Articles tagged with Photonics
The researchers created a novel method for using cholesteric liquid crystals in optical microcavities, enabling the formation and dynamic tuning of photonic crystals. This breakthrough research has the potential to revolutionize photonic engineering by opening up new perspectives in the manipulation of light.
Researchers at EPFL's Bionanophotonic Systems Laboratory developed a biosensor that detects biomolecules using inelastic electron tunneling, enabling ultra-sensitive and real-time detection without bulky equipment. The sensor can detect amino acids and polymers at picogram concentrations, rivaling advanced sensors.
Researchers from Hunan University uncover buildup dynamics of harmonic mode-locking in fiber-based Mamyshev oscillators, achieving high stability and signal-to-noise ratio. The study identifies five distinct phases in the generation of stable harmonic mode-locking, challenging conventional understanding of laser emission.
The University of Ottawa's SUNLAB has developed a simulation model for multi-junction photonic power converters, which enable the conversion of laser light into electrical power with higher efficiencies and voltages. This technology could lead to more reliable telecommunication networks, reduce costs by enhancing systems performance, a...
Researchers from OIST develop new quantum AI method for image recognition based on boson sampling, achieving highly accurate results without complex training. The approach uses a linear optical network and preserves information, outperforming classical methods in various datasets.
Researchers at the University of Michigan discovered a class of materials with exciting properties for transporting photonic information, including unidirectional transport and defect-free light. The topological insulators' band gap size can be up to 100 times larger than current records, enabling new applications in optical devices.
Conjugated polymers (CPs) offer unique advantages in modern electronics and photonics, featuring high flexibility and solution processability. Recent advancements and future prospects are highlighted in a comprehensive review exploring their role in nanoelectronics and photonics.
Researchers have developed a new method to 3D-print glass structures with nanoscale precision, achieving nearly 100% reflectance in the visible spectrum. This breakthrough opens up a broader role for glass in nanophotonics, including wearable optics, integrated displays, and sensors.
A research team from Tampere University and Université Marie et Louis Pasteur has demonstrated a novel way to process information using light and optical fibers. The study used femtosecond laser pulses and an optical fiber to mimic the processing of artificial intelligence, achieving accuracy of over 91% in under one picosecond.
Researchers at Aston University have developed a new class of ultralow loss optical microresonators that can be widely tunable and precisely controlled. The devices, formed at the intersection of two optical fibers, hold potential applications in communication, computing, sensing and more.
MIT researchers create a novel AI hardware accelerator that performs machine-learning computations at the speed of light, classifying wireless signals in nanoseconds. The photonic chip is scalable, flexible, and energy-efficient, making it suitable for future 6G wireless applications.
Researchers have developed glass-epoxy-based waveguides with low polarization-dependent loss and differential group delay, suitable for stable signal transmission in co-packaged optics. The waveguides demonstrated high power stability and reliability under six hours of continuous use.
Researchers at the University of Utah have developed a multifunctional device that can be adjusted on the fly to give light different degrees of circular polarization. The device leverages phase-change materials and carbon nanotubes to store information in a property of light known as chirality.
A research team at POSTECH developed a metasurface technology that can display multiple high-resolution images on a single screen, overcoming conventional holographic limitations. The innovation uses nanostructure pillars to precisely manipulate light, allowing for different images based on wavelength and polarization direction.
Researchers have developed a new platform using dispersion-managed silicon nitride microresonators to suppress timing jitter, achieving femtosecond-level precision. This breakthrough enables the deployment of chip-scale solitons in space navigation, ultrafast data networks, and quantum measurement systems.
A new photonic accelerator based on a nonlinear optoelectronic oscillator (NOEO) has been proposed to speed up reinforcement learning in AI. The accelerator outperformed existing methods, achieving high speeds and accuracy in solving complex problems like the multi-armed bandit problem and Tic Tac Toe game.
Researchers have developed thin films that can compress infrared light, improving its propagation distance and wavelength range. The technology has potential applications in thermal management, molecular sensing, and photonics.
Researchers at U of A create a transistor that operates at speeds over 1,000 times faster than modern computer chips. The breakthrough uses quantum effects to manipulate electrons in graphene, enabling ultrafast processing for applications in space research, chemistry, and healthcare.
Researchers have developed a theoretical model that enhances passive radiative cooling by generating positive photon chemical potential, allowing for more efficient heat emission. The system can reach cooling powers of up to 485 watts per square meter, surpassing typical radiation power from a blackbody at room temperature.
Scientists at UC Riverside are investigating plasmonic materials that can transfer energy when struck by light. Their findings could lead to sensors capable of detecting molecules at trace levels and other technologies with practical applications.
Researchers at Pohang University of Science & Technology (POSTECH) have developed an achromatic metagrating that handles all colors in a single glass layer, eliminating the need for multiple layers. This breakthrough enables vivid full-color images using a 500-µm-thick single-layer waveguide.
Researchers have developed a single-layer antireflective coating using polycrystalline silicon nanostructures that sharply reduces sunlight reflection across a wide range of wavelengths and angles. The coating achieves unprecedented results for a single-layer design, setting a new standard for solar cells.
Researchers can now study microstructures inside metals, ceramics, and rocks with X-rays in a standard laboratory without needing a particle accelerator. The new technique, lab-3DXRD, enables quick analysis of samples and prototypes, providing more opportunities for students.
Researchers have developed a new portable Raman analyzer that can accurately measure very low concentrations of hydrogen gas in ambient air. The instrument can detect hydrogen leaks from a distance, making it a crucial tool for ensuring safety and minimizing losses in industrial settings.
Researchers develop a new coronagraph that can detect exoplanets obscured by light from their parent stars, providing insights into the possibility of life beyond Earth. The device uses spatial mode sorters to isolate and eliminate starlight, capturing images of exoplanets with unprecedented sensitivity.
Researchers have created a breakthrough photonic chip that can train nonlinear neural networks using light, accelerating AI training while reducing energy use. The chip uses a special semiconductor material to reshape how light behaves, enabling reconfigurable systems with wide mathematical function expression.
Scientists have developed an all-optical activation function based on sound waves for photonic computing, enabling the creation of energy-efficient artificial intelligence systems. This breakthrough could potentially facilitate the scaling up of physical computing systems and pave the way for more efficient optical neural networks.
Researchers integrated 2D CuCrP₂S₆ onto silicon microring resonators, achieving compact, efficient non-reciprocal optical response with low insertion loss and high isolation. The device operates directly in the transverse electric mode, eliminating polarization rotators and simplifying integration.
A new amplifier developed by Chalmers University of Technology can transmit ten times more data per second than current systems, holding significant potential for various critical laser systems, including medical diagnostics and treatment. The amplifier's large bandwidth enables precise analyses and imaging of tissues and organs.
Researchers have discovered a new way to characterize terahertz quasi-bound states by inducing abrupt lateral beam shifts. These shifts can be controlled and potentially used in next-generation sensors and wavelength division multiplexers.
A team of researchers from Télécom Paris and Politecnico di Milano has developed a system of optical micro-antennas integrated into a programmable photonic chip, which can adapt in real time to restore chaotic signals. This innovation paves the way for chaos-based encryption for secure high-speed communication in hostile environments.
Researchers have developed an on-chip twisted moiré photonic crystal sensor that can simultaneously measure wavelength, polarization, and perform hyperspectral imaging. The device uses MEMS technology to control the twist and distance between layers in real time.
Three UVA Engineering faculty members have been elected as AAAS Fellows for their groundbreaking work in computer architecture, energy transport, and hydrology. Sandhya Dwarkadas, Patrick E. Hopkins, and Venkataraman Lakshmi were recognized for their innovative research and contributions to their respective fields.
The study outlines opportunities for advancing fundamental understanding of wave-matter interactions, unlocking exotic effects such as perfect absorption and super-resolution imaging. Complex frequency excitations offer an alternative approach to enhance wave control using conventional materials.
A new study achieves substantial wavelength tuning at ambient conditions, surpassing previous reports by an order-of-magnitude. The breakthrough enables the development of programmable light sources with potential applications in secure quantum communication and photonic-based computing.
Researchers developed a new liquid-crystal-based platform to handle hundreds of optical modes in compact two-dimensional setups, overcoming optical losses. This breakthrough enables the scalability of quantum simulations and all-optical AI systems.
Researchers have experimentally confirmed complex synchronisation patterns in oscillatory systems, including leaf-like structures and gaps representing unsynchronised states. This breakthrough builds on previous studies using breathing-soliton lasers to explore nonlinear dynamics.
Researchers develop a groundbreaking 3D photonic-electronic platform that achieves unprecedented energy efficiency and bandwidth density for AI hardware. The innovation addresses critical challenges in data movement, enabling faster and more efficient AI technologies.
The event will feature major announcements in AI-driven networking, 1.6T advancements, quantum technologies, and next-gen optical innovations. Over 13,500 attendees are expected, with nearly 100 California-based companies participating.
Researchers at the Advanced Science Research Center have developed a groundbreaking method to excite phonon-polaritons using an electrical current, enabling the creation of novel nanoscale lasers and efficient electronic device cooling. The discovery could lead to transformative advancements in energy-efficient, compact technologies.
Researchers at Heriot-Watt University discovered a way to manipulate the optical properties of light by adding a new dimension—time. This breakthrough enables extraordinary light transformations, including amplification and quantum states, with ultra-fast pulses of light.
Researchers have developed a new low-energy membrane photonic device that enables high-speed data transmission with minimal power consumption. The device was integrated into an optical link on a silicon wafer and demonstrated the ability to transmit 50- and 64-Gbit/s non-return-to-zero signals with just 0.14 or 0.26 pJ/bit of energy.
Researchers have developed a photonic-chip-based amplifier that achieves ultra-broadband signal amplification in an unprecedentedly compact form. The new amplifier uses optical nonlinearity to boost weak signals while keeping noise low, making it highly adaptable to various applications beyond telecommunications.
UC Santa Barbara researchers develop photonic integrated 3D-MOT, a miniaturized version of equipment used to trap and cool atoms. This innovation enables new applications in sensing, precision timekeeping, and quantum computing, and paves the way for accessible quantum research projects.
The study introduces a new way to apply cellulose nanocrystals, resulting in high-strength, reconfigurable, and mechanochromic hydrogels with improved mechanical properties and dynamic color-changing abilities. These materials have potential uses in sustainable bioplastics, flexible electronic substrates, and smart photonic devices.
A recent study reveals three distinct mechanisms of recombination in photocatalytic water splitting, including over-penetration induced recombination and excess hole induced recombination. The discovery of a previously unknown slow reaction, called the 'satellite peak,' is crucial for pinpointing the rate-limiting step in water splitting.
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.