Articles tagged with Photons
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.
Qrypt has licensed a novel cybersecurity technology from Oak Ridge National Laboratory to fortify encryption methods. The company will incorporate the quantum random number generator into its platform, using unique and unpredictable encryption keys to create virtually impenetrable communications.
The team developed a multi-degree-of-freedom multiplexed solid-state quantum memory with high multimode capacity and demonstrated photon pulse operation functions with time and frequency DOFs. The device enables coherent manipulation of quantum states and can serve as a quantum mode converter with high fidelity.
Researchers used light from distant quasars to determine measurements on pairs of entangled photons, finding correlations that exceeded Bell's original limit for a classically based mechanism. This strengthens the case for quantum entanglement and restricts options for the freedom-of-choice loophole.
A University of Queensland researcher led an international study to develop a programmable machine that can accomplish various tasks using reprogrammed settings, resulting in exponential changes.
Researchers from the Institute of Physical Chemistry of Poland have developed new substrates for Surface Enhanced Raman Spectroscopy (SERS) that guarantee signal enhancement and repeatability. These substrates enable the routine detection of small amounts of chemical compounds, including organic molecules and specific bacteria.
Researchers propose a refined approximation of the photo-excitation equation that describes the effect of photons on rhodopsin protein in eyes. The study has implications for other molecules, like azobenzene, and demonstrates tunnelling process to populate excited states.
Researchers have discovered that using information to extract work on a quantum scale is possible, but it comes with a catch: some information may be lost in the process. Quantum backaction allows researchers to measure particles without fully collapsing their superposition states, resulting in negative information.
Researchers at UNIGE have discovered ytterbium, a rare earth element that can store and protect quantum information even at high frequencies. The material's properties make it an ideal candidate for future quantum networks, where the aim is to propagate signals over long distances by acting as repeaters.
The team has generated rapid single-photon light pulses, which cannot be intercepted without disturbing them. This enables secure data transfer using light passed along fibre optic cables, making it ideal for environments where security is paramount.
A Rochester Institute of Technology researcher has developed a new solar sailing technology using diffractive metafilm materials that could propel spacecraft more efficiently and reduce overheating. The new material can steer reflected or transmitted photons for near-Earth, interplanetary, and interstellar space travel.
Researchers at the University of Colorado Boulder and NIST have developed a device that converts microwave energy into laser light, crucial for sending quantum signals. The team's innovation could one day enable huge networks of quantum computers to communicate efficiently.
Astrophysicists have localized a high-energy cosmic neutrino originating outside the Milky Way to a blazar in the Orion constellation using MAGIC telescopes and IceCube detector. The observation provides insight into the origin of cosmic rays, which are believed to be accelerated by protons in the blazar's jets.
Princeton researchers successfully implant diamonds with silicon vacancies to create a quantum repeater, enabling the transmission of fragile quantum information over long distances. This breakthrough could lead to ultra-secure communication networks and new quantum computers solving complex problems.
Researchers have demonstrated the first single-photon transistor using a semiconductor chip, paving the way for photon-based computing. The device can process 10 billion photonic qubits per second and is compact enough to fit inside a grain of salt.
Researchers at FAU and ANSER Center investigate singlet fission mechanism, gaining insights into its potential for increasing solar cell efficiency. They find that SF efficiency correlates with the coupling of molecular sub-units, providing a promising approach to boost performance.
Boson sampling with photons faces major obstacle due to unavoidable photon loss, but researchers from USTC have confirmed experimentally that lost photons still produce useful output. This discovery allows for exponentially faster sampling rates and brings demonstration of quantum supremacy closer to reality.
A team of physicists has measured a tiny time difference in the ejection of an electron from a molecule depending on its position. The researchers used attosecond laser pulses to study the photoelectric effect in carbon monoxide molecules, achieving precise measurements of the Wigner time delay and electron localization.
A team of mathematical physicists has developed a new theoretical calculation that predicts new possible states for quantum particles that have received a photon. These states are distinct from conventional coherent states and can be applied to various models satisfying shape-invariance conditions.
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 create method to detect individual phonons, enabling study of phonon decay and its implications for quantum technologies. The technique uses ultra-short laser pulses to excite and probe phonons in diamond crystals.
Scientists have created a module for quantum repeaters, enabling entanglement to be transmitted over several floors and potentially up to 20 kilometers. The breakthrough could lead to integrating quantum technologies into conventional telecommunications.
Scientists at Jefferson Lab measured the pressure distribution inside a proton for the first time, revealing a pressure cooker environment. The results show that quarks are subjected to a high outward-directed pressure near the center of the proton.
The Big Bell Test project, which involved over 100,000 participants worldwide, confirmed the predictions of quantum physics by overcoming Bell's limit. This achievement demonstrated the power of global networks in cutting-edge scientific research and paved the way for secure communications that are impossible to intercept.
Scientists at the University of Innsbruck have successfully demonstrated fully-controlled free-space quantum interference of single photons emitted by a pair of effectively-separated entangled atoms. This breakthrough opens up new possibilities for building quantum computers and measuring physical properties with unprecedented precision.
Researchers have developed a new method for generating fast X-rays using standard laboratory lasers, allowing them to image the movement of electrons in organic materials. This breakthrough enables the study of extreme reaction steps and could lead to improved solar cells and catalysts.
The BIG Bell Test challenged Einstein's principle of local realism by using human input to close a paradox known as the freedom-of-choice loophole. Participants contributed over 90 million bits, determining how entangled atoms and particles were measured in twelve laboratories worldwide.
The US DOE's APS-CNM Users Meeting will facilitate collaboration and planning for future scientific discoveries. The event features lectures, workshops, and networking opportunities to drive innovation in fields like materials science and quantum research.
The BIG Bell Test challenged Einstein's local realism by using human volunteers' unpredictable choices to close a stubborn loophole. Participants contributed over 90 million bits, demonstrating strong disagreement with local realism and introducing new methods in entanglement study.
Researchers have observed stronger-than-binary correlations in quantum mechanics for the first time, utilizing three-dimensional entangled photon sources. The experiment, conducted 8 meters apart, demonstrates the existence of such correlations, which could lead to a deeper understanding of fundamental problems in quantum theory.
Researchers have developed a new optical sensing method that significantly improves the precision of measuring nanoscopic structures, with potential applications in understanding cell membranes and DNA. The technique uses two-photon interference to achieve 100x better resolution than existing methods.
Scientists at University of Southern Denmark create photonic quantum memory allowing manipulation of light on nonlinear level. They successfully demonstrate novel method to subtract a single photon from an optical beam, enabling future applications in quantum information science.
Researchers developed a new method for creating extremely precise clocks using controlled nuclear transitions in thorium-229 nuclei. The frequency of transitions can be increased or decreased by dozens of times, potentially increasing precision by an order of magnitude.
Astronomers used computer simulations to create images of accreting supermassive black holes in different gravity theories. They found that even highly non-Einsteinian black holes could mimic the appearance of standard black holes, highlighting the need for new techniques to distinguish them.
Researchers used the world's most powerful X-ray source to study fuel injection and combustion in a gas turbine engine. The data gathered will help advance gas turbine engine designs for higher power density and efficiency.
Researchers discover silicon carbide as a promising material for single-photon emission, enabling high-speed quantum internet. This breakthrough could guarantee unconditionally secure data communication lines forever.
Physicists at ITMO University and University of Sheffield created a polariton crystal lattice with adjustable geometry. The lattice's properties can be modified, allowing for the study of quantum effects and potential applications in optical computing.
Researchers have successfully harnessed the power of quantum mechanics by controlling the interaction between light and matter at room temperature. By using plasmonic nanoresonators to concentrate electromagnetic energy, they enabled the re-absorption of photons by quantum emitters with high probability.
A team of MSU scientists developed a method to create two beams of entangled photons, measuring the delay between them. They achieved a narrow peak in the sum frequency signal with a width of 90 femtoseconds, setting a new record for entanglement correlation precision.
Researchers at the Laboratory for Attosecond Physics have successfully observed non-linear interaction of an attosecond pulse with electrons in one of the inner orbital shells around the atomic nucleus. This breakthrough was made possible by the development of a novel source of attosecond pulses.
Scientists have discovered a way to control the flow of terahertz photons using ordinary computer chips, which could lead to faster computers and higher bandwidth communications. The method uses a 'coyote time' effect, where the molecule doesn't know its energy after the first photon hits, allowing for more efficient switching.
A team of researchers has developed a statistical approach to identify characteristic signatures across unmeasurable probability distributions in quantum computers. This breakthrough could help predict the behavior of photons in optical arrangements and differentiate between various particle types, bringing us closer to solving the cer...
Researchers at the University of Maryland created a photonic chip that generates single photons and steers them around bends in the road. The device mitigates issues by rethinking crystal hole shapes and patterns, ensuring reliable transit for individual photons.
Researchers observe groups of three photons interacting, forming a new kind of photonic matter. The bound photons acquire mass and travel slower than non-interacting photons.
Researchers at Princeton University have successfully linked silicon spin qubits using light, enabling long-distance communication and opening the door to more complex systems. This breakthrough increases flexibility in device design and could lead to the creation of quantum computing devices from silicon.
Scientists at the University of Waterloo have captured the first images of ultrafast photons that are energy-time entangled, enabling direct applications for quantum cryptography and communication protocols. This technique will allow for establishing highly secure communication channels over long distances.
Researchers discovered that caesium lead halide nanocrystals emit light at room temperature after just one nanosecond, making them faster and brighter than other quantum dots. This is due to their unique excited energy state, which allows for immediate light emission, unlike traditional quantum dots that rely on a dark state.
A team of researchers has successfully tested quantum nonlocality in the presence of photon loss using quantum teleportation. They demonstrated that entangled photons can still be verified even when many are lost during transmission, enabling the development of secure global quantum information networks.
Researchers propose a new interpretation of quantum mechanics, where the wave function represents a real existence rather than a mathematical description. This idea is demonstrated through an encounter-delayed-choice experiment, showing that a quantum object can exhibit both particle and wave behavior depending on the measurement.
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.
Researchers observed a dramatic reduction in the time taken to emit the first x-ray as the number of x-rays increased, in good agreement with Dicke's prediction. This behavior is consistent with the concept of superradiance, where a group of atoms emit light at a faster rate than a single atom.
Researchers at University of Warsaw develop high-capacity quantum memory, storing up to 665 quantum states of light, using spatial multiplexing and magneto-optical trap. The system is resilient to decoherence, enabling complex manipulations of atomic states.
Engineers at Duke University have successfully counted the presence of at least four photons at a time using a widely used method of detecting single photons, providing easier paths to developing quantum-based technologies. The discovery will unlock new capabilities in physics labs working in quantum information science around the world.
Researchers from the University of Würzburg have developed a new set of rules for creating optical antennas that can precisely control photon creation and emission direction. This breakthrough has the potential to enable tiny, multifunctional light pixels and reliable single-photon sources for quantum computers and optical microscopes.
Researchers developed a QKD system that achieves high secret key rates using time-bin encoding, resolving major challenges for practical applications. This breakthrough enables ultra-high rate quantum secure communication, paving the way for image and video encryption and large encrypted databases.
A Northwestern University team creates quantum entanglement from a biological system using green fluorescent proteins. This finding advances scientists' understanding of biology and opens doors to exploit quantum mechanics for new applications.
Scientists developed a novel material platform for TTA photon upconversion using cheaper, less toxic, and thermally stable DESs. This achievement boosts the conversion of low-energy photons into high-energy photons, increasing solar energy utilization efficiency.
By forcing light to go through a smaller gap, researchers have increased its intensity and allowed photons to interact more strongly over a short distance. This technology brings optical processing closer to electrical transistors, potentially solving the problem of nonlinear optics and enabling faster, more efficient computers.
A team of researchers has successfully recreated Hofstadter's butterfly using quantum simulators, enabling the simulation of exotic electronic conduction properties. This breakthrough could lead to the development of new materials with unique properties.
A team of researchers has demonstrated a simple approach for coupling solution-synthesized cesium lead tribromide (CsPbBr3) perovskite nanocrystals to silicon nitride photonic cavities, enhancing room temperature light emission by an order of magnitude.
Researchers have developed a high-speed quantum encryption system that can transmit encryption codes five to 10 times faster than existing methods, potentially securing the future of the internet. The system uses photons of light and advanced detectors to encode and decode keys, making it secure from common attacks even with imperfect ...