Articles tagged with Optoelectronics
Engineers at Harvard create microcombs on photonic chips, enabling compact, programmable frequency combs for precision measurement and telecommunications applications. The breakthrough makes electro-optic microcombs more practical, energy efficient, and diverse.
A new material, benzene-phosphonic acid (BPA), enables self-powered operation of smart sensors and wearables. The breakthrough technology reduces fabrication costs and promotes environmental sustainability.
Researchers at Politecnico di Milano and CNR have developed a new ultrafast computer technology controlled by light, potentially hundreds of times faster than traditional electronics. The technology manipulates the state of electrons in matter using oscillating light, enabling operations at rates above 10 terahertz.
A new study by MANA demonstrates that strongly correlated insulators can behave differently, allowing spin and charge excitations to exist independently. This enables the creation of new electronic modes that actively modify band structures under external stimuli.
The Ateneo de Manila University's ROSES Lab is the country's first facility for designing Photonic Integrated Circuits and training PIC designers. The lab has over 85 scientific publications and support from various global partners, positioning it as a driver of international collaboration in photonics research and innovation.
Giant superatoms combine two quantum-mechanical constructs to suppress decoherence and create entanglement, opening opportunities for scalable and reliable quantum systems. This breakthrough enables quantum information to be protected, controlled, and distributed in new ways.
Researchers at Harvard John A. Paulson School of Engineering and Applied Sciences have discovered a new way to generate ultra-precise, evenly spaced laser light combs on a photonic chip. This breakthrough could miniaturize optical platforms like spectroscopic sensors or communication systems.
The Harvard team developed a new microfabrication method to produce high-performance, curved optical mirrors with extremely smooth surfaces. The mirrors can control light at near-infrared wavelengths, enabling fast and efficient quantum networking.
Physicists at LMU have successfully tracked the extremely brief formation process of polarons using an ultrafast imaging method, confirming a theory from 1933. The researchers demonstrated that electrons lose energy and gain mass as they form these quasiparticles.
A new prototype device accelerates and reduces energy cost of AI computation by encoding data into light patterns, enabling faster and more efficient processing. This innovation aims to ease the energy bottleneck in AI technology, making it more sustainable and accessible for various applications.
Researchers at Harbin Institute of Technology in China report a method to fabricate transparent conductive films on curved surfaces. The technique, using multi-angle co-velocity fitting deposition model, produces smooth and continuous films with high transparency and low electrical resistance.
Researchers have developed a long, needle-thin brain electrode with channels that enables neural signal recording and precisely targeted medication delivery across different brain regions. The technology has primarily been developed for basic research but may be important for future treatments in epilepsy and other neurological diseases.
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.
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.
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 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 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.
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.
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.
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.
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.
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 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.