Articles tagged with Optoelectronics
Researchers at University of Southampton demonstrate a breakthrough technique that enables silicon detectors for telecommunications, promising significant advances in photonics. The technique uses laser-crystallised silicon photonic devices to overcome challenges of using silicon in data communications.
Piezotronics harnesses mechanically-induced polarization to modulate charge carriers, leading to novel device applications and unparalleled performance. This technology has given rise to strain-gated piezotronic transistors, logic nanodevices and strain memory devices, enhancing sensing capabilities and enabling 3D structuring.
Theorists have found new methods to determine the likelihood of quantum encryption scheme failure, enabling device-independent cryptography. This allows for the estimation of failure probabilities without relying on assumptions about the reliability of devices.
Research team at UNIST developed high-performance NW-OPTs, showing enhanced charge-carrier mobility and higher external quantum efficiencies compared to thin-film OPTs. This breakthrough enables bottom-up fabrication of optoelectronic nanodevices with high operational stability and easy control of photoswitching voltages.
Researchers from California and Japan have devised a new LED design that avoids efficiency droop, a major problem limiting solid-state lighting growth. The breakthrough could lead to more energy-efficient and affordable LED lighting, with potential applications in household bulbs.
Researchers have developed portable gas sensors that can monitor ozone, greenhouse gases, and air pollutants with high-resolution mapping capabilities. The sensors use various technologies, including laser sensors and deep ultraviolet LEDs, to detect small amounts of atmospheric gases.
Physicists create isolated attosecond pulses using a new method dubbed the "attosecond lighthouse" effect, which can help confirm theories of electron motion and yield insights into chemical reactions. The technique has several advantages over previous methods, including ease of implementation and minimal rotation required.
Researchers successfully sent highly accurate clock signals across hundreds of kilometers using optical fiber links, overcoming challenges to transmit stable signals over long distances. The achievement brings scientists closer to redefining the second and enabling ultra-precise navigation and other applications.
Researchers created an integrated electronic component directly into optical fibers, bypassing the need to integrate fiber-optics onto a chip. This breakthrough enables high-speed optoelectronic function and has potential applications in telecommunications and hybrid technologies.
Joseph Kakande, a PhD student at the University of Southampton, has been selected as one of three Marconi Young Scholars for his groundbreaking research on all-optical signal processing. His work aims to develop novel methods for processing high spectral efficiency phase encoded optical signals using nonlinear fibre optic technologies.
Researchers found that patients with pectus excavatum have reduced chest wall motion near the deformity and compensate by using abdominal muscles to draw in more air. The study suggests these patients may experience shortness of breath and easy fatigability due to the dysfunctional upper chest wall motion.
The Kavli Institute at Cornell is shifting its focus from a think tank to a proving ground for pushing the limits of nanotechnology. Under new leadership, it will fund projects and researchers to create novel instruments and tools for next-generation microscopies and optoelectronic nanocharacterization.
Scientists from Denmark and Australia have established an error-free speed-reading record using a compact ultra-fast component, reaching 640 Gbps. The new technology allows for faster network speeds and opens the door to even higher data rates approaching terabits/second.
Phaedon Avouris and Tony Heinz's pioneering work on carbon nanotubes and graphene aims to develop a future nanoelectronic technology. Their research will benefit industries such as aviation, space, and medicine, with applications in high-speed electronics, communications systems, and sensors.
The Adaptive Scanning Optical Microscope (ASOM) eliminates traditional trade-offs between magnification and field of view, providing 40mm diameter field of view with consistent resolution. This technology enables faster imaging and reduces visual distortions.
Nanotechnology researchers at Georgia Tech created a systematic study of growth conditions for one-dimensional nanostructures from cadmium selenide, producing three types of nanostructures: nanosaws/nanocombs, nanobelts, and nanowires. The 'road map' provides optimal conditions for controlling the production of each structure.
Steve Granick and Zhiqun Lin found that patterns of high fidelity form spontaneously through evaporation of a droplet in a cylindrical mount. The process results in concentric rings with regular spacing, controlled by the material's size and surface properties.
Researchers develop environmentally friendly nano-coatings with unique properties, enabling new devices for consumer electronics and sensing applications. The innovative technology utilizes 3D nanostructures and nano-honeycomb structures to produce sustainable materials and devices.
Researchers at Georgia Institute of Technology have developed optoelectronic devices based on silver nanoclusters that can perform addition and other complex logic operations. The devices use electroluminescence to produce optical output, allowing for read-out without electrical contacts.
Researchers at NRL have created a new type of glass material for use in future opto-electronic devices, which could lead to advancements in optical sensors, miniaturized optical systems, high-speed communication components, and more. The material's properties are highly dependent on its layered structure and composition.