Articles tagged with Fiber Optics
Comprehensive exploration of living organisms, biological systems, and life processes across all scales from molecules to ecosystems. Encompasses cutting-edge research in biology, genetics, molecular biology, ecology, biochemistry, microbiology, botany, zoology, evolutionary biology, genomics, and biotechnology. Investigates cellular mechanisms, organism development, genetic inheritance, biodiversity conservation, metabolic processes, protein synthesis, DNA sequencing, CRISPR gene editing, stem cell research, and the fundamental principles governing all forms of life on Earth.
Comprehensive medical research, clinical studies, and healthcare sciences focused on disease prevention, diagnosis, and treatment. Encompasses clinical medicine, public health, pharmacology, epidemiology, medical specialties, disease mechanisms, therapeutic interventions, healthcare innovation, precision medicine, telemedicine, medical devices, drug development, clinical trials, patient care, mental health, nutrition science, health policy, and the application of medical science to improve human health, wellbeing, and quality of life across diverse populations.
Comprehensive investigation of human society, behavior, relationships, and social structures through systematic research and analysis. Encompasses psychology, sociology, anthropology, economics, political science, linguistics, education, demography, communications, and social research methodologies. Examines human cognition, social interactions, cultural phenomena, economic systems, political institutions, language and communication, educational processes, population dynamics, and the complex social, cultural, economic, and political forces shaping human societies, communities, and civilizations throughout history and across the contemporary world.
Fundamental study of the non-living natural world, matter, energy, and physical phenomena governing the universe. Encompasses physics, chemistry, earth sciences, atmospheric sciences, oceanography, materials science, and the investigation of physical laws, chemical reactions, geological processes, climate systems, and planetary dynamics. Explores everything from subatomic particles and quantum mechanics to planetary systems and cosmic phenomena, including energy transformations, molecular interactions, elemental properties, weather patterns, tectonic activity, and the fundamental forces and principles underlying the physical nature of reality.
Practical application of scientific knowledge and engineering principles to solve real-world problems and develop innovative technologies. Encompasses all engineering disciplines, technology development, computer science, artificial intelligence, environmental sciences, agriculture, materials applications, energy systems, and industrial innovation. Bridges theoretical research with tangible solutions for infrastructure, manufacturing, computing, communications, transportation, construction, sustainable development, and emerging technologies that advance human capabilities, improve quality of life, and address societal challenges through scientific innovation and technological progress.
Study of the practice, culture, infrastructure, and social dimensions of science itself. Addresses how science is conducted, organized, communicated, and integrated into society. Encompasses research funding mechanisms, scientific publishing systems, peer review processes, academic ethics, science policy, research institutions, scientific collaboration networks, science education, career development, research programs, scientific methods, science communication, and the sociology of scientific discovery. Examines the human, institutional, and cultural aspects of scientific enterprise, knowledge production, and the translation of research into societal benefit.
Comprehensive study of the universe beyond Earth, encompassing celestial objects, cosmic phenomena, and space exploration. Includes astronomy, astrophysics, planetary science, cosmology, space physics, astrobiology, and space technology. Investigates stars, galaxies, planets, moons, asteroids, comets, black holes, nebulae, exoplanets, dark matter, dark energy, cosmic microwave background, stellar evolution, planetary formation, space weather, solar system dynamics, the search for extraterrestrial life, and humanity's efforts to explore, understand, and unlock the mysteries of the cosmos through observation, theory, and space missions.
Comprehensive examination of tools, techniques, methodologies, and approaches used across scientific disciplines to conduct research, collect data, and analyze results. Encompasses experimental procedures, analytical methods, measurement techniques, instrumentation, imaging technologies, spectroscopic methods, laboratory protocols, observational studies, statistical analysis, computational methods, data visualization, quality control, and methodological innovations. Addresses the practical techniques and theoretical frameworks enabling scientists to investigate phenomena, test hypotheses, gather evidence, ensure reproducibility, and generate reliable knowledge through systematic, rigorous investigation across all areas of scientific inquiry.
Study of abstract structures, patterns, quantities, relationships, and logical reasoning through pure and applied mathematical disciplines. Encompasses algebra, calculus, geometry, topology, number theory, analysis, discrete mathematics, mathematical logic, set theory, probability, statistics, and computational mathematics. Investigates mathematical structures, theorems, proofs, algorithms, functions, equations, and the rigorous logical frameworks underlying quantitative reasoning. Provides the foundational language and tools for all scientific fields, enabling precise description of natural phenomena, modeling of complex systems, and the development of technologies across physics, engineering, computer science, economics, and all quantitative sciences.
Researchers at Fraunhofer IOF have developed a single-material cladding light stripper with self-adapting behavior, overcoming nonlinear effects and heat buildup in thulium fiber lasers. The design enables over 20 W of stripped signal light at 2 µm and up to 675 W at 793 nm, setting a new record for single-material CLS designs.
This study compared pre-procedure lignocaine spray (PPL) and spray-as-you-go (SAYG) airway anesthesia in fiberoptic bronchoscopy. The results showed no significant differences in patient-reported pain, discomfort, coughing, or procedure duration between the two groups. However, operator comfort was slightly higher with the PPL protocol.
Four industry luminaries will discuss the use of AI-driven network architectures, advances in optical technologies for hyperscale datacenters, and laser-based communications between satellites. The talks highlight innovations in hardware solutions to meet increasing performance demands necessary for AI, datacenters and networks.
Researchers have demonstrated a record-breaking 430 terabits per second (Tb/s) optical transmission using a novel approach that triples the capacity of standard-compliant cutoff-shifted optical fibers. The technology offers high throughput with reduced complexity, while utilizing existing optical fiber infrastructure.
Researchers at Washington University in St. Louis have developed a new fiber-optic device, PRIME, which delivers multi-site, reconfigurable optical stimulation through a single implant. This technology enables manipulation of neural activity deep in the brain and holds promise for understanding complex brain circuits.
Researchers have developed a highly efficient fiber-coupled single-photon source that generates photons directly inside an optical fiber, reducing transmission loss. This breakthrough enables the creation of secure quantum communication networks and paves the way for next-generation all-fiber-integrated quantum computing technologies.
Researchers developed a fiber-optic method to track Alzheimer's plaques in freely behaving mice, allowing for real-time monitoring and long-term tracking of pathological changes. The technique uses fluorescent dye to bind specifically to amyloid fibrils and provides a minimally invasive way to study disease progression.
A new study introduces a novel solution for precise control of light focus, enabling compact and robust tuning of optical fibers. The tunable Metafiber uses a 3D nanoprinted phase-only hologram to achieve remote focus control by adjusting relative power between guided modes.
Researchers develop fiber-based O-TWTFT system, offering unparalleled stability across vast distances. Fiber optics enables applications such as redefining the second and precise geodesy.
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.
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 developed world's first practical surface-emitting laser using quantum dots, advancing miniaturization and energy efficiency of light sources. The innovation enables high-performance, scalable structures and cost reductions through mass production.
A new world record has been set for petabit-class transmission over a distance of 1,808 km using a 19-core optical fiber with low loss across multiple wavelength bands. The demonstration marks a major step forward in developing scalable, high-capacity networks and addressing the world's growing demand for data.
Researchers developed a dual-laser Brillouin optical correlation-domain reflectometry system that measures strain and temperature along an optical fiber without costly GHz equipment. The setup recorded Brillouin gain spectra at only about 200 MHz, over 50 times lower than the usual 11 GHz band.
Researchers at University of Rochester and RIT created an experimental quantum communications network to transmit information securely over long distances. The network uses single photons to enable secure communication without cloning or interception.
Researchers developed an IEAC framework combining robust security with high-capacity transmission performance, achieving a record 1 Tb/s secure transmission over 1,200 km of optical fibre. The system eliminates the trade-off between security and speed by integrating encryption into the communication process.
Researchers deployed fiber optics to detect seismic signals of crevasses opening on a Swiss glacier, confirming the technology's potential in monitoring glacier stability. The team detected 951 icequakes with strong oscillations after the arrival of seismic surface waves.
Scientists investigate whether living neurons can transport light through their axons, which would significantly change current models of the nervous system. If successful, it could have major implications for treating brain diseases and healing the brain.
Researchers successfully demonstrated the UK’s first long-distance ultra-secure transfer of data over a quantum communications network, enabling secure video calls and encrypted medical data transmission. The network uses standard fibreoptic infrastructure and quantum phenomena to enable ultra-secure data transfer.
Harvard researchers have created a photon router that could plug into quantum networks to create robust optical interfaces for noise-sensitive microwave quantum computers. The breakthrough enables control of microwave qubits with optical signals generated many miles away, bridging the energy gap between microwave and optical photons.
Researchers at Harvard created a new type of interferometer that can modulate aspects of light in one compact package, enabling precise control over light's frequency and intensity. This breakthrough has the potential to be used in advanced nanophotonic sensors or on-chip quantum computing.
A study published by Tohoku University reveals that epileptic seizures can significantly reduce ATP levels in neurons, while increasing pyruvate levels in astrocytes. This finding challenges the traditional view of brain energy dynamics and suggests a more complex interplay between neuronal activity and metabolic processes.
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 from ETH Zurich have developed a tiny plasmonic modulator that can transmit data with frequencies over a trillion oscillations per second, breaking previous records. The new modulator can be used for various applications, including high-performance computing and measurement technology.
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.
OFC 2025 features live, multi-vendor interoperability demonstrations from Ethernet Alliance, OIF and Open ROADM MSA. The event highlights advancements in open, standards-based networking solutions, including SDN-integrated demonstrations and energy-efficient interfaces.
A new research infrastructure called SAFAtor aims to close the gap in ocean data by collecting real-time pressure, temperature, and seismic data from deep-sea telecommunications cables. The project will deploy sensor technology along an undersea cable to monitor climate and geological hazards.
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 developed a fabrication technique to overcome design challenges for scalable single-photon detectors, enabling ultra-fast detection of photons regardless of direction or polarization. The study provides a comprehensive guide to fabricating high-quality fractal SNSPDs with improved sensitivity and system detection efficiency.
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.
Researchers developed a method to 'translate' optical signals to and from qubits, reducing cryogenic hardware needed. This breakthrough enables scalable quantum computers with increased qubit numbers, laying the foundation for room-temperature networks.
Researchers at ETH Zurich discovered tiny ice quakes deep inside ice streams, explaining the discrepancy between simulations and satellite measurements. The findings impact sea-level rise estimates and may reveal fault planes in ice cores, providing a better understanding of ice stream deformation.
The KeyScope is a low-cost, robust laparoscope priced at approximately $1,000, making it accessible in low- and middle-income countries. It offers high-resolution images, color accuracy, and low distortion, comparable to standard laparoscopes.
Researchers developed a new approach to enhance spatial resolution of distributed temperature sensing, achieving a theoretical spatial resolution of 4.8 cm. This breakthrough uses perfluorinated graded-index POFs with high temperature sensitivity and low strain sensitivity.
Researchers developed a new algorithm that combines fibre optic data with traditional seismometer measurements to improve earthquake detection. The approach works well even in noisy environments and can be applied to any fibre network, enabling more detailed and effective seismic monitoring networks.
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 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.
The demonstration used automatic polarization compensation to stabilize the polarization of a signal sent over a commercial network with no downtime. The approach enabled continuous transmission of signals for more than 30 hours without interruptions.
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 successfully transmit quantum information through a 30-kilometer-long fiberoptic cable carrying internet traffic, introducing a new possibility for combining quantum communication with existing internet cables. This breakthrough simplifies the infrastructure required for distributed quantum sensing or computing applications.
Researchers developed a miniaturized all-fiber photoacoustic spectrometer for intravascular gas detection, achieving detection limits of 9 ppb and response times as quick as 18 milliseconds. The system detects trace gases at the ppb level and analyzes nanoliter-sized samples with millisecond response times.
A new optical fiber sensing system can track six biomarkers simultaneously and automatically provide crucial information on brain health. The technology has been successfully tested in lab experiments using animal brains and human cerebrospinal fluid samples, demonstrating its potential to monitor complications from traumatic injuries.
Researchers discovered that heart cockle shells have translucent areas with hair-thin strands that deliver specific wavelengths of light into the bivalves' tissues. This natural system filters out bad wavelengths and channels in optimal wavelengths for photosynthesis, benefiting the clams' symbiotic algae.
Researchers at Aalto University have developed a method to create tiny vortices in light, which can carry information and potentially increase data transmission capacity by 8-16 times. The discovery uses quasicrystal design and manipulated metallic nanoparticles to achieve this feat.
The LDSP framework integrates deep learning optimization into traditional DSP, achieving substantial improvements in performance and efficiency. It optimizes DSP parameters globally using backpropagation algorithms, resulting in enhanced compensation for linear and nonlinear performance.
A team of scientists has developed a fiber-optic drug delivery strategy that targets cancer tumors with high precision and efficiency. The system uses photons, photothermo-sensitizers, and chemotherapeutics to induce localized hyperthermia, releasing encapsulated drugs and ensuring minimal side effects.
Yihao Zheng and his team are developing a fiber-optic probe that analyzes artery blockages in the brain and guides procedures for blockage removal. The technology uses light and advanced calculations to determine the properties of blood clots, enabling doctors to make informed decisions about how to remove them.
The new issue of Optica Quantum features 10 research articles on quantum information science and technology. New methods for compensating scattering and aberrations in entangled photon systems have been proposed, and ultrafast nonlinear wave mixing spectroscopy schemes employing coherent light pulses and vacuum modes are being explored.
Researchers at HSE University identified universal critical indices for calculating fibre laser characteristics and operating regimes. The study enables predictions of laser parameters and facilitates optimisation for various applications.
Researchers developed a novel side-polished fibre pump combiner that achieves high coupling efficiency and stabilizes Mid-IR laser operation. The design effectively distributes heat load across the polished fibre area, enabling long-term stable operation with low excess losses.
A novel concept for a hybrid fibre pump combiner is introduced, enabling high-power, long-term stable operation in Mid-IR fibre laser systems. The design leverages evanescent field coupling to overcome the limitations of soft glass fibres.
Researchers have developed a low-coherence Brillouin optical correlation-domain reflectometry system that overcomes spatial resolution and measurement range trade-offs. The new method uses periodic pseudo-random modulation, achieving accurate distributed strain measurements without a variable delay line.
Researchers have achieved data rates of up to 424Gbit/s using plasmonic modulators for free-space optical communication. This technology could provide high-speed, high-capacity data transmission for space missions with lower latency and less interference.
The study compares nerve fiber orientation captured with specialized MRI and OCT approaches, laying groundwork for combining these imaging techniques. The findings show strong potential for PS-OCT to validate dMRI data, providing valuable insights about the microstructural organization of nerve fibers.
A team of scientists developed a flexible mode-switching system utilizing an optical neural network chip to switch between different Orbital Angular Momentum (OAM) modes in a multimode fibre. The system achieved low-crosstalk mode switching, enabling efficient and flexible optical networks capable of meeting growing demands.
Researchers propose a leaf-inspired luminescent solar concentrator (LSC) design to overcome scalability limitations. The innovative setup enhances photon collection and transfer, improving efficiency and reducing self-absorption issues.
Researchers developed a new spectroscopy method using tunable lasers, enabling precise tracking of the laser's color at every point in time. The technique offers higher power and spectral stability compared to existing methods, making it suitable for various applications including LIDAR and spectroscopy.
Researchers at the University of Bath have created new specialty optical fibers to cope with the challenges of future quantum computing. These fibers feature a micro-structured core that allows for improved data transfer and the creation of entangled photons, enabling quantum computation.
The study proposes an all-fiber multiplexed parallel acquisition and transmission one-piece system called Multicore Fiber Acquisition and Transmission Image System (MFAT). This system encodes image data in the optical domain through optical fiber coupling, enabling high-capacity and high-quality transmission.
Researchers have made significant advancements in understanding the complex dynamics of soliton molecules, revealing quasi-periodic behaviors and chaotic transitions. The study also discovers intrinsic frequency entrainment, a phenomenon showcasing synchronization within optical resonators.