Today's Tech News: Notable or Not?

https://phys.org/news/2025-09-nanoscale-optical-device-enables-independent.html "generates entangled photon sources/ other quantum optical systems... device's surface combines quantum wells/ metal nanocavities arranged in pairs with opposite phases... nearly 100% shear horizontal signal intensity modulation depth, full-range phase tunability... lighter, more compact: real-time wavefront shaping, high-speed data encoding, contactless optical switching, entangled photon sources, quantum interference control"

https://phys.org/news/2025-09-device-amplifies-shielding-qubits-unwanted.html "qubits measured by resonator, readout uses weak electromagnetic wave then amplified... no bulky/ magnetic components controlling signal direction/ protecting qubits from backaction noise... lumped-element capacitors/ Josephson junction inductors artificial nonlinear transmission line with parametric modulation amplifying forward signals/ backward traveling signals converted to different frequency, preventing from reaching qubits... compatible with superconducting qubits, which together with amplifier integrated on-chip"

https://phys.org/news/2025-09-proximity-screening-graphene-electronic-quality.html "despite theoretical superiority/ unique Dirac electrons, graphene underperforms gallium arsenide semiconductor heterostructure in high-quality 2D electron systems... disorder from bumpy electron-hole landscape disrupting electron flow, overcome placing flat graphite crystal close to graphene layer, separated by 3 to 4 hexagonal boron nitride atomic layers, graphite acting as gate generating opposite charge canceling out disturbance... less magnetism... quantum computing, high-frequency electronics, precision metrology"

https://www.eurekalert.org/news-releases/1098537 "tungsten layer sandwiched between 2 tellurium layers... super-fast laser creates THz pulses focused onto laser's tip strengthening pulse strength, wiggling top layer of tellurium atoms directly beneath tip gently nudging that layer 7 pm out of alignment from remaining layers, reverting back to normal when laser off... wiggling only occurs on the topmost layer... acts as nanoscale switch to temporarily change electrical properties of WTe2 to upscale the next generation of electronic devices"

https://techxplore.com/news/2025-09-salty-ice-power-source-future.html "streaming flexoelectricity: electricity generation by bending material... salt prevents ice from freezing completely, creates tiny channels filled with salty water, pressure from bending forces liquid flow through channels, electric charge in moving water creates streaming current... ice covers around 10% of Earth's surface so may also be relevant to electrical activity of ice-covered terrestrial regions and distant icy ocean worlds... drawbacks: up to 80% less power after numerous bends, more waste heat than piezoelectrics"

https://www.eurekalert.org/news-releases/1098215 "ferroelectric crystal/ metasurface potential to manipulate light's nonlinear phase faces challenges: complex/ energy-intensive fabrication, static optical systems with fixed properties once constructed... overcome using ion-doped ferroelectric nematic liquid crystals devices with large-area, defect-free polarization patterns, ensuring robust/ reproducible optics... reconfigurable nonlinear Pancharatnam-Berry optics with patterned ferroelectric nematics... thin-film polar inductor/ capacitor with spatially modulated x-y plane alignment"

https://techxplore.com/news/2025-09-tailored-pulsed-power-modulator-bias.html "applies voltage pulling ions within plasma making them collide with semiconductor wafer, enabling etching, removing contaminants, deposition... stores energy at low power over long period, discharging instantaneously at high power controlling etching's depth/ narrowness... bias supplying pulses stably controlled within 2.5 µs duration, discharged at 400 kHz frequency... soft switching reduces power loss >78%... smaller power supplies, higher power density, longer lifespan... addresses heat generation"

https://techxplore.com/news/2025-09-advancing-semiconductor-thermoelectrics-thickness-doping.html "n-type Bi2Te3 thin film dopant/ texture manipulations in physical vapor deposition/ nanobinders in screen-printed processes surpassing 20 μW cm−1 K−2 power factor at room temperature face challenges... VTE@MS-BTS synergistically modulates the Seebeck coefficient, electrical conductivity, thermal conductivity, mechanical flexibility... 30.0 μW cm−1 K−2 power factor at room temperature, enhanced bendability... high performance power generation/ cooling... scalable/ flexible inorganic semiconductors"

https://physics.aps.org/articles/v18/151 "laser pulse generates wave-like surface linearly/ circularly polarized photons in thin semiconductor, passes through 2 antenna arrays redirecting as light... 30-nm-thick silicon dioxide wafer resting on 150-nm-thick silver mirror base... quantum emitter: nm-scale diamond containing some nitrogen atoms paired with carbon vacancies, polariton waves spread out from diamond, passing through many 35-nm-thick silver strips, 200 nm apart, as controllable antennae... future: electrically driven rather than laser emitter so more marketable"

https://www.eurekalert.org/news-releases/1097405 "integrating nanocavity MoS2-BN-graphene-BN-MoS2 heterostructure onto fiber end facet exhibits significantly enhanced saturable absorption properties, reducing pulse splitting possibility under different polarization states in fiber ring cavity, achieving single-pulse generation in 85% of configurations compared to 20% for bare graphene-saturable absorber... compact, robust, eliminates need for polarization controller...  65% reduced saturation intensity which is beneficial for self-starting "

https://www.sciencedaily.com/releases/2025/09/250913232933.htm "trace amounts of magnetic spiral chiral molecular nanohelices (cinchonine or cinchonidine) adsorbed onto metal nanoparticles' surface during metal ion electrochemical reduction achieves spin polarization exceeding ~80%, rare in inorganic systems... when exhibit right-handedness, preferentially allow 1 direction of spin to pass, while opposite spin cannot... chiral spintronics platform, chiral magnetic nanostructure architecture... controls handedness/ number of strands (double, multiple helices)... scalable, energy-efficient spintronics"

https://www.eurekalert.org/news-releases/1095496 "scalar holograms with uniform polarization limits amount of encoded information, overcome with vectorial holograms encoding both intensity/ polarization using less-bulky ultrathin metasurfaces... combines GS algorithm with wave-decomposition calculating scattering properties required for each meta-atom... precise control over reflection phases/ polarization states... high metasurface efficiency (nearly 68%), polarization-independent vectorial holography: imaging, data storage, encryption"

https://www.eurekalert.org/news-releases/1097545 "chirped-period crystal accepts IR from many directions/ converts to visible, upconversion detection suppresses noise enabling low light conditions... 0.20 mm pinhole radius produces sharp details in image targets: 11 to 19 cm away, across all distances at 3.07 μm mid-IR confirming large depth range, up to 35 cm away demonstrating large depth of field, µm-level axial precision... relatively complex/ bulky laser setup should, with further research, become far more compact/ easier to deploy"

https://www.eurekalert.org/news-releases/1097393 "thermodynamically, mechanically, dynamically stable... oxygen atom adsorption on biphenylene sheet induces metal-to-semiconductor transition... 1.14 eV (1.83 eV) biphenylene oxide indirect band gap, 1826 mAh/g (Li), 1065 mAh/g (Na), 913 mAh/g (K) storage capacities, 4218 mWh/g (Li), 1991 mWh/g (Na), 1570 mWh/g (K) energy densities, 0.19 eV (Li), 0.34 eV (Na), 0.07 eV (K) metal diffusion barriers, 0.73 V (Li), 0.84 V (Na), 1.21 V (K) open-circuit voltages, 0.93% volume change (Li) 3.74% (Na)"

https://phys.org/news/2025-09-atom-thin-crystals-power-future.html "more reliable switching between insulating/ metallic states, using less power... attaching different metal electrodes to transition metal dichalcogenides can tip balance between these states... synergy between: electrodes lowering energy barrier that keeps material stuck in 1 state/ tiny atomic vacancies, helping to ease insulating/ metallic phase transitions... learning how to use imperfections which seemed like flaws... low-energy neuromorphic computing, AI, flexible smart wearables"

https://phys.org/news/2025-09-ultra-flat-optic-previously-thought.html "light, 1 µm thick, ultra-flat metalens optic substantially extends camera battery life, but limited by chromatic aberration, overcome using AI-powered computation enabling 1 cm aperture... AI-powered backend takes in data received from optics/ outputs images with lower haze, better color accuracy, more vivid hues, better noise reduction... future: capturing/ working with polarized/ spectral sensing of light to augment human vision... nanoprint lithography metalens fabrication affordable/ scalable... ophthalmology devices"

https://www.eurekalert.org/news-releases/1098105 "uses tree derived rubber eucommia ulmoides gum... CNTs / MXenes integrated into salt-template created 2 mm thick porous foam... low IR emissivity due to MXene/ smooth surface, 0.15 W·m⁻¹·K⁻¹ thermal insulation by trapping air, 49.7 dB shielding effectiveness in X-band, blocking >99.9989 % EMI... absorbs/ releases 36.8 J/g preventing heat buildup... compressive strength 825% higher than pure eucommia ulmoides gum foam, maintains 83.5 % shielding performance after rigorous 12-days under high heat/ humidity" Related: Rational high entropy doping strategy via modular in-situ/post solvothermal doping integration for microwave absorption https://www.eurekalert.org/news-releases/1098222

https://phys.org/news/2025-09-narrow-linewidth-laser-chip-standard.html "topological interface state extended laser with optical injection locking... distributed feedback laser with no hybrid integrations/ bulky external components... indium phosphide semiconductor substrate... chip has 3 regions, each with own optical phase tuned to keep light evenly distributed between them... chip integrated micro-ring resonator enables internal light recycling... easily switchable between optical phases, required in: quantum key distribution underpinning unbreakable encryption, advanced communication devices" Related: Uniting the light spectrum on a chip https://www.eurekalert.org/news-releases/1097748 Synthetic magnetic fields steer light on a chip for faster communications https://www.eurekalert.org/news-releases/1098131

https://techxplore.com/news/2025-09-world-fastest-ultraefficient-silicon-carbide.html "electric flow conversion between systems... smaller, lighter, but with 5X greater energy density... 1200 V, 400-amp, suitable for data centers, power grids, microreactors, heavy-duty vehicles/ aircraft/ military... 7 to 9X lower parasitic inductance. monitors own health predicting component failure... current routed for maximum magnetic flux cancellation... nearly 2D... bonds copper to flexible Temprion polymer... low-latency wireless communication protocol, high temperature tolerance... pulsed power fusion components"

https://www.eurekalert.org/news-releases/1098035 "moves excitons with light/ nano-ridge at room temperature, acts like wire/ switch enabling circuits running on excitons instead of electricity... moves quantum information without losses from moving inherently charged electrons... hard to move excitons since without charge, overcome pulling along physical ridge, exciton equivalent of wire... gate-like flow control with electrodes positioned on either side of ridge... high speed on-chip data transfer links: supercomputers, data centers, AI, autonomous vehicles, digital twins"

https://www.eurekalert.org/news-releases/1097584 "frequency converted up/ down changing input light polarization/ tuned by changing temperature... dichalcogenide crystal combined with chalcogenide anions,,, scalable using silicon chip technology... resonances 1220 nm, 2X that of exciton, to harness the energy... interaction between exciton/ quasi-bound state in continuum resonance on/ off switchable... 2 to 4 orders magnitude enhancement... adaptive camouflage, night vision, biosensing, photon generation for on-chip computing, secure communications."

https://phys.org/news/2025-09-silicon-nanowires-macroscopic-networks-advanced.html "bundled nanowire alignment/ density control significantly increases contact surface between individual nanowires... suspend nanowires in water, then slowly filter liquid via vacuum filtration, causes order, then linking forming paper-like networks... each bundle of around 15 individual self-assembled nanowires with 0.4 nm separation between them... large-scale silicon nanowire production... batteries, sensors, faster electronics, advanced functional materials, liquid crystal devices, photonic fibers, semiconducting textiles"  

https://www.eurekalert.org/news-releases/1097878 "light signals scatter into dead ends/ vanish before reaching destination, overcome using protected topological channel reshaping landscape on the fly keeping light on course, forward only... no bulky magnets... screen plots matched ideal topological band diagram... photonics not bound by electronics' constraints... sturdier lasers, faster data links, light-based chips that don’t get tripped up by imperfections, quantum light state shielding... future: scale to microwave where components larger/ easier to handle"

https://www.eurekalert.org/news-releases/1097680 "math operations performed through light interference mechanisms on mm-scale silicon microchips carried out faster/ using less energy, since no need to digitize information... step forward to make artificial intelligence (which relies on extremely energy-intensive data centers) more sustainable... addresses theme of training, phase in which network learns to perform certain tasks... also enables more sophisticated AI models integrating real-time data processing into portable devices... autonomous cars, intelligent sensors"

https://www.eurekalert.org/news-releases/1097408 "strong ionic bond between hafnium and oxygen atoms exhibits high dielectric constant, superior thermal stability, wide band gap, optimal for ultrathin semiconductors... low-pressure, high-density plasma generation alternately irradiates with N2/ O2 plasmas... 0.023 to 0.107 nm etch depth/ cycle... formation of Hf-N bonds, nitrogen atoms replace surface oxygen atoms when exposed to N₂ plasma, then exposed to O2 plasma causing bond decomposition... after 20 etching cycles, surface roughness reduced 60%"

https://www.eurekalert.org/news-releases/1097587 "simultaneously focuses range of wavelengths from unpolarized source over large diameter... scalable, uses existing semiconductor nanofabrication... for single wavelength optimizes metasurface shapes (rounded squares, 4-leaf clover, propeller) large enough (300 X 1000 nm) to be resonant at longest wavelength without getting diffraction from shorter wavelengths, in both electric/ magnetic dipole, spanning phase shifts from 0 to 2 pi, enabling phase gradient map achieving any arbitrary focussing pattern"

https://phys.org/news/2025-09-core-technology-ultra-high-resolution.html "diazirine structured crosslinker reacts to single UV exposure, activating carboxylic acid functional group to bind to QD surface, forming ultra-fine patterns, achieving 2 μm (6,350 DPI) resolution patterning while also ensuring excellent precision/ stability... then applied PETMP thiol-based compound, passivating surface defects, further improving photoluminescence quantum yield, 10.3% maximum external efficiency, 99,369 cd/m² maximum luminance... displays, AR, VR, micro-QLEDs, transparent devices, image sensors" Related: Quantum dot and polymer cross-linking enables 50% stretch capability for micro-LED displays https://phys.org/news/2025-09-quantum-dot-polymer-linking-enables.html

https://phys.org/news/2025-09-terahertz-faster-electronics.html "light's wavelength not easily confined to small spaces, overcome by squeezing into tiny spaces 100X smaller than their natural wavelength so light can be confined/ guided in nanoscale devices... tiny strips topological insulator epitaxial Bi2Se3 arranged side by side with gaps between them adjusted to: shorten wavelengths 20%, extended attenuation length >50%... lowers momentum, retain energy longer... lightning-fast downloads, more secure networks, clearer, safer medical imaging, more powerful quantum computers"

https://www.eurekalert.org/news-releases/1097522 "convolution AI pattern detection in images, video, text... near 0 energy use... 98% accurate classifying handwritten digits, comparable to traditional electronic chips... 2 sets of miniature Fresnel lenses fabricated using current chip manufacturing etched directly onto chip... machine learning data converted into laser light on chip, light passes through Fresnel lenses, which carry out convolution, result converted back to digital to complete AI task... wavelength multiplexing using lasers of different colors... optical AI computing"

https://www.sciencedaily.com/releases/2025/09/250901104650.htm "heavy fermions, electrons acting as if they carry far more mass than usual, stay entangled at near room temperature, for an amount of time approaching Planckian limit (the shortest time interval measurable in classical physics)... since effect appears at close to room temperature, it might be harnessed in solid-state materials for a new type of quantum computer which can operate at that temperature... control/ manipulation of quantum entanglement in solid-state materials like CeRhSn for novel quantum computing architectures"

https://phys.org/news/2025-09-stretchable-nanofilms-tunable-magnetic-properties.html "overcomes limitations of conventional deposition methods on nanoscale magnetic thin film substrates... deposit magnetic nanofilm, such as cobalt or nickel, onto pre-stretched flexible substrate (greater stretching = stronger embedded magnetic anisotropy), release tension enabling contraction altering nanofilm's atomic spacing... created bilayer structure with perpendicular magnetization directions, for magnetic sensors/ strain gauges... beyond magnets, also superconductors, semiconductors, dielectrics... energy-efficient electronics"

https://www.chinadaily.com.cn/a/202508/26/WS68ad0920a3108622abc9d1fe.html "average helium in China's natural gas fields only 0.03 to 0.05%, far lower than 1 to 7% for international fields... system can operate around the clock, extracting 400,000 cubic meters of high purity helium annually... catalytic dehydrogenation removes hydrogen impurities, followed by membrane separation and pressure swing adsorption eliminating gases such as nitrogen and methane, then ultra-low-temperature refining removing neon"

https://www.eurekalert.org/news-releases/1095497 "interferometer design, potential fabrication using existing silicon-based technologies... conversion/ electro-optic modulation not: complex/ multi-tiered/ energy-intensive... conversion rates up to 186 Gbps, order magnitude faster... in wireless or radar communications can be combined with microwave photodetection converted into radio frequency signals... parallel processing in optical computers, AI"

https://www.eurekalert.org/news-releases/1095796 "highly efficient/ stable pure-red emission... modulates bandgap through lattice distortion but decomposes under high temperature, overcome using hot-injection, acid–base equilibrium between ethylammonium carbonate/ oleic acid survives hot-injection synthesis' harsh conditions... exhibits lattice expansion, reduced defect densities, near-unity photoluminescence quantum yield... tunable emission across 630-650 nm range... 26.1% maximum external quantum efficiency (vs. 9.9), also other quantum dot compositions, ranges"

https://www.eurekalert.org/news-releases/1095464 "high optical efficiency/ compatibility with existing systems, multiple device integration into compact optical platforms, energy efficient... non-Hermitian without need for metals enabling on-chip topological exceptional points within fully all-dielectric environment eliminating Ohmic losses/ suppressing zero-order diffraction background in projection-based AR vector holography enhancing image clarity/ fidelity... wearable AR, multiplexed information storage, optical displays"

https://www.eurekalert.org/news-releases/1097250 "installed dipolar rotors into COFs which have adequate space to flip in response to electric field or heat >200°C, not affected by steric hindrance from surroundings/ orientation, can be held at ambient temperature for long time, near 400°C thermal durability... building blocks: tetrahedral 4-handed molecule, flat 3-handed molecule in which 3 dipolar rotors (1,2-difluorophenyl, DFP)/ 3 aryl groups alternately positioned around central benzene ring... discovered COF sln topology/ shape dimorphism"

https://phys.org/news/2025-09-3d-micro-ion-quantum-tech.html "individual trapped ions as qubits... electrodes arranged around ion doesn't miniaturize well/ weak field since too far away, overcome, fabricated on sapphire substrates using 2-photon laser polymerization for large arrays of miniaturized 3D ion traps with complex geometries without sacrificing scalability/ precision... then metal-coated with either gold or aluminum... confined calcium ions with between 2 and 24 MHz radial trap frequencies, 4X higher than those typically seen... 2-qubit gate with high 0.978 ± 0.012 Bell-state fidelity"

https://techxplore.com/news/2025-09-solar-breakthrough-hotter-panels-storage.html "photoelectrochemical flow cells based on pn+-junction coated with 10 nm Pt layer photocathode, Hg/HgSO4 electrode reference electrode, carbon rod counter electrode... as devices warm up, electrochemical current flow improves due to faster ion movement/ better electrolyte electrolyte conductivity... performance gains strongest at 45°C, before starting to plateau... reduced need for cooling systems"

https://www.eurekalert.org/news-releases/1097164 "details <1 pixel get smeared out across pixel rather than precisely located within it, causing blurred sub-pixel details... overcome using camera motion to produce sub-pixel, gigapixel-scale resolution... movement causes small light points to leave tracks that cross multiple pixels that algorithm uses as extra information to pinpoint exactly where fine details must have been, reconstructing on finer grid... mounted conventional camera to moving stage... photography from moving aircraft, scientific, archival, art"

https://phys.org/news/2025-09-built-brilliance-zintl-phase-quantum.html "optimal bandgap, long carrier lifetime, intrinsic defect tolerance (no need for surface passivation)... fabrication: quickly injecting phosphorus precursor into heated ligand-solubilized mixture containing barium/ cadmium... adjusting temperature during growth controls nanoparticle size for specific light absorption/ color emissions... 21% photoluminescence quantum yield... light absorbing/ electric charge carrying semiconductors for LED lighting/ displays, fiber optics, solar panels, bioimaging, optical sensors"

https://greenstocknews.com/news/nyse/ionq/ionq-breakthrough-in-synthetic-diamond-materials-accelerates-quantum-networking-scale-and-production "high-quality, quantum-grade diamond films allow diamond-based devices to be made using standard semiconductor manufacturing techniques... key component for quantum memory/ photonic interconnects linking quantum computers... also, quantum sensing... allows quantum-grade diamond film bonding onto common substrates like silicon/ silicon nitride... can be incorporated into hybrid, on-chip integration of diamond quantum memory/ non-diamond non-quantum switches, modulators, electronic control layers"

https://techxplore.com/news/2025-09-code-future-scientists-faster-reliable.html "finds/ corrects errors arising from poor signals/ interference but: requires many iterations which creates delays/ lacks efficient decoding algorithms to support hardware implementation with low complexity... overcome using duals of Cordaro-Wagner based codes, along with efficient decoding algorithms... matched performance 5G codes, while: correcting more errors in less time, significantly faster convergence (meaning fewer iterations to correct errors), leading directly to reduction in communication latency"

https://www.eurekalert.org/news-releases/1096991 "error reduction/ fault tolerance performance tested, and compared with using nitride, carbide, or silicide superconducting resonators... on silicon substrates... tested at temperatures near absolute zero, demonstrated high performance, confirming feasibility for realizing low-loss quantum hardware. Loss is a critical measure of hardware quality, with lower values indicating more perfect superconducting devices"

https://www.eurekalert.org/news-releases/1096912 "rooftop flat-plate collectors warm data center’s eco-friendly coolant stream before it reaches organic Rankine cycle compact power system... recovers 60-80% more electricity annually, >8% higher efficiency during sunny peak hours along with increased annual average efficiency, 5.5 to 16.5% cheaper electricity... off-the-shelf technology... behind-the-meter generator that gets stronger when the sun is out, right when cooling loads are highest”

https://techxplore.com/news/2025-09-scientists-superior-gallium-oxide-semiconductors.html "silicon-based pn diodes waste energy as heat... gallium oxide-based electronic devices much more energy-efficient but their diodes require both n-type and p-type layers to function properly... gallium oxide accepts atoms needed to create n-type layers/ rejects atoms required for p-type... overcome with both types working together: shooting nickel atoms into gallium oxide layer, heating at 300°C with activated oxygen radicals and then at 950°C in oxygen gas... standard equipment/ processes, scalable... EVs, renewable energy"

https://techxplore.com/news/2025-09-metal-frameworks-enable-key-greener.html "lighting/display uses rare earth metals such as europium, terbium, yttrium, cerium, gadolinium, consuming 213 billion kWh annually in the US... replaced with stacked MOFs combining 2 types of porous crystals... controlling how components interact... produce same amount of light while consuming far less electricity... simultaneously reduces production costs, ecological impact and energy consumption"

https://phys.org/news/2025-09-hollow-core-optical-fiber-transmits.html "faster light travel through air than silica... record low 0.091 dB/km loss at 1,550 nm, compared to 0.14 dB/km for silica-based... maintains 0.2 dB/km losses over 66 THz with 45% faster transmission speeds, for distances from 700 to over 2,400 nm (tested up to 15 km fibers)... also, at wavelengths currently inaccessible... minimized leakage, surface scattering, microbending... air core surrounded by glass... longer unamplified spans... undersea/ terrestrial cables, high-power lasers/ sensing, waveguides"

https://phys.org/news/2025-09-future-electronics-ultrafast-ferroelectric-properties.html "photoinduced structural dynamics/ time evolution of strain... ferroelectric materials exhibit spontaneous polarization which can be reversed by applying an external electric field, ideal as nanoscale switches... ultra-short, high-energy laser pulses excite electrons, changing polarization in <1 trillionth second... polarization changed significantly 350 fs after laser excitation without barium titanate crystal lattice shifting notably.,, sensing, data processing, energy-efficient information storage" Related: Ultrafast infrared light pulses trigger rapid 'breathing' in thin film https://phys.org/news/2025-09-ultrafast-infrared-pulses-trigger-rapid.html

https://phys.org/news/2025-09-quantum-entanglement-longer-elusive-dark.html "near-total invisibility to emitted light allows entanglement to persist... creating dark states: nanocavity with tuned loss rates balancing coupling strength between quantum dots/ cavity's dissipation... when cavity loss too high, quantum dots act independently without affecting each other/ if coupling sufficiently strong, collective entangled state formed... entanglement lasts up to 36 ns... quantum: ultra-sensitive sensors, memory/ transmission, energy-harvesting technologies based on quantum principles"

https://techxplore.com/news/2025-09-scientists-world-6g-chip-capable.html "11 X 1.7 mm, from 0.5 to 115 GHz replacing 9 radio systems... reconfigurable full-link wireless communications with improved bandwidth, data rates, functionality... broadband electro-optic modulator converts wireless signals into optical, then passed through optoelectronic oscillators to generate required radio frequencies... achieves 6 GHz in 180 μs... commercial 6G network roll out expected 2030... internet, power smart cities"

https://phys.org/news/2025-08-ai-technique-defect-free-arrays.html "quantum systems relying on atoms arranged very precisely in specific patterns... facilitates arrangement of thousands of atoms into arrays, while also ensuring that these arrays are defect-free (no missing atoms)... AI plans simultaneous shift of all atoms in optical tweezer array/ calculates optimal path (hologram for the high-speed spatial laser modulator) to target sites that are missing atoms, moving simultaneously up to 2024 atoms in 60 ms regardless of array size, with precise control over tweezer array position/ phase"

https://phys.org/news/2025-08-high-energy-material-qled-efficiency.html "also reducing electron back-leakage/ surface defects, unlike triphenylamine-based hole transport layer molecular structure's hole mobility/ electron-blocking capability degradation... high 25.7% external quantum efficiency in green QLED devices, 1.46 million hours lifetime (T₅₀ at 100 cd m⁻²) which is 66X longer than conventional devices, demonstrating long-term stability... highest performance among materials in same class... overcomes limitations of conventional materials that have weak molecular bonds"

https://techxplore.com/news/2025-08-artificial-neuron-merges-dram-mos.html "combines dynamic random-access memory with ultrathin semiconductor monolayer molybdenum disulfide-based circuits creating integrate-and-fire neuron... DRAM stores electrical charges in capacitors, electrical charge amounts can be modulated to mimic variations in electrical charge across biological neurons' membrane determining whether inverter triggers electrical bursts... resembling those observed in biological neurons when they fire... also emulates photopic/ scotopic adaptation of human vision... edge computing" Related: A metal-organic framework neuron with dopamine perception https://www.eurekalert.org/news-releases/1097074

https://www.eurekalert.org/news-releases/1095437 "utilizes Mach-Zehnder interferometer arrays... also, microring resonators, each allowing simultaneous multiplication/ bias addition... flexible/ efficient all-optical processing... cross-waveguide coupling allows switching between static/ dynamic temporal tasks... receives inputs from current and previous time steps at separate ports, and output a combined signal using distinct units to avoid crosstalk... dual-path computation single unit doubles processing throughput"

https://phys.org/news/2025-08-laser-technique-boosts-power-individually.html#google_vignette "velocity mismatch causing laser pulses to spread out/ separate in time/ space prevents stable, high-power pulses... overcome using mode multiplexer/ demultiplexer separating mixed beam inside multimode fiber into individual channels, 1 for each mode, enabling dispersion management for each mode independently by adding precise lengths of compensating fiber to each channel... recombine with multiplexer into single beam... beam-shaping capabilities... attosecond light sources, precision fabrication, nonlinear microscopy"

https://www.eurekalert.org/news-releases/1096433 "rare-earth metal ions, photoactive lanthanide-doped upconverting nanoparticles' core, exhibit complex energy levels structure allowing interaction with wide range of wavelengths... excitation with 2 near-IR beams upconverts emission intensity several-fold/ changes to visible... enables visualizing IR beyond standard detectors' sensitivity... IR detection/ its conversion to visible, enhanced microscopy resolution, optical computing"

https://www.eurekalert.org/news-releases/1096422 "as medium for writing digital information, fabricated nanoscale chiral antiferromagnet Mn₃Sn dot device, electrically induced antiferromagnetic rotation enabling fast, high-fidelity spin ordering control... efficient switching with 0.1-ns current pulses requiring no external magnetic field... 1K error-free switching cycles using 2D rotation of the chiral spin structure with an effective inertial mass... antiferromagnets can do what ferromagnets do, and more... semiconductor devices powered by antiferromagnets" Related: New class of X-type antiferromagnets enables sublattice-selective spin transport https://www.eurekalert.org/news-releases/1096406 Interface-controlled antiferromagnetic tunnel junctions offer new path for next-gen spintronics https://www.eurekalert.org/news-releases/1096405

https://techxplore.com/news/2025-08-detector-significantly-energy-consumption-generation.html "improved connectivity, spectral efficiency, service quality, ability of signal detection to dynamically allocate computing resources where most needed... as much as 99% less computational load without sacrificing accuracy, near optimal error rates with significantly lower signal-to-noise ratios for accuracy/ efficiency, better: throughput, computational complexity, transmission power, backhaul traffic"

https://phys.org/news/2025-08-optoelectronics-holograms-smartphone-closer-everyday.html "creates pre-designed image on other side, exploiting light interference whereby light waves create complicated patterns when interact with each other... each meta-atom shaped to control/ slightly modify beam of light passing through, behaving as one holographic metasurface pixel... simpler, compact, cheaper, easier to apply than using lasers... data storage, anti-counterfeiting, smart phones, VR/ AR, communication, gaming/ entertainment, high numerical aperture lenses for optical microscopy/ sensing"

https://www.eurekalert.org/news-releases/1096254 "if you know the noise/ update qubit controls fast enough, it's cancellation is manageable... Field Programmable Gate Array houses the algorithm... enables calibration across all the qubits at the same time with an exponential precision with the number of measurements (in practice, less than 10 measurements)... with the number of qubits going up in the future, we should be able to find good use of our method"

https://techxplore.com/news/2025-08-ai-breakthrough-power-images.html "slow/ energy intensive diffusion generates images from text: AI trained on large dataset of images, repeatedly add statistical noise until image disappears, then when prompted to create image starts with screen full of static then reverses process gradually removing noise until the image appears... overcome using  digital encoder trained on publicly available datasets, spatial light modulator liquid crystal screen imprints pattern onto a laser beam then passed through 2nd decoding SLM turning pattern in laser into final image"

https://www.eurekalert.org/news-releases/1096235 "performance below those gallium arsenide-based, due to electronic disorder, being sensitive to stray electric fields from charged defects in surrounding materials... stacking 2 additional graphene layer ultra-thin electrostatic screens, with large relative twist angle ensuring layers electronically decoupled while separated <1 nm, 1 layer then doped to act as metallic screen suppressing charged impurities by order magnitude... other layer hexagonal boron nitride... sensing, quantum metrology, high-speed electronics/ computers"

https://www.eurekalert.org/news-releases/1096067 "overcomes trade-off between driving efficiency (more miles per charge) and reducing torque ripple (minimizing vibrations that are uncomfortable/ reduce vehicle's lifespan)... Teamwork Optimization Algorithm adjusts at millisecond speed with minimal computational overhead motor's magnetic flux for optimal performance under any driving conditions... energy consumption reduced up to 15%, torque ripple decreased 40%, total harmonic distortion decreased 35%"

https://www.eurekalert.org/news-releases/1095917 "digital semantic communication foregoing massive codebooks via temperature-controlled concrete distributions, exhibiting improved efficiency/ user experience... outperforms vector quantization-based baselines in terms of structural similarity index/ peak signal-to-noise ratio parameters... no exponential codebook complexity enables large AI models with AI built into every small component, for: factories using ultra-dense machine-type communications, fully autonomous factories, swarms of low-power IoT sensors"

https://www.eurekalert.org/news-releases/1096100 "transverse thermoelectrics generate voltage drop perpendicular to heat flow direction... when material has more oxygen vacancies, entropy difference inside becomes larger, driving electric charges to flow more strongly along temperature gradient, making electricity generation more efficient... vacancies slightly distort material’s crystal structure, causing some straight-flowing charge flow to shift sideways increasing transverse thermoelectric efficiency... no complex/ expensive new materials... applies to many thermoelectric materials"

https://www.eurekalert.org/news-releases/1095898 "microstructural design strategy for crack-initiation-resistant material also improves fatigue limit in steels generally... key is suppressing crack initiation rather than termination... fatigue crack initiation in high-strength steels is caused by elastic strain mismatch in loading direction at grain boundaries... better than conventional method of heat treatment that inevitably sacrifices tensile strength... goal is to improve feasibility of ultra-high-strength materials"

https://phys.org/news/2025-08-3d-superconductor-soft-approach.html "deposited during 1-step 3D printing: self-assembles before being heat-treated into porous crystalline superconductor... at the atomic scale, atoms line up into a crystalline lattice; block copolymer self-assembly directs mesostructured lattice formation; 3D printing macroscopic lattices, including coils/ helices... printed niobium-nitride material superconductor with 40 to 50 Tesla magnetic field (future: titanium nitride)... compound superconductors in quantum devices, superconducting magnets such as those used in MRI"

https://www.eurekalert.org/news-releases/1095924 "array of 10 quantum memories created using praseodymium-doped crystal cryostat cooled to 3 K, allocating 250 storage slots each storing photon with on-demand retrieval... stores ever more photons until large entangled quantum state formed, then quantum operations begin... advances quantum repeaters that switch to another memory cell if no success with original... future: fully exploit time-multiplexed quantum memory arrays by storing entanglement, increasing: efficiency, storage time, number of memory cells"

https://www.eurekalert.org/news-releases/1095490 "spintronics consume less power/ more non-volatile, but now, using spin losses as energy to induce magnetization switching enables ultra-low power spintronic devices... natural loss of spin allows magnetic materials to spontaneously switch their internal magnetization direction without external stimuli... the greater the spin loss, the lesser the power required to switch magnetization, increasing energy efficiency up to 3X... scalable, compatible with existing processes... ultra-small/ low-power AI semiconductor devices"

https://www.eurekalert.org/news-releases/1095776 "De Gennes' superconducting switch: superconductor sandwiched between ferromagnetic insulators, net magnetic exchange field controlled through ferromagnetic layers' magnetic orientation... shifts in superconducting critical temperature lower than predicted so superconductivity not completely suppressed, overcome using: europium sulfide insulating ferromagnet, niobium superconductor, additional gold layer in-between boosting induced large proximity exchange field... non-volatile superconducting RAM"

https://techxplore.com/news/2025-08-meta-ultra-thin-flat-panel.html "smaller/ more energy efficient lasers promise superior brightness... cm-scale photonic integrated circuit (no bulky parts) integrated with 5X5-mm liquid-crystal-on-silicon panel... 1/8th thickness of conventional liquid crystal on silicon displays, much wider color range... integrates nanophotonics with display technologies... slim-panel 3D holography, more immersive AR glasses merging virtual images with real-world... future: enable light adjustment for specific image areas, eliminate laser induced grain. speckle" Related: Twisting light: UNamur and Stanford collaborate on breakthrough in photonic devices https://www.eurekalert.org/news-releases/1095450

https://phys.org/news/2025-08-high-fidelity-entangling-gates-remote.html "limitations of frequency crowding/ difficulty controlling or measuring several qubits, overcome with first distributed quantum computing utilizing direct 2- qubit entangling gate between 2 remote quantum chip processors, with high fidelity... potentially also enables quantum LDPC error correction codes... microwave cable wire-bonded onto each chip to enable plug-in and play, allowing substituting one of the chips without taking the whole system off the dilution fridge... future: 100- qubit entangling gate"

https://techxplore.com/news/2025-08-ai-method-reconstructs-3d-scene.html#google_vignette "generalizes well across new images or different scenarios/ extracted patterns traditionally difficult to interpret... gradually adjusts model's internal parameters... solve vision tasks, such as tracking, as test-time optimization problems... new datasets not needed for training on... compares rendered image with real observed image, backpropagating difference through differentiable rendering function/ 3D generation model to update its inputs... provides 3D explanations of its perceived world... robotics, autonomous driving"

https://www.eurekalert.org/news-releases/1095123 "MgO/Fe(001), widely used in spintronics, as an insulating film can host stable spins since they lack conduction electrons... oxygen coating on Fe(001) provided atomically flat substrate for epitaxially growing flat MgO film using chemical vapor deposition in ultra-high vacuum, then adsorbed CuPc molecule on top... insulating layer keeps spin stable... observed zero-bias peak emerging via indirect coupling of isolated spin/  Fe(001) substrate conduction electrons, showing insulating films can support isolated spins' formation"

https://www.eurekalert.org/news-releases/1092665 "hardness/ brittleness makes shaping difficult, solved using vat polymerization: layer by layer 3D printing using light cured liquid resin... added: silica improves quality, methyl-phenyl-polysiloxane improves strength... compressive/ bending strengths comparable to 1,400℃ sintering, high specific strength, low density... formation of silicon carbide oxide phase, filling gaps between printed layers, for better bonding/ reduced anisotropy... avoids need for non-silicon binders... ceramics survive extreme environments" Related: Unlocking ceramic 3D printing for next-generation chemical reactors https://www.eurekalert.org/news-releases/1098725

https://phys.org/news/2025-08-defect-carrier-gan-based.html "energy loss/ reduced LED performance when electrons cool significantly slower than holes... relaxation time reduced from 8.61 to 0.15 ps, comparable to holes (0.12ps)... strengthened electron-phonon coupling, further accelerating carrier cooling... continuous band structures/ strong nonadiabatic coupling, enabling ultrafast electron relaxation... defects outside trapped electrons did not improve cooling... mitigates sub-10% carrier quantum efficiency, improving UV LED efficiency... also controlling semiconductor properties"

https://www.eurekalert.org/news-releases/1095494 "broadening achromatic bandwidth/ increasing aperture size, functional operation extension into IR/ UV using nonlinear materials... dual-metalens systems: vertically stacked enables more flexible aberration control/ varifocal systems, laterally aligned mimics human visual mechanism with binocular metalens demonstrating intelligent depth sensing... 3D reconstruction integral imaging, precision measurement light-field imaging, quantum light sources generating high-dimensional/ multi-photon entangled states"

https://www.eurekalert.org/news-releases/1095581 "spin encoded information decays quickly, overcome by bending 2D molybdenum ditelluride, enabling persistent spin helix texture preserving state even when electrons scatter/ collide with atoms... 2D material is bent, top stretches/ bottom compresses, causing positive/ negative charges to shift slightly relative to each another, producing flexoelectric polarization, spin-up/ spin-down electrons split into distinct bands... at highest curvature, spins exhibit helix shape/ flip between up/ down... compact/ efficient electronics"

https://phys.org/news/2025-08-calcium-ions-entangled-photons-scalable.html "prototype: node using string of 10 calcium ions in quantum computer... also applicable to quantum sensors... adjusting electric fields, ions placed 1 by 1 into optical cavity, then, finely tuned laser pulse triggered emission of single photon whose polarization entangled with ion's state... stream of photons, each tied to a different ion-qubit in register... 92% entanglement fidelity... scalable: registers potentially linking hundreds of ion-qubits to individual photons, connecting entire quantum processors across continents"

https://phys.org/news/2025-08-zigzag-graphene-nanoribbons-configuration-tomorrow.html "individual metal ions are anchored to center of porphyrin molecules' organic ring, by baking at several hundred °C under ultra-high vacuum while sitting on gold surface, forming nm-long chains... then these porphyrin molecules docked along edges of graphene ribbon backbone at regular intervals alternating between ribbon's left/ right sides... spin-carrying electrons in metal center stay localized on metal atom/ corresponding electrons in graphene ribbon spread out along both edges... electrical/ magnetic conductor"

https://www.eurekalert.org/news-releases/1095273   "multiple chemical reaction steps carried out 1 after another creates significant overhead, overcome synthesizing complex molecules in 1 step without needing to isolate intermediate products/ change catalysts... linked 2 reactions: ring-forming step acting on initial reactants producing intermediate compound, oxidation reaction adding oxygen producing final compound... catalyzing either reaction flips cerium to other oxidation state... gets high yields under mild conditions... pharmaceuticals, functional materials"

https://www.eurekalert.org/news-releases/1095100 "3D printers produce only rough 3D structures... mimicking way pinecone’s scales bend outward releasing seeds... record 3D length-to-thickness ratio, helices, concave/ convex mirrors with <1 nm variation... micro-zoom lenses replacing 5 separate cameras in smartphones, microphotonic using light instead of electricity... <2 ms: 1 side heated with laser, glass liquifies, surface tension becomes stronger than gravity, glass pulled into fold where laser hits... bend sheets up to 10 µm thick, fine control down to 0.1 μrad"

https://www.eurekalert.org/news-releases/1095165 "complex laser array at room temperature holds single atom in Paul trap... vibrations controlled/ utilized producing complex Gottesman-Kitaev-Preskill code, translating smooth, continuous quantum oscillations into clean, digital-like discrete states, making errors easier to spot/ fix... entangling 2 of these quantum states as qubits creates logic gate, enabling large-scale, highly hardware-efficient quantum-information processing... quantum logic gates with a reduced physical number of qubits, increasing their efficiency"

https://www.eurekalert.org/news-releases/1095381 "detect signals thousands times stronger than existing quantum sensors... works across wide classes of proteins/ systems... directly measures quantum properties inside living systems... doesn’t yet rival diamond defect quantum sensor sensitivity... opens new frontiers for advancing quantum technology: quantum-enabled nanoscale MRI... ability to watch biology unfold at quantum level: protein folding, enzyme activity, earliest disease signals"

https://www.eurekalert.org/news-releases/1095333 "high temperature/ pressure (>100 MPa) sintering often results in uneven distribution of porosity throughout magnetic material with high porosity at the center/ rare earths very reactive to oxygen... new method uses friction stir consolidation: alloy powder placed in pressurized (<1MPa) chamber, stirred with rotating tool, powder sintered into solid eliminating porosity without melting alloy... frictional heating from particles rubbing together fuses powder without pockets/ bubbles forming, uniform throughout... less oxidation"

https://phys.org/news/2025-08-quantum-device-amperes-volts-ohms.html "integrates 2 quantum systems, quantum anomalous Hall resistor/ programmable Josephson voltage standard, into 1 cryostat providing low-temperature for both to operate effectively... material performs quantum functions without magnetic field... measurements using quantum mechanics principles far more precise than standard measurements... measured voltages from 0.24 to 6.5 mV, amperes, ohms with very little error... spur innovation in topological material systems, cryostat design/ engineering"

https://techxplore.com/news/2025-08-powered-photodetector-sensitivity-boost-device.html "silicon semiconductors have low light responsivity, and 2D semiconductor MoS₂ too thin for doping, overcome using: van der Waals bottom electrode making semiconductors extremely sensitive to electrical signals without doping, partial gate structure applying electrical signal only to part of 2D semiconductor, controlling 1 side to behave like p-type and other like n-type... operates without electricity in environments with light source... wearables, biosignal monitoring, IoT, autonomous vehicles, robots"

https://phys.org/news/2025-08-ultra-thin-materials-optical-vortices.html   "carry more information, faster, ultra-secure... expensive/ complex manufacturing/ bulky crystals overcome using: hexagonal boron nitride or molybdenum disulfide, shinning circularly-polarized laser through layers stuck to each other through van der Waals force... birefringence converts almost half incoming light into twisted beams, enabling additional informational encoding dimension... future: improve conversion efficiency, compatibility with existing communication/ satellites, integrate into larger optical systems"

https://www.eurekalert.org/news-releases/1094807 "spectrum handles 10X more data, but easily blocked, overcome using machine-learning shaping transmissions to bending around obstacles/ neural network rapidly adjusting to complex/ dynamic environment... scanning for best path doesn't work for bendable transmissions since infinite ways of curving... learn using neural net training virtually for different obstacles/ environments, using little data... ultra-fast, reliable wireless connectivity for immersive virtual reality, fully autonomous transportation"

https://newatlas.com/materials/breathing-crystals-oxygen-fuel-cells/   "durable, efficient electricity production... heated to relatively low temperature of about 752°F (previously much higher temperatures, for oxygen control)... replaces other materials that were too fragile to use repeatedly... smart materials that can adjust in real time... clean energy, electronics, even eco-friendly building materials... in addition to fuel cells, can be used in: thermal transistors that control heat transfer in electronics, smart windows for adjusting heat flow as needed to maintain indoor temperatures"

https://www.eurekalert.org/news-releases/1095088 "no complex/ moving parts or need for multiple antennas... auxetic metamaterials, withstand more than 10K compressions... frequency at which antenna is most efficient shifts due to its shape changes which can be captured for sensing, such as monitoring respiration as part of a wearable... also: tool lets users design/ produce metamaterial antennas for specific applications... biomedical wearables, curtains that adjust lighting, noise-cancelling toggling headphones, motion tracking, sensing for A/R, wireless communication"

https://www.eurekalert.org/news-releases/1095070 "overcomes trade-off of qubit: need to be isolated from its environment to reduce decoherence/ need to be driven as fast as possible (analogy: classical bits' clocking) requiring strong interaction with environment... exploits certain kind of spin-orbit coupling: influencing how accelerator driving qubit reacts/ reducing qubit's sensitivity to environmental disturbance... 4X increased qubit coherence time, 3X faster drive, relatively warm 1.5°K instead of <100°mK requiring less energy/ works without need for rare helium-3"

https://www.eurekalert.org/news-releases/1094073 "AFM controls operating force, speed, trajectory of manipulation of targets down to tens of nm... couples microlens to end of AFM probe cantilever, depositing diamond tip using focused ion beam... >10X increased resolution, real-time non-destructive optical tracking/ synchronous manipulation of 200-nm silver nanowires... >50% improved manipulation accuracy, 200% increased operational efficiency... biosensing, nano-optics, semiconductor device/ micro/ nano manufacturing, nanoparticle/ biomolecule handling"

https://www.ainvest.com/news/enertopia-oxyhydrogen-mobile-lab-game-changer-clean-energy-transition-2508/ "200-square-foot lab: generates using electrolyzer, stores, utilizes oxyhydrogen... water recycled back into electrolyzer... water heating, heating via hot air, air conditioning... safer alternative to propane: sealed hydrogen burner/ intelligent flashback arrestor... mobile lab is a prototype for larger residential, commercial, industrial deployments... expanding IP portfolio... future: releasing BTU/ flow rate test results, 3rd-party validation, regulatory hurdles, scaling, securing partnerships"

https://www.devx.com/experts/zero-heat-transistors-could-revolutionize-computing/ "ultra-thin silicon layer on insulator CMOS technology – an approach already widely adopted in automotive and wireless industries... no bulk silicon, exotic materials or complex manufacturing processes... suitable for extreme temperature variations in space operations... allows control electronics to be placed directly inside cooling system simplifying quantum computer design and enabling scaling to larger numbers of qubits... future: mass production, lower initial costs of cryogenic systems"

https://phys.org/news/2025-08-energy-efficient-ultracompact-laser-loss.html#google_vignette "laser cavity combines flat-band with multi bound states in the continuum... periodic daisy-shaped air holes arranged in semiconductor photonic crystal sandwiched between 2 gold layers... scaling spacing between atoms in photonic crystal enables more wavelength types such as near-IR, visible... highly focused beam with minimal divergence... integrated optoelectronic devices, high-speed wireless communication, wearables, optical computing, data centers, medical imaging, advanced sensors"

https://techxplore.com/news/2025-08-lapse-video-easy-camera-pocket.html "data collection outside in uncontrolled settings... align/ visualize growing dataset, correcting for slight inconsistencies in how pictures were taken... time splatting reconstruction method matches sun positions, local GPS coordinates/ weather data for each photography session, transitions between seasons... re-light from sunrise to sunset, change shadow locations/ daytime lighting to nighttime or vice-versa... finished product: turning into panoramic time-lapse video... field sciences, construction, health care monitoring"

https://news.ssbcrack.com/researchers-achieve-meron-spin-textures-in-momentum-space-using-micro-structured-materials-for-light-control/#google_vignette "interactions between topology/ light... hidden properties make bound states in the continuum ideal platforms for topological light field manipulation... etching periodic holes into a photonic crystal slab dielectric film, which when hit with monochromatic circularly polarized laser, generates stable meron skyrmionic light field textured spin orientations... this straight-forward method requires no alignment... optical: information processing, measurement gathering, quantum devices"

https://www.eurekalert.org/news-releases/1094838 "tunable, scalable, retains chiroptical properties >100 days at room temperature, withstanding repeated thermal cycles without degradation... electric field vector rotating around propagation direction enables spin/ polarization emitted photon control... emitting colors (especially red) reliably enabled using supramolecular structures, made by molecular hierarchical co-assembly into larger, ordered forms... chiroptoelectronics, sensors, information technology/ spintronics, data encryption, 3D displays, quantum photonic circuits"

https://www.eurekalert.org/news-releases/1094837 "quantum orbital Hall effect in tuneable transition metal oxide strontium ruthenate... causes electrons to move as determined by orbital angular momentum... defect engineering simultaneously boosts both orbital Hall conductivity and orbital Hall angle, a stark contrast to conventional spin-based systems... scattering processes that typically degrade performance, extend orbital angular momentum lifetime, thereby enhancing orbital current... tailored conductivity modulation yielded 3X improved switching energy efficiency"