Articles tagged with Photonics
Researchers developed a new contrast agent using ytterbium to overcome concentration quenching, allowing for improved optical imaging resolution beyond CT and PET technology. The breakthrough enables clearer visualization of whole mice, opening up potential applications in bio-imaging.
A team of researchers led by Prof. DU Shengwang from HKUST achieved a breakthrough in photonic quantum memories, boosting efficiency to over 85% and fidelity to over 99%. This finding brings the dream of an 'universal' quantum computer closer to reality.
Araceli Venegas-Gomez, a Ph.D. student at University of Strathclyde, has received the Milton and Rosalind Chang Pivoting Fellowship to become a global ambassador for quantum technologies. She aims to bridge gaps between academia and industry, promoting public understanding and support for optics and photonics.
Researchers create a 240-by-240 array of microscopic 'traffic cops' that can control light beams faster and more efficiently than ever before. The new photonic switch has the potential to transform how information travels through data centers and artificial intelligence networks, overcoming limitations of current electrical switches.
Researchers developed an ultra-thin optical chip that detects biomolecules in a sample and determines their location using metasurfaces. The technology uses image analysis to count biomolecules one by one and identify trends, demonstrating its potential for personalized medicine.
A team of UC San Diego engineers is developing an Integrated Photonics Education Kit (IPEK) to teach undergraduates practical skills in integrated photonics. The kit, priced at $1,500, offers a portable and robust platform for hands-on training.
A team of University of Central Florida researchers has developed the first supersymmetric laser array, which overcomes a long-standing problem in laser science. The findings have promising applications in various fields, including medicine, military, industry and communications.
A new measurement technique called COSPLI enables researchers to map and measure large-scale photonic quantum correlation with single-photon sensitivity, a critical step towards making photon-based quantum computing practical. The method uses CCD cameras and suppresses noise to detect signals from individual photons.
Researchers have developed an integrated silicon photonic switch capable of processing 240 inputs and 240 outputs simultaneously, achieving the lowest signal loss ever reported. The device, measuring 4cm x 4cm, surpasses previous records by nearly doubling the size of existing silicon photonic switches.
Researchers discovered a novel mechanism for high-quality optical resonators by exploiting the mutual destructive interference of two low-quality optical states. This allows for secure light trapping in various materials at small scales, enabling the creation of compact devices like sensors and filters.
Researchers use hyperbolic metamaterials to 'fingerprint' and obtain spatial and material information about nanometer-scale objects. The method resolves features down to 20 nanometers apart, potentially finding applications in biomolecular measurement and industrial product monitoring.
Researchers developed the smallest optical frequency comb source, achieving integrated soliton microcomb with ultra-low losses and fast optical feedback. The compact device operates at 88 GHz repetition rate and offers potential for mass-manufacturable applications in LIDAR and data-centers.
The InPulse pilot line project enables new-entrant companies direct access to state-of-the-art manufacturing of photonic integrated circuits (PICs) based on indium phosphide. This will accelerate product development and enable start-ups to enter the market.
Researchers have developed a hybrid technology combining light and magnetic hard drives, enabling fast and efficient data storage. The new photonic memory devices can store information in magnetic bits without energy-costly electronics, promising to revolutionize future photonic integrated circuits.
Quside co-founder and CEO Dr. Carlos Abellan has been recognized by the European edition of the MIT Technology Review's 35 Innovators Under 35 list for his work on quantum random number generators. The technology, which enables gigabit-per-second quantum random numbers, is crucial for ensuring long-term data protection in a hyper-conne...
The project aims to drastically reduce costs and time for the pilot production of new photonic products, enabling a thousand new companies and thousands of jobs. The new facility will utilize a shared use model to combine PICs from different companies on one wafer, reducing costs.
Researchers at NIST discovered that oxide-coated silicon photonic devices can withstand up to 1 million gray of radiation exposure, making them suitable for measuring radiation dose in medical and industrial applications. This breakthrough could lead to the development of precise radiation sensors for medical imaging and therapy.
Researchers at ITMO University propose a new approach to creating tractor beams using hyperbolic metasurfaces, which can capture particles and cells. The study shows that these materials have the potential for practical applications in experiments and traps.
Researchers demonstrate graphene-based photonic devices for ultra-wide bandwidth communications coupled with low power consumption. The findings have the potential to surpass the demands of 5G, IoT, and Industry 4.0.
Researchers developed a simpler method to generate multiple frequency combs using small devices called optical microresonators. The technology generates up to three frequency combs simultaneously, reducing the need for complex synchronization electronics and enabling faster acquisition times.
Researchers at the University of Sydney have developed a chip-based technique that uses acoustic noise to increase signal capacity and processing speed in local networks. The new technology harnesses stimulated Brillouin scattering to extract and regenerate electronic signals, promising to reduce latency in high-speed services such as ...
A team of scientists, led by Dr. Shen, is working on developing a two-photon controlled-phase logic gate, an essential building block for optical quantum information. The team aims to overcome the difficulty in manipulating photons and create a fundamental component for photonic quantum computation.
Researchers have developed the first device that can measure the single-electron charge of one quantum dot using a second as a sensor, enabling real-time detection of single-electron tunneling. This breakthrough could aid in the development of advanced nanoelectronics and quantum computing.
Researchers have developed a topological photonic chip to process quantum information, demonstrating high-fidelity quantum interference and paving the way for scalable quantum computers. The breakthrough could lead to new materials, generation computers, and deeper understanding of fundamental science.
Scientists at the University of Sussex have created a blueprint for airport scanners capable of detecting explosives using a single pixel camera and Terahertz electromagnetic waves. The innovative imaging concept, Nonlinear Ghost Imaging, produces high-accuracy images of objects' chemical composition, surpassing previous studies.
Researchers at Vanderbilt University created a structure that concentrates light powerfully, nearly indefinitely, using a simple equation. The bowtie-funnel combo amplifies input light in a small region, enabling low-power manipulation of information on computer chips.
The KAIST research group created photonic capsules that can be injected into any target volume, exhibiting omnidirectional laser emissions. The capsules contain cholesteric liquid crystals (CLCs) with helical nanostructures, which reflect circularly-polarized light and enable wavelength-tunable lasing.
Researchers at Los Alamos National Laboratory have developed carbon nanotube optics for optical-based quantum cryptography and quantum computing. The team's work involves integrating nanotubes into photonic cavities to manipulate light-emission properties and creating single-photon emitters for quantum info-processing.
Researchers have developed a new route to molecular modelling using photonic quantum technologies, which could lead to more efficient pharmaceutical developments. The method simulates the motion of atoms within molecules at the quantum level, allowing for a frame-by-frame reconstruction of atomic motions to create a virtual movie.
Researchers have developed a method to simulate molecular motion using a photonic chip, allowing for the creation of virtual movies of molecular dynamics. This technology has the potential to improve the accuracy of molecular models and aid in the development of new pharmaceuticals.
A new compression bandage developed by MIT engineers features pressure-sensing photonic fibers that change color in response to pressure. This allows caregivers to gauge the optimal pressure and adjust the bandage accordingly.
Researchers have demonstrated a light-based system that can avoid jamming in wireless communication networks, using a neural algorithm inspired by a cave-dwelling fish. The system could enable more efficient use of limited bandwidth and reduce costs for service providers.
Researchers at USTC have created a 4-port device that breaks the reciprocity of light transmission in dielectric materials, enabling various functions like optical circulators and directional amplifiers. The device uses an optomechanical resonator and can be controlled with a single-photon level.
Researchers developed a miniaturized FTIR spectrometer based on silicon photonics, overcoming technical challenges to monitor greenhouse gases remotely. The device achieved resolutions comparable to commercially available portable spectrometers.
Researchers from Boston University, MIT, UC Berkeley, and CU Boulder develop a method to fabricate silicon chips that can communicate with light, speeding up data transfer and reducing energy consumption. The technology is compatible with current chip manufacturing processes and could revolutionize computing and mobile devices.
A new technique allows for the assembly of optical and electronic components on separate layers of silicon, enabling the use of modern transistor technologies. This breakthrough increases the speed and reduces the power consumption of chips, which is crucial as transistors continue to rise in count.
A team of researchers has discovered new evidence for color in Mesozoic fossils, revealing that intricate microstructures created the metallic bronze to golden colors found on ancient butterfly wings. This study extends the evidence for light-scattering structures in insect fossil records by over 130 million years.
Researchers have developed a new waveguide technology that suppresses bend loss in 3D photonic integrated circuits, allowing for the creation of compact devices. The technology uses femtosecond laser direct writing to inscribe modification tracks in fused silica, increasing refractive index contrast and reducing bending losses.
Researchers have developed III-V quantum-dot lasers that can be integrated with silicon, offering significant energy savings and improved performance. The lasers can operate at higher temperatures and scale down to smaller sizes, making them promising for photonic circuits.
A new laser technique can detect even trace amounts of chemicals in the air, making it possible to alert communities to biological or chemical attacks. The technology is accurate and sensitive enough to determine if there is a molecule of any chemical present at concentrations as low as one part per billion.
Researchers at ITMO University have created a new type of curved light beam called a photonic hook, which can improve optical system resolution and control nanoparticles. The technique uses a dielectric particle to bend the light beam, allowing for the manipulation of individual cells, viruses, or bacteria on a nanoscale.
A team of researchers at NIST developed a new laser source, called frequency combs, to detect chemicals with greater sensitivity. These lasers can pass through samples without direct contact, enabling remote spectroscopy and high-sensitivity measurements for applications such as breath analyzers, cancer detection, and explosives tracking.
A new technique enables real-time measurement of laser pulses with sub-picosecond resolution, revealing complex collapse and oscillation dynamics before stabilization. This breakthrough has important implications for designing and improving ultrafast pulsed lasers.
The Lehigh University team is building a new High Pressure Spatial chemical vapor deposition (HPS-CVD) reactor to create new materials with extreme conditions. The device will enable the growth of III-nitride and oxynitride semiconductors, paving the way for sustainable energy solutions and innovative technologies.
Researchers developed a device that combines metasurface lenses with MEMS technology, enabling fast scanning and beam steering. The integrated device can control the angular rotation of a flat lens and scan the focal spot by several degrees.
A new tool using biomedical photonics is being explored to improve uterine transplant surgery by providing real-time data on tissue perfusion and viability. The study found that multispectral imaging proved effective in mapping oxygen saturation over the entire graft, demonstrating advantages over existing methods.
A new study demonstrates the feasibility of using terahertz carrier waves for data transmission in diverse situations and environments. Researchers successfully measured data transmission at high frequencies, including non-line-of-sight applications.
Researchers in Australia have developed a novel platform for light-matter interaction in fiber optics, opening up new horizons for communication and photonics technology. The system uses terahertz radiation with higher bandwidth capacity than current microwave networks.
Researchers at Penn Engineering have developed an optical switch that can mimic the behavior of electronic transistors, enabling efficient signal processing and computation. The breakthrough, achieved by precisely controlling light waves using tailored electric fields, could lead to significant advances in photonic computing.
Researchers successfully identified pulmonary metastases in a patient with osteosarcoma, making it easier to locate tumors for resection. The technique utilizes targeted fluorescence and binds to specific molecular markers, allowing for the detection of small or hard-to-locate nodules.
Dark excitons, bound pairs of an electron and hole, can store information in their spin state, but reading their spins is hard due to lack of light emission. New experiments overcome this by introducing a microlens that captures more photons, enabling researchers to detect dark exciton spins more efficiently.
A new vector polarizer design has been developed, enabling flexible filtering of a wide range of light sources and generation of new light states. This advancement can improve optical systems such as super-resolution microscopy and quantum communications.
Researchers from UNIST and University of Maryland developed a core technology for quantum photonic devices using silicon chips. They integrated quantum dots with silicon photonic technologies to create single photon emitters, paving the way for innovative applications in quantum computing and communication.
Researchers have created thin crystal ferromagnetic films with potential applications in spintronics and photonics. The developed technology allows for specific shaping of the films using etching processes, opening up new possibilities for energy-efficient and high-speed devices.
A nanoscale optical 'abacus' has been developed using pulses of light to perform arithmetic computations. The innovative device can carry out basic functions such as addition, subtraction, multiplication, and division using picosecond light pulses.
Researchers from the University of Freiburg have developed a method to trap ions in optical traps, preventing driven motion and allowing for longer lifetimes. This breakthrough enables the creation of ultra-cold temperatures and observation of quantum effects in chemical processes.
Researchers at TIFR devise compact terahertz radiation source using laboratory liquids, achieving energies thousands of times larger than existing sources. The discovery opens doors to applications in terahertz imaging, material analysis, and explosives detection.
Scientists have successfully developed a zero-index waveguide compatible with current silicon photonic technologies, allowing them to observe standing waves with infinitely-long wavelengths. This breakthrough could enable the creation of ultra-compact optical devices and pave the way for new quantum computing applications.
Researchers pack laser-written structures deep into silicon chips, enabling arbitrary 3D fabrication without layers above or below. The method also enables creating functional optical devices and 3D sculpturing of entire wafers.
Researchers fine-tune DNA-based thin films to achieve a range of refractive indexes four times greater than silicon, enabling the creation of thinner optical fibers. This could lead to applications in photodynamic therapy, optogenetics, and biosensors.