Articles tagged with Quantum Information Science
Giant superatoms combine two quantum-mechanical constructs to suppress decoherence and create entanglement, opening opportunities for scalable and reliable quantum systems. This breakthrough enables quantum information to be protected, controlled, and distributed in new ways.
A new project aims to develop robust logical quantum bits for scalable and fault-tolerant quantum computing. The snaQCs2025 project combines innovative simulation and integration methods to compensate for error susceptibility of physical qubits, bringing quantum computing closer to practical use.
Researchers have discovered a new method for generating highly stable and precise microwave signals through self-induced superradiant masing. This phenomenon produces long-lived bursts of microwave emission without external driving, paving the way for technological advances in fields like medicine, navigation, and quantum communication.
Researchers at RIKEN Center for Emergent Matter Science have created a new superconducting thin film from iron telluride, suitable for quantum computing applications. The film's unique crystal structure, resulting from intentional misalignment of atomic layers, reduces lattice distortion and enables low-temperature superconductivity.
Quantum technologies have accelerated out of the lab and into the real world, with six leading platforms compared for technology-readiness. The field stands at a turning point, similar to the early computing age, where foundational physics concepts are established but system-level demonstrations must be substantially improved and scaled.
A team of researchers from Paderborn University and the Sapienza University of Rome successfully teleported the polarisation state of a single photon between two physically separated quantum dots. This achievement represents a crucial step towards scalable quantum relays and the practical implementation of a quantum internet.
Researchers successfully demonstrated entanglement swapping using sum-frequency generation between single photons with a high signal-to-noise ratio. This achievement is expected to contribute to the miniaturization and efficiency improvement of photonic quantum information processing circuit, as well as the extension of transmission di...
Researchers have successfully demonstrated the feasibility of sending entangled photon pairs from ground stations to a satellite, overcoming previous barriers to quantum satellite communications. This breakthrough could pave the way for future quantum computer networks using satellite relays.
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.
A novel molecular coating enhances the consistency and precision of quantum light sources, increasing their spectral purity and controlling photon energy. The coating protects single-photon emitters from atmospheric contaminants, enabling reliable quantum devices for secure communications and ultra-precise sensors.
The team's integrated chip coordinates quantum and classical data, speaks the same language as the modern web, and automatically corrects for noise. The approach paves the way for a future 'quantum internet,' which could enable advances like faster AI and new materials.
Researchers have demonstrated a type of quantum logic gate that drastically reduces the number of physical qubits needed for its operation. The Gottesman-Kitaev-Preskill (GKP) code has been translated into a physical reality, allowing for the first realisation of a universal logical gate set for GKP qubits.
Researchers have designed protein qubits that can be produced by cells naturally, opening possibilities for precision measurements of tissues, single cells, or even individual molecules. These protein-based qubits can detect signals thousands of times stronger than existing quantum sensors.
Researchers at Penn State have demonstrated how gold nanoclusters can mimic the spin properties of trapped atomic ions, allowing for scalability in quantum applications. The clusters can be easily synthesized in large quantities and exhibit unique Rydberg-like spin-polarized states that mimic superpositions.
Researchers have developed a world-first method to simulate specific types of error-corrected quantum computations, a significant leap forward in the quest for robust quantum technologies. The new algorithm tackles a long-standing challenge in quantum research and enables accurate simulation using conventional computers.
A national pilot program led by UTA faculty is helping take the mystery out of quantum physics for students and educators. The program, Quantum for All, provides hands-on curriculum and classroom strategies to equip high school science teachers with the tools they need to teach quantum science.
A team of researchers from the University of Sydney has developed a silicon chip that can control spin qubits at milli-kelvin temperatures, paving the way for scaling up quantum transistors from under 100 to millions. This breakthrough technology has the potential to make practical quantum computers a reality.
Researchers from The University of Osaka develop a method to prepare high-fidelity 'magic states' for use in quantum computers with less overhead and unprecedented accuracy. This breakthrough aims to overcome the significant obstacle of noise in quantum systems, which can ruin computer setups.
NIST and partners use quantum mechanics to create a factory for truly random numbers, producing secure keys for cryptographic systems. The Colorado University Randomness Beacon (CURBy) broadcasts daily random numbers through a website.
Physicists at the University of Oxford have set a new global benchmark for qubit operation accuracy, achieving an error rate of just 0.000015%. This breakthrough could lead to more efficient and robust quantum computers, as reducing errors is crucial to their functionality.
The Berggren Center for Quantum Biology and Medicine will merge quantum technology with biology to transform medicine, driving the development of revolutionary quantum tools and cultivating bilingual scholars. Researchers will translate quantum advances into clinical solutions, enabling new diagnostics and therapies.
Researchers have developed a new type of exotic quantum material that can maintain its quantum properties when exposed to external disturbances, paving the way for robust quantum computers. The breakthrough uses magnetism to create stability, making it an important step towards realising practical topological quantum computing.
The 56th Annual Meeting of the American Physical Society's Division of Atomic, Molecular and Optical Physics will present new research on quantum computing, lasers, and Bose-Einstein condensates. Over 1,200 physicists from around the world will convene in Portland, Oregon, June 16-20.
Researchers achieved a type of coupling between artificial atoms and photons that could enable readout and processing of quantum information in a few nanoseconds. This breakthrough demonstrates the fundamental physics behind nonlinear light-matter coupling, a crucial step toward realizing fault-tolerant quantum computing.
Researchers developed an adaptive quantum approximate optimization-based model predictive control strategy to enhance energy efficiency and drive decarbonization in buildings. The approach achieved a 6.8% improvement in energy efficiency and a 41.2% reduction in carbon emissions.
Researchers have demonstrated a new quantum sensing technique that surpasses conventional methods by counteracting the limitation of decoherence. The study's coherence-stabilized protocol allows for improved sensitivity and detection of subtle signals, with up to 1.65 times better efficacy per measurement.
Researchers have unveiled the secrets of deconfined quantum critical points (DQCPs), breaking away from conventional physics and offering a fresh perspective on quantum matter. The study reveals anomalous logarithmic behaviors and identifies a critical threshold value, suggesting DQCPs can resemble continuous phase transitions.
Researchers have developed a nanophotonic platform that improves the efficiency of nonlinear-optical quantum teleportation by reducing light levels and operating with single photons. The technology transmits quantum information with 94% fidelity, outperforming theoretical limits of linear optical components.
Researchers developed quantum sensors capable of precisely detecting single particles, improving time and spatial resolution. The sensors demonstrated efficiency in detecting high-energy beams of protons, electrons, and pions.
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 developed a quantum cooling engine that manipulates energy flow without feedback control, relying solely on quantum measurements. The engine successfully reversed heat flow, with entanglement found to influence the energy exchange between the working substance and measurement apparatus.
The US Naval Research Laboratory showcased its latest advancements in defense technology, including the OmniGlobe, a large spherical display visualizing Earth's environmental data. NRL's PROTEUS tool provides near real-time global tracking and analysis of maritime vessels.
Researchers create 3D photonic-crystal cavity to study ultrastrong coupling between light and matter, enabling faster and more energy-efficient quantum computing and communication technologies. The study paves the way for hyperefficient quantum processors, high-speed data transmission and next-generation sensors.
Researchers at the University of Bristol have discovered a novel way to accelerate accurate quantum measurements by trading space for time using additional qubits. This method enables faster and more confident measurements without sacrificing accuracy, with potential applications in leading quantum hardware platforms.
A team at HZB developed a method using photo-voltage to detect individual and local spin states of defects in diamonds. This could lead to more compact designs of quantum sensors. The research uses nitrogen vacancy centres, which can be manipulated with microwaves.
The team fabricated a probabilistic bit device based on manganite nanowires, achieving full control of its probabilistic characteristics with nanoampere-level currents. This p-bit exhibited exceptional computational potential in Bayesian inference tasks, outperforming existing similar probabilistic bits.
Physicists have shown that particles produced in 'jets' retain information about their origins in subatomic particle smashups. The study establishes a direct connection between the 'entanglement entropy' at the earliest stage of jet formation and the particles that emerge as a jet evolves.
Researchers at Hebrew University and Cornell University developed a way to suppress spin decoherence in alkali-metal gases, reducing spin relaxation rates by an order of magnitude. This breakthrough enables more stable and precise quantum devices, such as atomic clocks and magnetometry.
Researchers designed a programmable electron-induced color router array to manipulate photon momentum in multi-frequency channels, enabling efficient spectrum utilization. The array uses electron beam excitation at the nanoscale to achieve flexible manipulation, paving the way for high-integration and miniaturized display technologies.
The DGIST research team successfully fine-tuned the Rabi oscillation of polaritons by leveraging changes in electrical properties induced by crystal structure transformation. This allows for precise control over quantum particle states, enhancing the feasibility of practical quantum technology.
Professor Kae Nemoto received the MEXT Minister Award in Science and Technology for her groundbreaking research on quantum computer architecture theory. Her work has laid the theoretical groundwork for practical implementation of quantum computers, offering new possibilities for addressing scientific challenges.
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.
The collaboration aims to advance research on brain health with a focus on Alzheimer's disease. Initial projects will use CAS Content Collection and advanced technologies, including AI models and quantum computing to build and train disease-specific models.
Scientists from University of Innsbruck successfully created hot Schrödinger cat states at temperatures up to 1.8 Kelvin, challenging the notion that high temperature destroys quantum effects. This breakthrough opens new opportunities for quantum technologies in warmer environments.
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 USC have demonstrated the first optical filter capable of isolating and preserving quantum entanglement, a mysterious phenomenon at the heart of quantum computing. The filter uses anti-parity-time symmetry to strip away noise and reveal a pure, entangled state.
The Albert Einstein Jewish Brazilian Hospital launches a project to evaluate the application of quantum computing in developing new drugs and improving disease diagnosis. Researchers aim to use machine learning and quantum optimization algorithms to analyze rainfall data and predict heavy rainfall events.
A study by Philip Kurian and colleagues reveals a revised upper bound on carbon-based life's computational capacity, connecting it to the universe's information-processing limit. The discovery of quantum superradiance in cytoskeletal filaments enables eukaryotic organisms to process information through tryptophan networks.
A team of physicists at Rice University has made a breakthrough in understanding the behavior of strange metals by leveraging quantum information theory. Electron entanglement peaks at a critical transition point, shedding new light on the exotic properties of these materials.
Researchers found intrinsic spectral features with robustness and temperature dependence in Molybdenum Ditelluride, challenging existing theories. The discovery opens up new avenues for understanding four-body quasi-particle behavior in materials.
Researchers at Wits University have discovered a way to protect quantum information from environmental disruptions, offering hope for more reliable future technologies. By engineering specific topological properties in quantum states, they can preserve critical information even when disturbed by noise.
A team of researchers from JPMorganChase, Quantinuum, and the University of Texas at Austin have successfully demonstrated certified randomness using a 56-qubit quantum computer. This achievement has significant implications for cryptography, fairness, and privacy, as it enables the generation of truly random numbers that cannot be man...
Materials Research Society elects Miaofang Chi and Rigoberto “Gobet” Advincula as Class of 2025 Fellows for their outstanding work on novel electron microscopy methods, advanced polymers, and nanostructured materials. New Fellows will be recognized at the MRS spring meeting in April 2025.
Researchers at USTC successfully demonstrated real-time quantum key sharing and encrypted communication between Beijing and Stellenbosch using a satellite. The study paves the way for global deployment of the quantum internet, providing a viable alternative to fiber networks.
Researchers at MIT created a photon-shuttling interconnect that facilitates remote entanglement, a key step toward developing practical quantum computers. The device enables all-to-all communication between multiple superconducting quantum processors, paving the way for more efficient and scalable quantum computing.
Scientists from South Africa and China successfully established the world's longest intercontinental ultra-secure quantum satellite link spanning 12,900 km. This achievement demonstrates South Africa's potential to develop a thriving quantum ecosystem.
Scientists at the University of Rochester have discovered a way to create artificial atoms within twisted monolayers of molybdenum diselenide, retaining information when activated by light. This breakthrough could lead to new types of quantum devices, such as memory or nodes in a quantum network.
Researchers at Osaka Metropolitan University developed new formulas to calculate key quantum informative quantities, including entanglement entropy and mutual information. These simplified expressions offer fresh perspectives into quantum behaviors in materials with different physical characteristics.
Physicists at the University of Cologne have successfully observed Crossed Andreev Reflection in TI nanowires, a crucial step toward engineering Majorana-based qubits. This breakthrough enables reliable control over superconducting correlations in topological insulator nanowires.
Researchers at the University of Arizona are using two federal grants to develop novel areas in quantum information. They aim to improve measurement capabilities of quantum magnetic field sensors, which could impact navigation, medical imaging, and other fields. Additionally, they will work on developing quantum low-density parity-chec...