Articles tagged with Photonics
Researchers at Stanford University have developed a chip-scale Titanium-sapphire laser, four orders of magnitude smaller and three orders less expensive than traditional lasers. This breakthrough enables mass production on wafers, potentially thousands of lasers per disc, democratizing access to these powerful tools.
Researchers aim to create integrated photonics on chips using an atom-thin silicon-germanium alloy, which could lead to computers and mobile phones that use less electricity and operate faster. The new material has the potential to emit light, reducing heat and energy consumption in data centers.
Scientists at uOttawa have developed Fourier Quantum Process Tomography (FQPT) to validate quantum circuit performance. The technique allows for high-accuracy characterization with minimal measurements, enabling significant advancements in quantum computing.
Researchers have developed a new 3D method for fast-moving object tracking at unprecedented speeds, with potential applications in autonomous driving, industrial inspection and security surveillance. The approach uses single-pixel imaging to calculate the object's position in real-time, reducing data storage and computational costs.
Researchers have developed a new photonic chip that can process, transmit and reconstruct images in nanoseconds, eliminating optical-electronic conversions. This technology holds promise for revolutionizing edge intelligence in machine vision applications.
Researchers developed metamaterials-enhanced MRI technology using coaxial cables to boost signal-to-noise ratio. The innovative coils address patient discomfort and cost by providing adaptable, form-fitting designs for various anatomical sites.
Researchers have developed a compact, palm-sized light field camera that simultaneously captures 3D spatial and spectral information in a single snapshot. The camera uses inkjet printing to create its key optical components, enabling efficient manufacturing and customization.
The researchers developed a single millimeter-scale photonic chip that emits reconfigurable beams of light into a well of resin, curing into a solid shape when exposed to the beam's wavelength. Shapes can be fully formed in a matter of seconds using this chip-based 3D printer.
Researchers demonstrate a new way to confine infrared light using thin-film oxide membranes, which outperform bulk crystals in resolution and frequency maintenance. The technique has potential applications in photonics, sensors, and thermal management.
Researchers developed a chip-scale erbium-doped waveguide laser that approaches fiber-based laser performance, featuring wide wavelength tunability and stable output. The breakthrough enables low-cost, portable systems for various applications including telecommunications, medical diagnostics, and consumer electronics.
Researchers have developed a groundbreaking solution to overcome DAC challenges, achieving record-breaking data transmission performance. The innovative approach enables the transmission of signals at rates exceeding 124 GBd PAM-4/6 and 112 GBd PAM-8 over long distances using low-cost digital-to-analog converters.
A team of researchers successfully demonstrated the principles of gravity-mediated entanglement in a photonic quantum simulation. This breakthrough provides crucial insights into the nature of gravity and its interaction with quantum mechanics.
Researchers at TMOS have developed a new infrared filter thinner than cling wrap, which can be integrated into everyday eyewear, allowing users to view both visible and infrared light spectra. This breakthrough miniaturizes night vision technology, opening up new applications in safety, surveillance, and biology.
A groundbreaking study introduces a method for sorting vector structured beams with spin-multiplexed diffractive metasurfaces, promising significant advancements in optical communication and quantum computing. This technology enables precise control over complex light beams, opening new avenues for scientific exploration.
Researchers at the University of Rochester developed a new microcomb laser design that provides low power efficiency, high tunability, and easy operation. The simplified approach enables direct control over the comb with a single switch, opening up potential applications in telecommunications systems, LiDAR for autonomous vehicles.
Researchers have developed a new device that can determine photon pair properties in a single shot, improving precision and accuracy in quantum technologies. The metasurface-enabled multiport interferometer reduces size, weight, and power while increasing reliability.
A new approach uses artificial intelligence to turn low-quality images into high-quality ones, enhancing the image quality of metalens cameras. This technology could make these cameras viable for intricate microscopy applications and mobile devices.
A new, affordable sensor technology can detect lead concentrations as low as one part per billion, making it a significant step forward in addressing global health issues. The handheld device can be used for on-site monitoring and requires only a droplet of water.
A new device uses small amounts of light to process information, offering significant energy improvements over conventional optical switches. This technology could enable quantum communications, providing a promising alternative for data security against rising cyberattacks.
Researchers have developed new optical tweezers that can stably trap large and irregularly shaped particles using contour-tracking technology. This advancement could expand light-based trapping to a wider range of objects, including groups of cells, bacteria, and microplastics.
Canadian researchers have developed a new 3D printing method called blurred tomography that can rapidly produce microlenses with commercial-level optical quality. The method uses projected light to solidify a light-sensitive resin in specific areas, allowing for rapid prototyping of optical components.
A new, low-cost, high-efficiency photonic integrated circuit has been developed using lithium tantalate technology. The breakthrough platform offers scalable and cost-effective manufacturing of advanced electro-optical PICs, paving the way for volume manufacturing.
Researchers from the University of Tokyo have developed a novel approach to manage waste heat in microcircuits by adding a tiny coating of silicon dioxide. This increases the rate of heat dissipation, allowing for faster cooling and potentially leading to smaller and cheaper electronic devices.
Scientists at Harvard John A. Paulson School of Engineering and Applied Sciences have developed a compact, single-shot polarization imaging system that can provide a complete picture of polarization. The system uses two thin metasurfaces to capture the most complete polarization response of an object in real-time.
Researchers have developed a compact and lightweight single-photon airborne lidar system that can acquire high-resolution 3D images with a low-power laser. The system uses single-photon detection techniques to measure time-of-flight, enabling highly accurate 3D mapping of terrain and objects even in challenging environments.
Researchers at Penn State have made light effectively experience a magnetic field within a photonic crystal structure. This breakthrough could lead to more efficient lasers and other photonic technologies by increasing the interaction between light and matter.
A research team has successfully created a new dimension in photonic machine learning by incorporating sound waves, enabling the creation of reconfigurable neuromorphic building blocks. This innovation has the potential to revolutionize computing tasks by providing high-speed and large-capacity solutions.
Researchers at UPV and iPRONICS have developed a groundbreaking photonic chip that can implement twelve basic functionalities required by various systems. This chip allows on-demand programming and interconnecting wireless and photonic segments of communication networks, increasing efficiency and reducing bottlenecks.
Researchers demonstrate how a simple mirror design can amplify radiative cooling processes for buildings. The mirror structure effectively guides thermal radiation towards the most transmissive portion of the atmosphere, increasing cooling power.
Researchers have developed a method to improve the optoelectronic properties of InP-based QDs, resulting in high-brightness green InP-based QLEDs. The new synthesis strategy uses zinc myristate to protect the core surface from oxidation, leading to improved quantum yields and luminescence performance.
Researchers have developed a technique to focus ultra-intense ultrashort lasers onto a single wavelength using rotational hyperbolic mirrors. This breakthrough enables the highest intensity condition for ultra-intense ultrashort lasers, revolutionizing strong-field laser physics applications.
A new approach uses a smartphone screen to create full-color 3D holographic images by leveraging computer-generated holography (CGH) and an optical component called a spatial light modulator. The method has the potential to enhance near-eye displays in virtual reality headsets, creating more realistic and interactive user experiences.
A team of scientists developed a photonic scheme to extract key features from broadband RF signals, reducing data rate by 4 times while maintaining high target recognition accuracy. The system achieves 97.5% accuracy and outperforms one-dimensional feature extraction.
Rice University engineers have demonstrated a way to control the optical properties of T centers, paving the way toward leveraging these point defects for building quantum nodes. By embedding a T center in a photonic integrated circuit, they increased the collection efficiency for single photon emission by two orders of magnitude.
The researchers achieved 20-level intermediate states of phase change materials using a micron-scale laser writing system. This allows for the demonstration of ultra-high flexibility in phase modulation and potential applications in neuromorphic photonics, optical computing, and reconfigurable metasurfaces.
Scientists have developed a new method to manipulate light using synthetic dimension dynamics, enabling precise control over light propagation and confinement. This breakthrough has significant implications for applications such as mode lasing, quantum optics, and data transmission.
Researchers have developed a miniaturized optical sensor that can detect glucose levels in human blood plasma with comparable sensitivity to laboratory-based sensors. The device operates wirelessly using a coin battery and has demonstrated its viability in detecting glucose levels between 50-400mg/dL.
A novel approach estimates metabolic activity and infers blood glucose levels from near-infrared measurements in commercial smartphones and smartwatches. The phase delay between oxyhemoglobin and deoxyhemoglobin signals closely relates to oxygen consumption during cardiac cycles, serving as a gauge for metabolism.
Scientists from CNR Nanotec and the University of Warsaw created a new method to simulate interactions between artificial atoms by forming macroscopic coherent states. They used optically tailored quantum droplets of light that became bound together, enabling stable and long-lived polariton fluids with unprecedented coherence scales.
Researchers have developed a new way to control and manipulate optical signals by embedding a liquid crystal layer into waveguides created with direct laser writing. The new devices enable electro-optical control of polarization, which could open new possibilities for chip-based devices and complex photonic circuits.
The Zero-Energy Switchable Radiative Cooler (ZESRC) is a temperature-responsive solution that balances building temperatures sustainably. Field experiments demonstrate its effectiveness across seasons, reducing energy consumption by 14.3% compared to other devices.
Researchers at uOttawa have found that amorphous solids selectively absorb light of different polarizations, contradicting prior beliefs. The study reveals the importance of short-to-medium range order within disordered solids in influencing how materials react to light.
Researchers have created a computer using an array of VCSELs that leverages optical feedback to efficiently solve complex optimization problems. The system encodes information in linear polarization states, minimizing interactions between variables and overcoming the von Neumann bottleneck.
Researchers at Aston University have discovered that aging skin exhibits distinct optical properties under polarised laser light. This finding could lead to the development of non-invasive light-based techniques for early detection and monitoring of skin conditions, including cancer.
Scientists at Shanghai Institute of Microsystem and Information Technology enhance the photon-number-resolving capability of single-photon detectors by widening superconducting strips. This results in better dynamic range and fidelity, enabling true-photon-number resolution up to 10.
Researchers developed a spiral-shaped lens that provides clear focus at different distances in varying light conditions, potentially revolutionizing ophthalmology. The lens works by creating multiple clear focus points through optical vortices, allowing for improved depth perception and visual acuity.
A team of researchers has identified the intrinsic interactions responsible for light-induced ferroelectricity in SrTiO3. By measuring fluctuations in atomic positions, they found that mid-infrared excitation suppresses certain lattice vibrations, leading to a more ordered dipolar structure.
Researchers from Osaka University and IMRA AMERICA have developed a photonics-based wireless link that breaks speed records for data transmission. The system achieved a single-channel transmission rate of 240 gigabits per second using ultra-low phase noise, paving the way for near-instantaneous global communication.
Photonic integrated circuits use photons instead of electrons for calculations, enabling improved performance and cost-effectiveness. A new study maps the internal light motion without damaging the chip, paving the way for applications in communication, imaging, and quantum computing.
GIST researchers develop tunable optical properties in nanostructures, enabling applications in wound healing, drug delivery, and secure verification. A clock-inspired design featuring magnesium nano-rotamers demonstrates programmable polarization-resolved coloration.
Researchers studied how epithelial cells sense small changes in their environment using ion channels. They found that even small movements can trigger rapid intracellular calcium changes via mechanosensitive cation channels, which play a key role in touch sensation and other physiological functions.
Researchers developed a carbon-based tunable metasurface absorber with an ultrawide, tunable bandwidth in the THz range. The absorber boasts high absorption efficiency and insensitivity to polarization angles, paving the way for advanced technological applications.
The BETTER project, led by Dr. Sergei Sokolovski, will develop a secure data sharing system for multi-source health data analysis, overcoming GDPR challenges and enabling healthcare professionals to compare and integrate data securely at lower costs.
A new technique using optical orbital angular momentum lattice (OAML) multiplexed holography boosts information storage capacity and offers novel approaches for implementing high-capacity holographic systems. The research unlocks supplementary encrypted dimensions, enhancing storage capacity and overcoming limitations of traditional me...
A new system-on-chip employs silicon photonics to process broadband information, reducing latency through direct analogue processing. The device successfully tested in two dynamic interference scenarios, demonstrating error-free operation and maintaining signal-to-noise ratios over 15 dB.
Researchers use water as a nonlinear medium to create a supercontinuum white laser covering an impressive spectral range from UV to far infrared. The resulting ultrabroadband source has potential in ultrafast spectroscopy, hyperspectral imaging, and scientific research.
Researchers at EPFL and Max Planck Institute have successfully bridged the gap between light and electrons using a transmission electron microscope. They achieved this by generating dissipative Kerr solitons that interact with free electrons, allowing for ultrafast modulation of electron beams.
Researchers have developed a thermal management technique for photonic packages using glass substrates and thermoelectric vias, enabling precise temperature control. The technology, termed SimTEC, combines through glass vias partially filled with copper and thermoelectric materials to reduce thermal resistance between chips.
The University of Rochester is establishing a new NIH-funded center focused on developing FDA-qualified drug development tools related to barrier functions in disease. Researchers will create microphysiological systems with ultrathin membranes of human cells, aiming to reduce animal trials and improve drug efficacy.
Researchers have developed a method to coherently tile multiple titanium:sapphire crystals together, breaking through the current 10-petawatt limit. This technology enables ultra-intense ultrashort lasers with high conversion efficiencies, stable energies, and broadband spectra.