Articles tagged with Photonics
Researchers created a cloaking device to minimize crosstalk between photonic devices, enabling the packing of billions of devices into a single chip. This technology could lead to significant power consumption reductions and lower carbon emissions in data centers.
Begonia species have evolved a nanoscale light-trapping structure to harvest energy in low-light environments. The iridoplasts, found only in dark conditions, reflect blue light and absorb green light to maximize photosynthesis.
Photonics may provide solutions to NASA's pressing challenges in future spaceflight, including improved space communications and reducing mission payloads. Laser communications have the potential to increase data rates at least 10 to 100 times better than RF systems.
Researchers developed a fast random number generator based on quantum mechanical processes, enabling secure encryption keys in tiny packages. The device operates at speeds of gigabits per second, suitable for real-time encryption and complex simulations.
Researchers demonstrate optomechanically induced non-reciprocal transparency and amplification in a microresonator, enabling the creation of controllable isolators and circulators. A non-reciprocal phase shift of up to 40 degrees is achieved using two oppositely propagating driving fields.
Researchers at MIT and Sandia National Laboratories describe a new way to build terahertz lasers that reduce power consumption and enable tighter beams. The device is an array of microfabricated lasers on a single chip, with phase-locking technology that recaptures lateral radiation, resulting in a tighter beam.
Researchers developed a new technique for fast photonic sensing of freely flowing particles using an opto-mechano-fluidic resonator. The sensor measures compressibility and viscoelasticity of cells and bioparticles, which correlates with diseases like cancers and anemia.
Plants utilize microfluidics and optics to control movement, photosynthesis, and water transport, highlighting the intersection of light and fluid in plant physiology. Researchers explore how plants optimize energy conversion, conserving water through stomata control.
A team of researchers led by Robert W. Boyd has demonstrated up to 100 times greater nonlinearity in indium tin oxide than other known materials, revolutionizing photonics applications. This breakthrough opens the door for more careful study of the material's unique properties and potential applications.
Scientists at the University of Southampton have developed a method for reconfigurable optical elements using multimode interference devices. The team shows that intricate interplay between modes can be dynamically controlled, allowing to freely route light in a static silicon element.
Scientists at ETH Zurich and IBM Research have developed a new method to manufacture micro-objects with precisely defined magnetic, non-magnetic and differently charged areas. The technique enables the creation of small rods, tiny triangles and basic three-dimensional objects.
Researchers from Cardiff University have demonstrated the first practical laser grown directly on a silicon substrate, paving the way for ultra-fast communication between computer chips. The breakthrough has the potential to transform various sectors, including communications, healthcare and energy generation.
Scientists at JPL have designed a high-throughput pushbroom imaging spectrometer that can provide Landsat swath and resolution with better than 10 nm per pixel spectral resolution. This design enhances the science potential of Landsat, allowing for better understanding of glacial melt, urbanization, and water sources.
NASA engineers have developed a groundbreaking integrated-photonics modem that will enable high-speed, laser-based communications at unprecedented rates. The modem is expected to transform industries such as telecommunications, medical imaging, advanced manufacturing, and national defense.
Engineers successfully marry electrons and photons within a single-chip microprocessor, achieving a bandwidth density of 300 gigabits per second per square millimeter. The photonic I/O on the chip is also energy-efficient, using only 1.3 picojoules per bit.
Professor José Azaña has been elected Fellow by the Optical Society (OSA) in recognition of his remarkable contributions to ultrafast photonics. He is the only Quebec academic and one of three Canadian researchers among this year's group of 77 OSA Fellows.
A $400,000 NSF-funded study at RIT examines workplace trends in photonics and optics to prepare students for emerging jobs. The research identifies key math, physics, and communication skills used in the industry.
The UK has announced a £20 million investment for two manufacturing research Hubs, addressing key challenges and seizing opportunities in the sector. The Hubs will focus on commercializing early-stage research in engineering and physical sciences, with potential impacts on industries such as automotive and healthcare.
Researchers at Pohang University of Science and Technology have made significant advancements in organic light-emitting diodes (OLEDs) for solid-state lighting. The team developed flexible electrodes using graphene, conducting polymers, and silver nanowires, which demonstrated good electrical, optical, and mechanical performance.
Researchers at National Chiao Tung University developed a highly flexible white light LED that uses pre-existing technologies, allowing easy replication and build-on the platform. The device demonstrated high efficiency, durability, and flexibility, making it suitable for wearables and non-flat surfaces.
The Integrated Photonics Institute for Manufacturing Innovation aims to stimulate new investment and industrial growth based on photonics technology. UC Davis' Center for Nano and Micro Manufacturing will play a major role in the West Coast hub of the institute.
Scientists have developed a new type of photonic channel that allows them to control the direction of photon emission, enabling the creation of complex quantum circuits. This breakthrough discovery has significant implications for building large-scale quantum computers and could lead to major advancements in chemistry and materials tec...
Researchers used OCT to study brain vascular imaging during real-time experimental stroke, revealing high-resolution images of in vivo vascular networks and biologically initiated rescue mechanisms. This could provide guidance for clinicians treating stroke patients.
Electrical engineers have developed a method to increase the distance information can travel in fiber optic cables without distorting the signal. By using wideband frequency combs, they can predict and reversible crosstalk between communication channels, enabling longer transmission distances and cheaper networks.
Researchers at Qualcomm MEMS Technologies developed a display technology that harnesses natural ambient light to create an unprecedented range of colors. The new design uses a mirror and absorbing layer to reflect more of the incoming light, enabling the full spectrum of visible light to be displayed.
Engineers created an ultracompact beamsplitter to divide light waves into two channels, bringing researchers closer to silicon photonic chips that compute with light instead of electrons. This technology could significantly increase the power and speed of machines such as supercomputers, data center servers, and mobile devices.
Peter Lodahl, professor at the University of Copenhagen, has received a 18.6 million kroner grant from the European Research Council to develop technology for quantum communication based on photonics. The project aims to create scalable quantum photonic networks.
Researchers develop a new detection scheme to create an optical gyroscope with a tiny size, potentially enabling compact navigation systems for aerospace technology. The new design allows for improved sensitivity, opening up opportunities for micro-payloads in space missions.
Researchers at the University of Bristol have successfully integrated quantum teleportation circuits onto a photonic chip, overcoming scalability limitations. This breakthrough enables the development of ultra-high-speed quantum computers and strengthens communication security.
A new type of thin film, composed of both inorganic and organic materials, has been developed to create flexible and durable touch screens. The hybrid films show higher transparency and flexibility compared to traditional inorganic materials.
Researchers have created a novel solid-state technology platform that enables the use of terahertz photonics in various applications. The new nanodetectors can detect frequencies greater than 3 THz and offer competitive noise equivalent powers with commercially available technologies.
Researchers propose using photonic booms to map asteroid surfaces and study celestial objects, offering new insights into the universe. High-speed cameras could capture these flashes, revealing previously unknown information about asteroids and other cosmic bodies.
Researchers are developing a new generation of photonic integrated circuits that use photons instead of electrons to transmit data. This technology has the potential to transform data communications and enable faster, smaller components for the growing number of Internet-connected devices.
Researchers at Université Laval have developed smart textiles that can monitor and transmit wearers' biomedical information, including glucose levels, heart rhythm, and brain activity. The technology has the potential to revolutionize healthcare for people with chronic diseases and elderly individuals living alone.
Researchers successfully imaged carboxysome particles, a key component in photosynthetic bacteria's carbon fixation process, using an X-ray laser method. The technique enables single-particle imaging of objects with varying size and shape, shedding light on the structure and dynamics of life's smallest units.
Researchers have developed an optical oscilloscope with 20 times the resolution of conventional electronics, enabling low-power, high-speed processing on compact chips. The technology is made possible by a collaboration between industry partners Alnair Labs Corporation and Australian academia.
A new paint-on, see-through 'smart' bandage glows to indicate tissue oxygenation concentration, enabling direct measurement for improved wound care. The bandage's phosphorescence emits light based on oxygen levels, allowing for non-invasive monitoring of wounds and burns.
The National Science Foundation has awarded $18 million in grants to research nine teams of scientists working on 2-D atomic-layer research and engineering. These researchers aim to create new devices for photonics, electronics, sensors and energy harvesting by exploring the properties of two-dimensional materials.
Researchers at UC San Diego built the first 500 GHz photon switch, enabling ultrafast optical control and opening a new class of sensitive receivers. The team developed a measurement technique to resolve sub-nanometer fluctuations in the fiber core, critical for fast switching and processing.
Scientists at the Joint Quantum Institute have successfully demonstrated on-chip topological light, showcasing a robust and consistent method for photonic signal processing. The breakthrough enables the development of microscale delay lines with low energy loss, opening up new possibilities for quantum information processing.
The new journal Neurophotonics adds to the rapidly growing understanding of the brain through advanced optical methods and applications. Key findings include photoacoustic tomography techniques that display brain activity with high accuracy, and novel technologies for brain energy metabolism.
The University of Rochester's Center for Emerging and Innovative Sciences will lead the development of a national roadmap for photonics manufacturing. The initiative aims to address critical gaps and strengthen the US's share in global photonics manufacturing, which has dropped to less than 10%.
Researchers at KIT and EPFL demonstrated the use of miniaturized optical frequency comb sources for coherent data transmission in the terabit range, achieving a data rate of 1.44 terabits per second over 300 km.
Researchers at the University of Bristol have developed a scheme to enable quantum cryptography on mobile phones, using photons as information carriers. This breakthrough technology has the potential to make secure communication available to the general public.
Researchers have demonstrated a novel quantum dot laser grown on silicon substrates, performing as well as similar lasers grown on their native substrates. This breakthrough enables large-scale photonic integration in an ultra low-cost platform.
Researchers demonstrate low-power photonic devices fabricated using standard chip-making processes, achieving energy efficiencies competitive with electronics. The advancements enable the commercialization of photonic technology, accelerating its adoption in computing and communication applications.
The Optical Society (OSA) has announced the launch of a new open-access journal, Optica, which will publish original research articles and letters in all areas of optics and photonics. The first issue is set to be published in July, with a renowned editorial board led by professor Alex Gaeta.
EPFL scientists have discovered optical dissipative solitons in small millimeter-size optical resonators, producing extremely short and high-rate light pulses. This breakthrough has significant implications for applications such as astronomy, chemists' analysis, and telecommunication networks.
Researchers at Luz WaveLabs have developed a Terahertz generator with a signal quality one million times greater than current technology. The device uses an 'optic seed' to synthesize high-quality THz signals, making it suitable for various applications including security systems, cancer detection, and industrial inspection.
A new method to detect and identify molecules has been discovered by Richard Martel's team, enabling the use of optical scanners to pinpoint particles. The technique uses nanoprobes composed of dye molecules aligned inside carbon nanotubes, which amplify Raman signals up to a million times stronger than other molecules.
The new journal will cover a range of topics including microscopic methods, optogenetics, and computational methods relevant to understanding brain function. It aims to foster greater awareness and interaction among the photonics, neuroscience, and clinical communities.
Researchers at Joint Quantum Institute report direct observation of topological effects for light in two dimensions, creating ultrastable quantum 'playgrounds.' Photonic edge states exhibit persistent flow and near immunity against defects, similar to quantum Hall effect for electrons.
Scientists demonstrate that a single nano-diamond can act as an efficient optical switch, enabling fast information processing and quantum computer operations. The innovation combines small dimensions with high speeds, operating at room temperature.
Researchers achieve world-record rate of 100 gigabits per second via wireless data transmission. The method integrates photonic and electronic technologies to generate high-frequency radio signals, enabling efficient transmission over long distances without intermediate electronic circuits.
Researchers at CU-Boulder and MIT have developed a new technique to integrate light-based communication into microprocessors, promising exponential improvement in computing speed. This innovation could lead to extremely energy-efficient computing and the continuation of Moore's Law, which has driven rapid advancements in electronics.
Researchers at Harvard University and MIT have successfully bound photons together to form a new type of matter, dubbed photonic molecules. This breakthrough challenges traditional understanding of light as massless particles that don't interact with each other.
TNO researchers Alexander Toet and Maarten Hogervorst win the Rudolf Kingslake Medal for their work on statistical mapping approach for night-vision applications. The paper presents an overview of their progress in achieving color constancy and computational simplicity.
The Journal of Medical Imaging will cover fundamental and translational research and applications focused on photonics in medical imaging. The journal will mirror the scope of the annual SPIE Medical Imaging symposium, covering topics such as imaging physics, tomographic reconstruction algorithms, image processing, and more.
Researchers have explored using terahertz radiation to detect early signs of melanoma, which starts in pigment-producing cells beneath the skin. T-rays can penetrate a few millimeters through cloth and skin, allowing for biochemical signatures of cancer to be detected, potentially leading to earlier diagnosis and treatment.
University of Warwick researchers have successfully tied liquid crystals into knots using a miniature Möbius strip made from silica particles. The study, published in PNAS, explores the potential applications of these intricate knotted fields in designing new metamaterials and photonic devices.