Articles tagged with Optoelectronics
Comprehensive exploration of living organisms, biological systems, and life processes across all scales from molecules to ecosystems. Encompasses cutting-edge research in biology, genetics, molecular biology, ecology, biochemistry, microbiology, botany, zoology, evolutionary biology, genomics, and biotechnology. Investigates cellular mechanisms, organism development, genetic inheritance, biodiversity conservation, metabolic processes, protein synthesis, DNA sequencing, CRISPR gene editing, stem cell research, and the fundamental principles governing all forms of life on Earth.
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Comprehensive investigation of human society, behavior, relationships, and social structures through systematic research and analysis. Encompasses psychology, sociology, anthropology, economics, political science, linguistics, education, demography, communications, and social research methodologies. Examines human cognition, social interactions, cultural phenomena, economic systems, political institutions, language and communication, educational processes, population dynamics, and the complex social, cultural, economic, and political forces shaping human societies, communities, and civilizations throughout history and across the contemporary world.
Fundamental study of the non-living natural world, matter, energy, and physical phenomena governing the universe. Encompasses physics, chemistry, earth sciences, atmospheric sciences, oceanography, materials science, and the investigation of physical laws, chemical reactions, geological processes, climate systems, and planetary dynamics. Explores everything from subatomic particles and quantum mechanics to planetary systems and cosmic phenomena, including energy transformations, molecular interactions, elemental properties, weather patterns, tectonic activity, and the fundamental forces and principles underlying the physical nature of reality.
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Study of the practice, culture, infrastructure, and social dimensions of science itself. Addresses how science is conducted, organized, communicated, and integrated into society. Encompasses research funding mechanisms, scientific publishing systems, peer review processes, academic ethics, science policy, research institutions, scientific collaboration networks, science education, career development, research programs, scientific methods, science communication, and the sociology of scientific discovery. Examines the human, institutional, and cultural aspects of scientific enterprise, knowledge production, and the translation of research into societal benefit.
Comprehensive study of the universe beyond Earth, encompassing celestial objects, cosmic phenomena, and space exploration. Includes astronomy, astrophysics, planetary science, cosmology, space physics, astrobiology, and space technology. Investigates stars, galaxies, planets, moons, asteroids, comets, black holes, nebulae, exoplanets, dark matter, dark energy, cosmic microwave background, stellar evolution, planetary formation, space weather, solar system dynamics, the search for extraterrestrial life, and humanity's efforts to explore, understand, and unlock the mysteries of the cosmos through observation, theory, and space missions.
Comprehensive examination of tools, techniques, methodologies, and approaches used across scientific disciplines to conduct research, collect data, and analyze results. Encompasses experimental procedures, analytical methods, measurement techniques, instrumentation, imaging technologies, spectroscopic methods, laboratory protocols, observational studies, statistical analysis, computational methods, data visualization, quality control, and methodological innovations. Addresses the practical techniques and theoretical frameworks enabling scientists to investigate phenomena, test hypotheses, gather evidence, ensure reproducibility, and generate reliable knowledge through systematic, rigorous investigation across all areas of scientific inquiry.
Study of abstract structures, patterns, quantities, relationships, and logical reasoning through pure and applied mathematical disciplines. Encompasses algebra, calculus, geometry, topology, number theory, analysis, discrete mathematics, mathematical logic, set theory, probability, statistics, and computational mathematics. Investigates mathematical structures, theorems, proofs, algorithms, functions, equations, and the rigorous logical frameworks underlying quantitative reasoning. Provides the foundational language and tools for all scientific fields, enabling precise description of natural phenomena, modeling of complex systems, and the development of technologies across physics, engineering, computer science, economics, and all quantitative sciences.
Researchers develop versatile molecular platform to synthesize multiple functionalized carbon nanohoops, exhibiting high circularly polarized luminescence and other advanced photophysical properties. The breakthrough method enables multi-site functionalization and creation of chiral nanohoops with remarkable optical performance.
Researchers introduce a novel fabrication technique to create high-resolution, low-resistance graphene electrodes for transparent and flexible devices. The method achieves exceptionally low electrical resistance and high pattern fidelity without etching-induced defects or chemical contamination.
A nanostructure composed of silver and an atomically thin semiconductor layer can be turned into an ultrafast switching mirror device, displaying properties of both light and matter. This discovery could lead to dramatically increased information transmission rates in optical data processing.
Researchers introduce a novel calculation approach to achieve high-quality holographic imaging in vehicle head-up displays. The 'zoom lens' method reduces computation time by 58% and eliminates zero-padding, enabling seamless virtual and physical reality.
Researchers developed a bio-inspired neuron platform that processes and learns information using light and electronics integrated on a single platform. The chip achieves 92% image recognition accuracy and demonstrates key synaptic behaviors found in biological learning.
Researchers introduce a universal, nondestructive direct photolithography method for QD patterning, enabling precise control over fragile surface chemistry. The study demonstrates high-resolution patterns exceeding 10,000 pixels per inch and boosts device efficiency.
Researchers at Paderborn University and TU Dortmund University have developed materials smaller than the wavelength of light and precisely manipulated photons. They created quantum light sources for quantum computing and ultra-fast communication, as well as low-temperature electronics to control quantum experiments.
Researchers propose a new design approach for intracortical electrodes that can record from many neurons at once without damaging them. The authors outline various manufacturing approaches, including advanced silicon micromachining and thermal fiber drawing, to create flexible devices with low stiffness.
L. Jay Guo, University of Michigan professor, recognized for scalable nanopatterning technology enabling next-gen flexible electronics and structural color applications. His work has attracted interest from major companies like Samsung and Toyota.
Synchrotron radiation sources provide a toolkit for characterizing quantum materials and devices, enabling precise control over quantum systems. Key methods include non-destructive imaging and X-ray diffraction.
Low-dimensional halide perovskites offer unique light-matter interactions, enabling advanced optoelectronic functionalities. The review highlights emerging device applications, synthesis strategies, and dimensional engineering for enhanced optoelectronic performance.
Scientists at Institute of Science Tokyo developed an automatic and adaptive LED-based optical wireless power transmission system that can efficiently power multiple devices without interruption. The system overcomes limitations of traditional OWPT systems by adapting to varying lighting conditions and ensuring stable power delivery.
Scientists have achieved control over the atomic structure of perovskites, creating a finely tuned energy sandwich that could transform how solar cells, LEDs, and lasers are made. The new method enables precise control over the thickness of films and interaction between layers, paving the way for scalable and high-performance devices.
Researchers developed a new methacrylate-based 'ink' that carries redox-active carbazole groups, enabling electrically conducting and color-changing materials. This allows for the creation of complex structures with reversible and pixel-level control.
Researchers have demonstrated a record-breaking 430 terabits per second (Tb/s) optical transmission using a novel approach that triples the capacity of standard-compliant cutoff-shifted optical fibers. The technology offers high throughput with reduced complexity, while utilizing existing optical fiber infrastructure.
Researchers at the Institute of Advanced Materials aim to develop sustainable, high-performance lead-free memristors for neuromorphic computing. The MemSusPer project seeks to improve perovskite layer properties and test new materials for enhanced electrical conductivity.
The researchers developed a chromatic filtration strategy to narrow the emission spectrum of mechanoluminescent materials, resulting in high spectral resolution and reduced noise. The new technology has significant potential for applications such as wearable sensors and healthcare motion monitoring.
Researchers at Rice University have discovered that light can trigger a physical shift in atomic lattice, creating tunable behavior and properties in transition metal dichalcogenide (TMD) materials. This effect could advance technologies using light instead of electricity, such as faster computer chips and ultrasensitive sensors.
Researchers develop serial tissue optical clearing methods to image neuro-vasculature of whole organ in mouse, enabling study of larger animal models like pigs and non-human primates. The technique facilitates the study of organ development and disease mechanisms in models closer to humans.
Researchers developed a vertical drawing technique to fabricate intricate micro/nano optical fibers with tailored geometric precision. The approach enables meticulous control over diameter transitions and unlocks new possibilities for manipulating light-matter interactions, including supercontinuum generation.
Optical computing harnesses light to accelerate feature extraction in AI applications. The new system, OFE2, achieves a 12.5 GHz operating rate and 250.5 ps latency, outperforming traditional digital processors.
Researchers at Sun Yat-sen University create a new method for fabricating ultra-uniform surface structures with features as small as 46 nanometers. The technique uses a carefully tuned femtosecond laser under water immersion, overcoming the challenge of creating uniform nanostructures smaller than 100 nanometers.
Researchers develop a scalable, eco-friendly method to isolate 10-μm-thick bamboo green frameworks with high transparency and haze levels. The study offers a promising pathway to sustainable light-management layers for next-generation photovoltaics and optoelectronics.
Researchers at Peking University have created a compact WGM microprobe for high-sensitivity ultrasound detection, achieving a remarkable noise-equivalent pressure of 5.4 mPa/√Hz. The device successfully performed photoacoustic imaging on various samples, including biological and synthetic microparticles.
The USC team created the first optical device that follows the emerging framework of optical thermodynamics, introducing a fundamentally new way to route light in nonlinear systems. The device uses simple thermodynamic principles to guide light naturally, without switches or digital addressing.
Scientists at the University of Tsukuba have created a novel method to control Faraday rotation in conductive polymers by modulating polarons through electrochemistry and magnetic fields. This breakthrough has promising applications in magnetic field sensors and optical communication devices.
A new spinel-type sulfide semiconductor, (Zn,Mg)Sc2S4, has been developed by researchers at Science Tokyo. The material can be chemically tuned to switch between n-type and p-type conduction, making it suitable for pn homojunction devices in next-generation LEDs and solar cells.
Scientists developed a custom Kelvin probe force microscopy system to study the chiral-induced spin selectivity effect in chiral halide perovskites. The study reveals nanoscale 'spin maps' that show the strength and spatial uniformity of the CISS effect.
A new study published in Nature Photonics reveals that virtual charges significantly influence the material's response to ultrashort light pulses. The research, conducted by Politecnico di Milano and other institutions, used advanced techniques to isolate the effect of virtual vertical transitions on monocrystalline diamonds.
Researchers at Chalmers University of Technology have developed new simulation methods using machine learning to understand halide perovskites, a promising material for efficient solar cells. The study provides insights into the structure and behavior of formamidinium lead iodide, helping to address its instability issues.
Rice scientists developed a method to pattern device functions with submicron precision directly into an ultrathin crystal using focused electron beams. The approach created bright blue-light emitting traces that also conduct electricity, potentially enabling compact on-chip wiring and built-in light sources.
A team of researchers developed a new manufacturing process using bio-based solvents to reduce the production cost of perovskite solar cells by half and decrease climate impact by over 80%. AI-based reverse engineering technology was used to identify optimal conditions for efficiency and sustainability.
A new nanostructure acts like a wire and switch that can control the flow of quantum quasiparticles called excitons at room temperature. The transistor-like switch developed by University of Michigan engineers could speed up information transfer or enable circuits that run on excitons instead of electricity.
Researchers at The University of Osaka have created an eco-friendly organic liquid that phosphoresces at room temperature, overcoming issues with molecular aggregation and stability. This discovery offers potential applications in electronic displays, particularly for wearable devices.
Scientists developed a novel synthesis method that enables precise control of emission properties in perovskite quantum dots. The approach results in enhanced stability, efficiency, and tailored emission across the Rec.2020 red spectrum. This breakthrough paves the way for high-performance pure-red light-emitting diodes.
The new Harvard device can turn purely digital electronic inputs into analog optical signals at high speeds, addressing the bottleneck of computing and data interconnects. It has the potential to enable advances in microwave photonics and emerging optical computing approaches.
Researchers are combining machine learning algorithms with neuromorphic hardware to build brain-like devices that can learn from data and adapt in real-time. These devices have the potential to revolutionize industries such as manufacturing by enabling machines to sense their environment, adapt to new tasks, and make decisions without ...
Researchers have discovered a phenothiazine-based self-assembled monolayer that reduces losses in tin perovskite solar cells, achieving an efficiency of 8.2%. This breakthrough paves the way for further improvements to pure tin perovskite tandem solar cells.
Researchers at the University of Minnesota have discovered a way to manipulate charge flow in ultrathin metallic films using light. This breakthrough could lead to energy-efficient optical sensors, detectors, and quantum information devices.
Scientists have developed organic molecules that can detect and manipulate electron spins using light, opening pathways for quantum sensing and molecular-based quantum information technology. The molecules' optical properties are linked to their electron's spin state, allowing for controlled interaction between the two spin radical units.
Researchers create metasurfaces to control photons and entangle them for quantum computing and sensing. The discovery could lead to miniaturized optical setups with improved stability, robustness, and cost-effectiveness.
Professor Kanatzidis has been awarded the 2025 Albert Einstein World Award of Science for his groundbreaking contributions to shaping the field of solar photovoltaic materials. His work has led to the development of high-performance, low-cost, and durable photovoltaic semiconductors.
Researchers created BP/ReS2 heterojunctions using LPE and ME methods, enhancing stability and nonlinear optical properties of 2D materials. The results indicate significant application potential in all-solid-state pulsed lasers operating in the 2 μm band.
This innovative approach enables direct growth of lead-based materials on silicon circuits, eliminating pre-synthesized materials and assembly steps. High-performance devices, such as image sensors and displays, are achieved through low-temperature processes and advanced encapsulation techniques.
Researchers from Université Laval designed an ultra-fast and greener optical chip that can transfer massive amounts of data at speeds of 1,000 gigabits per second while reducing energy consumption. This innovation uses the phase of light to add a new dimension to the signal, reaching unprecedented performance levels.
Researchers at Harvard and TU Wien have developed a new type of tunable semiconductor laser with smooth, reliable, and wide-range wavelength tuning in a simple chip-sized design. This innovation could replace many types of tunable lasers with a smaller, more cost-effective package.
Researchers from Institute of Science Tokyo have developed (Al,Ga,Sc)N thin films with record-high scandium levels, enabling efficient data storage and reducing power consumption. The films also show promise for noise filters and optical computing applications.
Researchers discovered a deeper understanding of the energy back transfer (EBT) mechanism in upconversion luminescent materials. The study found that high power densities induce a transition from green to yellow luminescence, while maintaining bright green luminescence within a measured range.
Researchers have designed a thermal management scheme to efficiently cool high heat flux switch chips in co-packaged optics (CPO), addressing signal crosstalk and temperature homogeneity issues. The solution can be applied to CPOs with data rates of up to 51.2 Tbit/s, releasing the performance potential of this technology.
Researchers discovered the spin configuration of excited states in a typical zero-dimensional metal halide material, challenging traditional views on dual-peak emission. The study reveals that the low-energy peak includes both bright and dark states, while the high-energy peak is from a pure bright state.
A research team has developed a monolithically integrated programmable all-optical signal processing chip with filtering, regeneration, and logic operation functions. The chip harnesses the advantages of silicon photonics to deliver high-speed performance, advanced modulation formats, and wavelength transparency. The technology paves t...
The University of Ottawa's SUNLAB has developed a simulation model for multi-junction photonic power converters, which enable the conversion of laser light into electrical power with higher efficiencies and voltages. This technology could lead to more reliable telecommunication networks, reduce costs by enhancing systems performance, a...
Researchers have optimized transport layers in PSCs and PeLEDs using self-assembled molecules, enhancing efficiency and stability. SAMs regulate interfacial properties, including charge transport and wettability, to achieve superior interface-modification capabilities.
Researchers at Tokyo University of Science developed a self-powered artificial synapse capable of distinguishing colors with remarkable precision. The device generates electricity via solar energy conversion, making it suitable for edge computing applications.
A new world record has been set for petabit-class transmission over a distance of 1,808 km using a 19-core optical fiber with low loss across multiple wavelength bands. The demonstration marks a major step forward in developing scalable, high-capacity networks and addressing the world's growing demand for data.
University of Missouri scientists have developed an ice lithography technique that etches small patterns onto fragile biological surfaces without damaging them. The method uses frozen ethanol to protect the surface and apply precise patterns.
Researchers developed a synergistic post-treatment modification technique to enhance the efficiency of thermally evaporated blue PeLEDs. The approach resulted in highly stable films with low defect density, achieving a maximum external quantum efficiency of 6.09% and brightness exceeding 1325 cd/m².
Researchers have developed a new bluish-green emitting phosphor using silica nanoparticles, achieving a 48% increase in emission intensity compared to traditional methods. The phosphor exhibits significant thermal stability, making it suitable for high-power LEDs and paving the way for brighter, more energy-efficient LED lights.
Researchers at U of A create a transistor that operates at speeds over 1,000 times faster than modern computer chips. The breakthrough uses quantum effects to manipulate electrons in graphene, enabling ultrafast processing for applications in space research, chemistry, and healthcare.
Researchers have developed a dual serrated structure that reduces reflection losses in all-perovskite tandem solar cells, leading to a 18.34% increase in efficiency. The design features a 'photon maze' effect, trapping light within the cell and making it easier for photons to enter but difficult for them to exit.