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.
Comprehensive medical research, clinical studies, and healthcare sciences focused on disease prevention, diagnosis, and treatment. Encompasses clinical medicine, public health, pharmacology, epidemiology, medical specialties, disease mechanisms, therapeutic interventions, healthcare innovation, precision medicine, telemedicine, medical devices, drug development, clinical trials, patient care, mental health, nutrition science, health policy, and the application of medical science to improve human health, wellbeing, and quality of life across diverse populations.
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.
Practical application of scientific knowledge and engineering principles to solve real-world problems and develop innovative technologies. Encompasses all engineering disciplines, technology development, computer science, artificial intelligence, environmental sciences, agriculture, materials applications, energy systems, and industrial innovation. Bridges theoretical research with tangible solutions for infrastructure, manufacturing, computing, communications, transportation, construction, sustainable development, and emerging technologies that advance human capabilities, improve quality of life, and address societal challenges through scientific innovation and technological progress.
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 at UCF developed a new class of optical modulators to address limitations in data transfer over optical fiber communication, reducing lag and improving reliability. The technology uses phase diversity and differential operations to ensure accurate and efficient transmission.
A team of researchers reviewed the superconducting diode effect, which enables dissipationless supercurrent flow in one direction. The study highlights potential applications for quantum technologies in both classical and quantum computing.
A new device design inspires improved integrated circuit designs by visualizing electric current flow lines around sharp bends. The research enables better understanding of heat generation in electronic devices, leading to more efficient circuit creation and reduced risk of overheating.
Researchers from Meijo University and King Abdullah University of Science and Technology have developed high-performance micro-LEDs capable of meeting the brightness and definition demands of modern immersive reality technologies. The LEDs use gallium indium nitride semiconductors and can produce full-color imaging at high resolution.
Scientists have demonstrated techniques to fabricate layered semiconductors with suitable bandgap and band structure, offering a new class of materials in photoelectronic applications. Heterogeneous integration of TMDs and traditional semiconductors enables the exploration of next-generation electronic and optoelectronic devices.
A team of researchers has created a simple and versatile fabrication approach for writing custom light-emitting diodes (LEDs) or photodetectors using handheld ballpoint pens. The new technology builds on earlier work, allowing individuals to create stretchable LEDs without specialized training or equipment.
Researchers at The Hebrew University of Jerusalem developed an innovative system of 'artificial molecules' made from two coupled semiconductor nanocrystals, achieving fast and instantaneous color switching. This breakthrough enables new possibilities in displays, lighting, and nanoscale optoelectronic devices with adjustable colors.
A team of scientists has developed an optically transparent terahertz cavity to manipulate phonon vibrations in semiconducting perovskites. This design allows for on-demand adjustment of ultrafast THz field modulation, benefiting photonic integrated devices and optical communications.
A new approach boosts light absorption in thin silicon photodetectors with photon-trapping structures, increasing the absorption efficiency over a wide band in the NIR spectrum. The findings demonstrate a promising strategy to enhance the performance of Si-based photodetectors for emerging photonics applications.
Metalenses have been developed with differentiated design principles to eliminate chromatic aberration. By merging bright spots into a single focusing spot, researchers achieved an efficiency of up to 43% and demonstrated the versatility of their approach for various optical applications.
Researchers create a phase-tailored quaternary encoding format using controllable internal assembly of dissipative soliton molecules. The four regimes allow for high-speed encoding of up to 5 kHz, with robustness and antijamming capabilities.
A collaborative team led by City University of Hong Kong researchers invented a low-temperature vapour-phase growth method to produce large-scale synthesis of semiconducting tellurium nanomesh. The new method enables the scalability and cost-effectiveness of nanomesh for next-generation electronics.
Researchers have developed an innovative approach to efficiently manipulate topological edge states for optical channel switching. By exploiting the finite-size effect in a two-unit-cell optical lattice, they achieved dynamic control over topological modes and demonstrated robust device performance.
A team of scientists has developed soft, bi-directional neural interfaces using non-conventional polymers to transmit infrared light, allowing for simultaneous stimulation and recording of brain activity. The developed implants show minimal tissue inflammation and can be used in chronic experiments to study brain circuitry.
Researchers at KAUST developed smart digital image sensors that can recognize images with high accuracy, using a charge-trapping 'in-memory' sensor sensitive to visible light. The devices have an extremely long-lived retention time of up to 10 years and can perform optical sensing, storage, and computation.
Researchers investigated LECs made from Super Yellow and found that increasing voltage applied resulted in increased emission and ESR signals. Theoretical analysis showed holes and electrons being electrochemically doped into the material, leading to a correlation with luminance increase.
A new technique developed by researchers at the University of Warsaw's Faculty of Physics allows for up to a 200-fold change in pulse duration with an efficiency of 25 percent. This enables quantum Internet links to operate up to 50 times faster, contributing to the development of superfast quantum connections.
Entangling low-energy microwave with high-energy optical photons is a crucial step to overcome challenges in scaling up existing quantum hardware. The achievement has implications for realizing interconnects to other quantum computing platforms and novel quantum-enhanced remote sensing applications.
PolyU researchers have developed optoelectronic graded neurons that can perceive dynamic motion, achieving an information transmission rate of over 1000 bit/s. This breakthrough enables highly accurate motion recognition, surpassing conventional image sensors by up to 99.2% accuracy.
Researchers have created a 19-core optical fiber with a standard cladding diameter, achieving a record transmission capacity of 1.7 petabits per second over 63.5 km. This design uses randomly coupled multi-core fibers and MIMO digital signal processing to minimize power consumption.
Researchers at City University of Hong Kong have developed a multifunctional additive that improves the efficiency and stability of perovskite solar cells by modulating film growth. The additive reduces defects, leading to higher power conversion efficiency and lower energy loss.
The article discusses the fabrication and applications of van der Waals heterostructures (vdWHs), which have unique properties and potential for exploring condensed matter physics. Various strategies for fabricating vdWHs were developed in the past decade, leading to promising functionalities in diverse fields.
Researchers at the University of Cambridge have developed a new method for making smart fabrics that is cheaper and more sustainable. They achieved this by weaving electronic components into conventional textiles using industrial looms, breaking away from traditional specialized microelectronic fabrication facilities.
The study reveals that the stability of Dion-Jacobson 2D perovskites is determined by the rigidity of organic diammonium cations. This mechanism allows for intercoordination between organic and inorganic components, enabling a stabilized state. The findings may provide guidance for manipulating the stability of DJ 2D perovskites.
Researchers have presented an overview of recent progress in moiré photonics and optoelectronics, highlighting the emergence of novel quantum phenomena and their potential applications. Moiré superlattices introduce a new paradigm for engineering band structures and exotic quantum states.
Researchers at UNIGE have designed a quantum material that can be controlled by curving space, allowing for ultra-fast electromagnetic signal processing and potential applications in high-speed communication systems. The material's unique properties enable the creation of new sensors and potentially unlock new avenues in exploration.
Scientists at EPFL and IBM have developed a new type of laser using lithium niobate, enabling precise distance measurements in LiDAR applications. The hybrid integrated tunable laser offers low frequency noise and fast wavelength tuning.
The SF State team has created a broadband nanoscale photodetector using bismuth-MoS2 materials, showing improved sensitivity in the UV range and responsiveness over a wide wavelength range. The device is also fast, working at around 10 kilohertz and potentially scalable to megahertz or gigahertz speeds.
Scientists develop a non-volatile photo-memristor with tunable conductance and reconfigurable photoresponse, enabling all-in-one sensing-memory-computing approaches for neuromorphic vision. The device can implement computationally complete logic with photoresponse-stateful operations.
The study uses artificial intelligence to generate new molecules with optimized properties, applicable to various industries. The method enables finding Pareto-optimal solutions, leading to more efficient materials for optoelectronics, solar energy, and other fields.
Researchers have observed exciton quasiparticles confined in atomically thin materials, opening paths to controlling excitons for quantum and optolectronic applications. Custom-built materials can now be designed to confine and manipulate excitons.
Scientists at Tokyo Institute of Technology developed a new synthesis method that allows the introduction of multiple B- and Si-containing groups into aromatic nitrogen heterocycles. This breakthrough unlocks the creation of versatile platforms for organic compounds relevant to medicinal chemistry. The approach enables the production o...
A Chinese research team has successfully synthesized a stable polymer with a nickel backbone that exhibits conductive, thermally stable and interesting optoelectronic properties. The new material can be processed in solution and demonstrates strong length-dependent light absorption with narrow band gaps.
A new method for measuring bifacial solar panel performance has been developed by the University of Ottawa SUNLAB team. The study proposes a characterization method that considers external effects of ground cover like snow, grass, and soil, providing a way to accurately test panel performance indoors.
Researchers provide a comprehensive overview of metal halide perovskites' optoelectronic traits and their potential to design multifunctional devices. The study highlights the unique characteristics of MHPs, including tunable optical and electronic features, making them suitable for various applications.
Researchers developed a self-powered nanowire sensor that can detect nitrogen dioxide in the air without power source. The sensor has potential applications in environmental monitoring, healthcare, and industrial safety.
Scientists have created a novel approach to produce phase-pure quasi-2D Ruddlesden–Popper perovskites, enabling highly efficient and spectrally stable deep-blue-emissive perovskite LEDs. The rapid crystallization method yields high-performance devices with an emission wavelength centered at 437 nm.
Meta-Optics is transforming science and technology, enabling novel applications in the Internet of Things, autonomous cars, wearable devices, and augmented reality. However, challenges remain to be solved, such as scaling up industrial processes and creating tunable metamaterials.
Researchers at EPFL's School of Basic Sciences created a large-scale, configurable superconducting circuit optomechanical lattice to simulate graphene lattices. The device exhibits non-trivial topological edge states and can be used to study many-body physics.
A team of researchers from Lithuania has developed organic dyes showing a particularly long afterglow after being excited by light. The new material exhibits persistent thermally activated delayed fluorescence and long phosphorescence at room temperature, enabling color-tunable room-temperature organic afterglow.
Researchers at the University of Tsukuba have developed an optoelectronic resonator that enhances the sensitivity of an electron pulse detector, allowing for ultrafast electronic characterization of proteins or materials. This breakthrough may aid in the study of biomolecules and industrial materials.
Researchers developed a simple and accurate method for markerless gait analysis, combining RGB camera-based pose estimation with IMU sensor data. The new technique outperformed existing methods in measuring gait parameters and joint angles, showing significant promise for clinical settings and diverse applications.
Researchers at Harvard John A. Paulson School of Engineering and Applied Sciences have developed an integrated electro-optic modulator that can efficiently change the frequency and bandwidth of single photons on a chip. This device could be used for more advanced quantum computing and quantum networks.
Scientists successfully transmit and switch 15-mode multiplexed signals over a 6.1 km long multi-mode fiber ring in Italy, demonstrating a new approach to increasing fiber network capacity. This achievement is significant for future communication systems beyond 5G.
Researchers demonstrate world's first 55-mode transmission at 1.53 petabits per second, outperforming previous records by three times in spectral efficiency. The technology holds promise for future high-capacity backbone networks and the development of Beyond 5G infrastructure.
Researchers at TU Wien have developed a new method for creating high-quality contacts between metal and semiconductor materials, enabling faster and more efficient computer chips. The technology uses crystalline aluminium and a sophisticated silicon-germanium layer system to overcome the problem of oxygen contamination.
Researchers developed flexible thermochromic fibers that can change color and pattern in response to environmental signals. The fibers were used to create a dynamic colored display fabric with QR code, which was successfully recognized, enabling applications in social contact, information security, and wearable human-computer interaction.
Researchers developed high-capacity free-space optical links using unipolar quantum optoelectronic devices, achieving unprecedented data rates of up to 30 Gbit/s at 31-meter distances. The system's performance is resistant to weather conditions and showcases potential for fast, long-range optical links.
Researchers have successfully created a highly conductive metamaterial using self-organized quantum dots, maintaining their optical properties while displaying the highest electron mobility reported for quantum dot assemblies. This breakthrough paves the way for new generation of opto-electronic applications.
A team of scientists has developed a novel photonic neural network accelerator based on a non-volatile Opto-Resistive RAM Switch, achieving programmable nonlinear activation functions. The accelerator demonstrates superior performance in MNIST handwritten digit recognition tasks, with accuracy rates up to 91.6%, reduced power consumpti...
A team at KAUST has created an ultrathin dielectric metalens that improves focusing capabilities and can be scaled down for integration with photonics equipment. The metalens, designed from a custom array of TiO2 nanopillars atop a DBR, offers negligible intrinsic loss and easy fabrication.
Kyusang Lee's new sensor system uses artificial intelligence to process different types of signals, mimicking human biology, and can detect viruses. The system meets challenges of data bottlenecks, energy consumption, and data protection, making it a breakthrough in the Internet of Things.
Scientists observed fine-scale exciton dynamics in atomically thin layered materials, confirming theoretical predictions. The discovery could help replace charge transfer for faster and more reliable optical communications.
Researchers have developed a new type of microcomb that generates dissipative solitons with flat-top spectral shape, enabling high-capacity optical communication. The new design also achieves self-starting operation, high mode efficiency, and low output power, making it suitable for real-world applications.
Researchers developed a smart mouthguard that translates complex bite patterns into instructions to control devices such as computers, smartphones and wheelchairs. The device achieves 98% accuracy and has the potential to support individuals with limited dexterity or neurological disorders.
Scientists have developed a solution to communication challenges in neuromorphic chips using superconducting devices. This allows artificial neural systems to operate 100,000 times faster than the human brain, with potential applications in industrial control and human conversations.
Scientists have discovered a way to use nanoscale, low-power laser beams to precisely control magnetism within two-dimensional semiconductors. This technique has implications for studying the emergence of correlated phases and designing new optoelectronic and spintronic devices.
Researchers designed an optical black hole cavity using transformation optics, eliminating radiation loss in WGM cavities. The conformal optical black hole (OBH) cavity realizes infinite radiation Q-factor and enhances field confinement, paving the way for surface field manipulation.
Researchers at Queen Mary University of London have invented a new application of perovskites as single-crystal optical fibers with exceptional stability, efficiency, and durability. These high-performance fibers could revolutionize broadband delivery, improve medical imaging, and even enable solar-powered clothing.
Researchers have demonstrated a new visible light communication system that uses a single optical path to create a multi-channel communication link over the air. The system, based on devices called multiple quantum well (MQW) III-nitride diodes, can save half the channel space, cost and power by using a single link.