Articles tagged with Photonics
Researchers have developed microcomb technology to miniaturize optical atomic clock systems, offering significant benefits for navigation, autonomous vehicles, and geo-data monitoring. The new system uses integrated photonics to integrate optical components on tiny photonic chips, reducing size and weight.
Researchers at Tampere University and Kastler-Brossel Laboratory have demonstrated self-imaging of light in cylindrical systems, facilitating unprecedented control of light's structure. They also explore a new type of space-time duality, bridging different fields of optics.
Researchers have created a new imaging technique that uses the nanostructures found on butterfly wings to analyze cancerous tissues, providing a simpler and more accessible tool for cancer diagnosis. The method has shown comparable results to conventional staining methods and advanced imaging techniques, offering a stain-free alternative.
Researchers develop dual-stage E+S-band bismuth-doped fiber amplifier for next-generation optical communication systems. The device achieves unprecedented broad bandwidth, high gain and low noise, making it suitable for boosting optical signals.
Relativity Networks develops patent-pending HCF cable that transmits data nearly 50% faster than conventional glass fiber, expanding data center geographical optionality. UCF's College of Optics and Photonics supports the innovation through industry partnerships and research collaborations.
Naomi Halas' work has pioneered new insights into how light and matter interact at the smallest scales, leading to discoveries in biomedical applications such as cancer therapy and water purification. Her research on plasmonic catalysts could dramatically reduce energy required for chemical reactions.
A new single-photon time-of-flight LiDAR system can acquire high-resolution 3D images of objects or scenes up to 1 kilometer away, offering improved surveillance and monitoring capabilities. The system uses a superconducting nanowire single-photon detector and achieves a higher spatial resolution than previous systems.
Researchers successfully linked two separate quantum processors to form a single, fully connected quantum computer using photonic network interface. This breakthrough enables computations to be distributed across the network, addressing quantum's scalability problem and paving the way for industry-disrupting quantum computers.
Researchers developed a simple and sensitive optical fiber sensor for real-time detection of extremely low levels of arsenic in water. The sensor can detect arsenic levels as low as 0.09 ppb and provides analysis within just 0.5 seconds, making it a powerful tool for monitoring and ensuring safer water quality.
Researchers at Aalto University have developed a microscopic spectral sensor that can identify materials with unprecedented accuracy. The device achieves an extraordinary peak wavelength identification accuracy of ~0.2 nanometers, enabling it to distinguish thousands of colours.
Researchers at EPFL have developed a compact electro-optic frequency comb generator using lithium tantalate, achieving 450nm spectral coverage with over 2000 comb lines. This breakthrough expands the device's bandwidth and reduces microwave power requirements, enabling practical applications in photonics.
Researchers developed a 7-axis synchronization algorithm for freeform surface laser texturing, achieving high efficiency and accuracy without stitching errors. The approach improves processing efficiency by up to 559% and reduces errors by 60%, making it suitable for industrial applications.
A team of researchers from the University of Ottawa has developed innovative methods to enhance frequency conversion of terahertz (THz) waves in graphene-based structures, unlocking new potential for faster, more efficient technologies in wireless communication and signal processing. These advancements hold great promise for wireless c...
Scientists have created a stable 2D material, InSbMoO6 (ISM), using lone pair electrons as chemical scissors. ISM exhibits strong nonlinear optical responses and good air stability, making it promising for integrated photonics applications.
Researchers developed tapered polymer optical fibers that can deliver light to the brain, enabling more efficient and effective optogenetics experiments. The fibers reduce tissue inflammation and increase the volume of illuminated brain tissue compared to standard optical fibers.
Researchers developed a groundbreaking photonic platform to overcome limitations in in-memory computing, enabling faster calculations and greater efficiency. The innovative magneto-optical memories consume about one-tenth the power of traditional electronics and can be rewritten billions of times.
The Nick Cobb Memorial Scholarship honors an exemplary graduate student in the field of lithography. Clay Klein, a PhD candidate at JILA and the University of Colorado, Boulder, will receive the $10,000 award for his research on EUV scatterometry and its applications.
Researchers used 3D printing to make headlight lenses, achieving exceptional precision and surface quality while reducing costs and production speeds. The study compared 3D printing with traditional methods like CNC machining and reverse engineering, finding that 3D printing outperformed them in efficiency and cost-effectiveness.
Researchers at the University of Pennsylvania School of Engineering and Applied Science have developed a novel photonic switch that can redirect signals in trillionths of a second with minimal power consumption. The new switch uses non-Hermitian physics and silicon material to achieve unprecedented speed and efficiency.
Researchers developed a high-power tunable laser on silicon photonics, reaching close to 2 Watts of output power. This achievement has the potential to disrupt the field of photonics and enable large-scale deployment of integrated photonics systems.
MIT researchers developed a biosensing technique that eliminates the need for wires, using tiny wireless antennas with light detection to measure electrical signals from cells. The devices can capture scattered light with an optical microscope and measure signals with micrometer spatial resolution.
Researchers developed a laser-based artificial neuron that emulates biological graded neuron functions, achieving a signal processing speed of 10 GBaud. This enables fast AI decision-making in time-critical applications with high accuracy.
Scientists successfully prepared six mechanical oscillators in a collective state, observing phenomena that emerge when oscillators act as a group. The research demonstrates experimental confirmation of theories about collective quantum behavior, opening new possibilities for quantum sensing and generation of multi-partite entanglement.
Researchers at MIT have created a new magnetic state in an antiferromagnetic material using terahertz laser light, enabling controlled switching and potentially leading to more efficient memory chips. The technique provides a powerful tool for manipulating magnetism and advancing information processing technology.
Researchers at Tata Institute of Fundamental Research have developed a novel method to steer relativistic electron pulses produced by femtosecond lasers. By using solid targets with nanopillars, they achieved coherent control over the electrons' directionality and formed narrow beams.
A team of international researchers successfully controlled the quantum states of matter at ultrafast time scales and its chemical properties with extreme precision using light in the extreme ultraviolet. The technique was demonstrated on helium atoms, enabling the enhancement of selected quantum processes while suppressing others.
A team of researchers has created a compact and low-cost device that generates twisting light beams with orbital angular momentum, enhancing the capacity and reliability of future wireless systems. The device achieves high out-of-band suppression, exceeding 30 dB, reducing interference and ensuring clean signal transmission.
Fogarty's research aims to monitor language function and recovery in post-stroke patients using DOT. She hopes to establish the feasibility of brain-computer interfaces to restore inter-personal communication for post-stroke patients.
Scientists have created cost-effective lasers for the extended Short-Wave Infrared (SWIR) range by utilizing colloidal quantum dots. This breakthrough addresses scalability and affordability challenges in current laser technologies, enabling diverse applications such as hazardous gas detection, eye-safe LIDAR systems, and advanced phot...
A prototype mobile all-light communication network has been demonstrated, enabling reliable two-way data transmission across moving nodes on drones, vehicles, and ships. The system uses different light sources to ensure uninterrupted connectivity and dynamically aligns optical paths between moving nodes.
Researchers from Forschungszentrum Jülich and their partners have successfully developed the first electrically pumped continuous-wave semiconductor laser composed exclusively of elements from the fourth group of the periodic table, or the 'silicon group'. This new laser is directly grown on a silicon wafer, offering new possibilities ...
A new technology developed by researchers from UPV, BUPT, CAS Institute, Air Force Early Warning Academy and University of Ottawa improves the accuracy of radars and LiDAR systems by up to 14 times, enabling faster and more accurate navigation in autonomous vehicles and detailed environmental studies.
The PERTE Chip EPIQ Chair aims to accelerate the adoption of emerging quantum technologies through collaboration between UC3M and Arquimea. The project will focus on strengthening research in microelectronics and quantum technologies, as well as training the next generation of experts.
Dr Florian Kaiser leads €3 million ERC Consolidator Grant-funded research on quantum integration, aiming to create practical applications and overcome scalability challenges in quantum technologies. The goal is to integrate quantum processors and memories on a single chip, enabling superior performance and minimal energy consumption.
Scientists at MIT developed a fully integrated photonic processor that can perform all key computations of a deep neural network optically on the chip. The device completed machine-learning classification tasks in under half a nanosecond while achieving over 92% accuracy, similar to traditional hardware.
Industry and academic experts discuss the potential of new materials, configurations, and integration technologies to overcome bandwidth limitations and operational robustness issues in silicon photonic modulators. These advancements are expected to impact emerging applications such as data centers, AI, quantum information processing, ...
The new QDlight laboratory aims to develop emitters and protocols for generating new quantum states of light, creating a fault-tolerant photonic quantum computer. The collaboration combines academic and technological expertise to overcome scientific obstacles in quantum photonics.
Researchers at Singapore University of Technology and Design have designed a novel tool inspired by a spiral ladder to control circular polarised light. The bilayer metasurface structure can be tailored to emit waves with specific angles, wavelengths, and polarisation properties.
Researchers have found that under certain conditions, a laser beam can act like an opaque object and cast a shadow. The discovery challenges traditional understanding of shadows and opens new possibilities for technologies controlling light.
The University of Central Florida has established a new research lab to advance light-based technologies for disease prevention, detection, and treatment. The interdisciplinary lab will facilitate collaborations between physicians, scientists, and researchers from various fields, including biophotonics and biomedical sciences.
Researchers have developed a new ultrafast laser platform that generates ultra-broadband ultraviolet (UV) frequency combs with an unprecedented one million comb lines. This achievement provides exceptional spectral resolution and could enhance high-resolution atomic and molecular spectroscopy. The new approach also produces extremely a...
A NRL multi-disciplinary team developed a nonvolatile and reversible procedure to control single photon emission purity in monolayer tungsten disulfide by integrating it with a ferroelectric material. This novel heterostructure introduces a new paradigm for control of quantum emitters.
Researchers at UCLA developed a new type of imaging technology that forms images in only one direction, enabling efficient and compact methods for asymmetric visual information processing and communication. The technology works exceptionally well under partially coherent light, achieving high-quality imaging with high power efficiency.
Osaka University researchers develop a new method for long-range enhancement of fluorescence and Raman signals using Ag nanoislands protected with column-structured silica layers. This leads to an astonishing ten-million-fold increase in signal strength, making it ideal for sensitive biosensing applications.
Aston University researcher has developed a new technique harnessing Orbital Angular Momentum (OAM) light to improve imaging and data transmission through skin and biological tissues. The OAM-based approach shows unmatched sensitivity and accuracy, paving the way for non-invasive medical diagnostics and imaging.
Scientists at Paderborn University used high-performance computing to analyse a quantum photonics experiment, performing calculations in just minutes. The findings have significant implications for characterising photonic quantum computer hardware and will shape the future of quantum research.
Researchers successfully generate guided sound waves on a microchip using lasers, enabling interactions with the environment and paving the way for new sensing technologies. The innovative approach uses special glass to contain sound waves, making it ideal for applications in signal processing and communication technologies.
Researchers at Newcastle University developed a novel approach using electromagnetic waves to solve partial differential equations, specifically the Helmholtz wave equation. The innovative structure, known as a metatronic network, effectively behaves like a grid of T-circuits and allows for control over PDE parameters.
Researchers at Shanghai Jiao Tong University develop a novel method for broadband frequency conversion using X-cut thin film lithium niobate, achieving a bandwidth of up to 13 nanometers. This breakthrough enables on-chip tunable frequency conversion, opening the door to enhanced quantum light sources and larger capacity multiplexing.
Recent breakthroughs have made microcombs more efficient, enabling portable and easy-to-use devices for various scientific tasks. These devices have enabled applications such as spectroscopy, optical frequency synthesis, astronomical calibration, and LiDAR.
Scientists developed a technique to engineer LHPs with controlled size distribution of quantum wells, improving efficiency and stability in LEDs and lasers. By controlling nanoplatelets' growth, they achieved excellent energy cascades, enhancing photovoltaic performance and stability.
A new study by Prof. Yaron Bromberg and Dr. Ohad Lib from the Hebrew University of Jerusalem has made significant progress in quantum computing through photonic-measurement-based quantum computation. They successfully generated cluster states with over nine qubits at a frequency of 100 Hz, overcoming scalability barriers.
The University of Virginia has been awarded an $8 million grant to develop compact, chip-scale photonic systems that enhance the sensitivity of optical detectors. These advancements have the potential to transform fields like night vision technology and biomedical imaging.
Researchers create a miniature, chip-based 'tractor beam' that can capture and manipulate cells at distances of over a hundred times further away from the chip surface. This technology has the potential to revolutionize biologists and clinicians' ability to study DNA, classify cells, and investigate disease mechanisms.
Researchers at Tampere University have observed hidden deformations in complex light fields for the first time. These deformations carry significant information about the object, such as its material properties. The study has implications for measuring material properties with structured waves and will inspire new optical technologies.
Researchers at MIT developed a security protocol that leverages quantum mechanics to guarantee secure data transmission during deep-learning computations. The protocol encodes data into laser light, making it impossible for attackers to copy or intercept information without detection.
Researchers investigate underlying mechanisms of photonic phase transitions in one-dimensional Rayleigh scattering systems, uncovering unique laws governing the phenomenon. They propose a model that reveals an analogy between temperature and disorder in magnetic spin glass phases, shedding light on universal phase transition mechanisms.
Researchers have developed a new technique to study anisotropic materials, capturing full complexity of light behavior in these materials. The method revealed detailed insights into how light scatters differently along various directions within materials, allowing retrieval of scattering tensor coefficients.
Researchers at the University of Warsaw developed a quantum-inspired super-resolving spectrometer that uses latent information carried by photons to improve spectral resolution. The device offers over a two-fold improvement in resolution compared to standard approaches and has potential applications in optical and quantum networks.
Scientists at Chalmers University of Technology have successfully combined nonlinear and high-index nanophotonics in a single nanoobject, creating a disk-like structure with unique optical properties. The discovery has great potential for developing efficient and compact nonlinear optical devices.