-periodic structure, offering versatility and geometry independence. The innovation could lead to more reliable and better-performing high-performance lasers.
Researchers at CU Anschutz and CU Boulder developed a miniature microscope that allows observing and activating individual brain cells during natural movement. This advancement could accelerate research into brain behavior and neurological diseases.
Researchers explored how the term Busseiron, meaning 'theory of the properties of matter,' became an established discipline in Japan. The study found that its scope expanded over time, absorbing new topics and forming a durable branch of physics.
A feasible scheme is proposed to realize self-healing skin modes in photonic Floquet lattices via local potential at remote end. The researchers demonstrated the skin mode tunability (SMT) mechanism, which can spectrally isolate a specific skin mode and turn it into a self-healing state.
Light-field microscopy (LFM) enables snapshot volumetric acquisition, allowing for faster synchronous three-dimensional information. Recent advances have made LFM practical for high-speed neuroimaging, particularly in calcium imaging and voltage imaging.
Researchers have developed a new photonic architecture that enables scalable spatiotemporal interleaving networks for high-density integrated photonic convolution. The SPIN (Spatiotemporal Photonic Interleaving Network) framework reduces waveguide complexity and increases programmability in wavelength-domain interleaving, enabling comp...
Researchers designed a compact, optically addressed programmable metasurface using VO2-based phase change materials. The device enables pixel-level independent encoding and dynamic generation of THz wavefronts for various applications including zoom meta-lensing, vortex beams, and holography.
Researchers found that smaller crumpled sheets exhibit higher load-bearing capacity than larger ones, with denser internal ridge networks playing a key role. The team identified a universal evolution pathway governing the formation of ridges and junctions under compression.
Researchers at University of Witwatersrand have discovered that quantum information can be kept intact even when transmitted through turbulent environments. This breakthrough enables the use of twisted light to create high-capacity communication networks and ultra-resilient quantum computers.
The study reveals that the amount of available resources determines whether an organism relies on its memory or makes decisions based on current sensory input. Memory becomes most useful when sensory information is moderately uncertain, providing a significant improvement in performance.
Researchers from the University of Toyama developed an OLED that incorporates a crystalline rubrene thin film, achieving higher current density and reduced luminance turn-on voltage. The study suggests that organic crystals with high charge-transport properties can be integrated into practical thin-film OLEDs.
USC researchers have been selected for the U.S. Department of Energy's Genesis Mission to harness artificial intelligence for scientific discovery and innovation. Two projects led by USC will explore ways to develop faster and more energy-efficient computing hardware and better understand the natural concentration of critical minerals.
A team of researchers from Chiba University developed a method to monitor laser ablation in real time by detecting tiny push-back forces during laser cutting. By tracking the recoil force, they can sense depth and detect completion in real time, allowing for precise control over the process.
Researchers at Harvard's SEAS have created unique machine-knitted fabrics that 'snap' between multiple stable shapes, exhibiting multistability. The team embedded fine conductive yarns to create soft, stretchable electric switches that change state as the textile snaps back and forth.
Researchers create collapsible scissored surfaces based on networks of interconnected scissor mechanisms that can transform into curved surfaces. The new approach completes a trilogy of metamaterial design principles: origami (folds), kirigami (cuts), and pantograph lattices (linkages).
Researchers developed a platform to move Dirac points in momentum space, allowing for free sound steering. Two fully passive devices were built: a scanning topological antenna and an angle-tunable Klein tunneling device.
USC is leading a national research team developing AI to predict turbulence, a challenge in physics and engineering that affects technologies daily. The approach could make scientific simulations faster and more accurate, enabling researchers to tackle complex problems.
Two Lehigh University AI projects have been selected for funding from the Department of Energy's Genesis Mission. The RIVER-AI project will improve flood- and water-level prediction, while the REACT project aims to accelerate reactor-scale fusion energy by developing an AI-enabled digital twin. These awards strengthen Lehigh University...
Researchers at Adelaide University developed a laser-based technology to detect toxic methanol in sealed spirit bottles, even through colored glass. The system uses Raman spectroscopy to identify the unique chemical 'fingerprint' of a liquid through its packaging.
Researchers have developed ultrathin, invisible on-skin electrodes that can measure biological signals without altering appearance or social interactions. These new sensors achieve this by closely matching the appearance and texture of natural skin, reducing reflections and eliminating visibility.
The University of Rochester-led NSF STELLAR Engine launches to strengthen US competitiveness in global markets by advancing lasers and laser application research. The project aims to bring New York laser research, development, and manufacturing to a scale that can compete globally.
Researchers developed a technology to stack ultrathin semiconductor chips with improved integration density, overcoming challenges of chip thickness and warpage. The process enables the reliable stacking of over ten chips, potentially leading to significant improvements in AI semiconductor performance.