Researchers developed a new technique called zero noise extrapolation (ZNE) that allows noisy quantum computers to produce accurate results for specific calculations. This breakthrough could enable the use of quantum computing for cutting-edge physics problems and improve classical algorithms.
Researchers have created a new technology capable of processing vast amounts of information generated by quantum systems. This is achieved through the coupling of deterministic single photon light sources with specially designed integrated photonic circuits.
A new technique developed by researchers at the University of Warsaw's Faculty of Physics allows for up to a 200-fold change in pulse duration with an efficiency of 25 percent. This enables quantum Internet links to operate up to 50 times faster, contributing to the development of superfast quantum connections.
Researchers have experimentally demonstrated a new quantum information storage protocol to create complex entangled states like GHZ quantum states. They used nuclear spins surrounding a central ytterbium ion qubit to store and retrieve quantum information with enhanced resilience.
Researchers at the University of Innsbruck have created a fully functioning quantum repeater node, enabling entanglement creation and swapping over 50 kilometers. This breakthrough demonstrates the feasibility of connecting distant cities through secure, high-performance quantum communication networks.
Researchers at Google Quantum AI have successfully observed non-Abelian anyons, a type of particle predicted to break certain rules in physics. This breakthrough enables the creation of topological quantum computers, which can perform robust operations despite noise and errors.
Researchers reconstructed the full state of a quantum liquid using ultracold atoms, offering insights into quantum systems' fluctuations and behavior. This breakthrough has promise for quantum computing, sensing technology, and better characterization of quantum systems.
A team of researchers at Bar-Ilan University has improved the basic computation unit of quantum computers by developing a tunable superconducting flux qubit. This innovation enables quantum computers to operate with hundreds of qubits simultaneously, leading to significant advancements in computational power and potential applications.
A Brazilian-Chinese research team has demonstrated the coexistence of non-locality and contextuality in a quantum system. The study paves the way for new quantum information processing and communication protocols by reconciling two fundamental principles of quantum theory that were thought to be mutually exclusive.
The team successfully entangled two qudits with unprecedented performance, enabling faster and more robust quantum computing. This breakthrough could lead to significant advancements in fields like chemistry and physics.
Researchers at ICFO have successfully teleported quantum information over 1km using a multiplexed quantum memory. The technique enables fast and reliable quantum communication over long distances, with potential applications in secure telecommunications.
Researchers at Leibniz University Hannover have developed an entangled quantum light source fully integrated on a chip, overcoming challenges of size, stability and reproducibility. The new development enables scalability for real-world applications like quantum processors.
Researchers developed an all-optical quantum state sharing protocol that uses continuous variable systems to share secret information between multiple parties. The new method successfully implemented in a low-noise amplifier and demonstrated higher average fidelity than classical limits.
Researchers have derived a formula predicting the effects of environmental noise on quantum computing. By incorporating redundancy in quantum messages, scientists can now quantify how much redundancy is needed to protect against dephasing noise.
Researchers discovered a way to translate quantum information between different quantum technologies using atoms and lasers. The technology allows the transfer of quantum information from microwave photons to optical photons, enabling long-distance connections between quantum computers.
The new architecture reduces physical qubits required for error correction to 10% of conventional architectures, enabling better performance than classical computers. This breakthrough accelerates progress toward practical quantum computing, with the aim of applying quantum computing applications to various societal issues.
Researchers developed a technique to predict how quantum systems behave when connected to their environment, turning a problem into a solution. The approach combines techniques from quantum many-body physics and non-Hermitian quantum physics, providing a crucial tool for real-world applications of quantum technology.
Researchers at Tokyo Institute of Technology have successfully created Sn-V centers with identical photon frequency and linewidth, marking a new phase in their use as quantum nodes. The breakthrough enables the formation of stable Sn-V centers suitable for creating remote entangled quantum states.
Scientists at Ohio State University have made a groundbreaking discovery, allowing them to view inside the deepest recesses of atomic nuclei. By studying how different types of particles interact with each other, they were able to map the arrangement of gluons within atomic nuclei with unprecedented precision.
Researchers from the University of Sussex and Universal Quantum have successfully connected quantum microchips, enabling powerful quantum computers. The breakthrough demonstrates a modular approach to scaling up quantum computing and unlocking its applications in industries such as medicine, materials science, and climate crisis solution.
Researchers at the University of Innsbruck have successfully entangled two trapped ions separated by 230 meters, using photons transmitted through an optical fiber cable. This breakthrough demonstrates the potential of trapped ions as a platform for building future quantum networks and distributed computing systems.
Researchers have devised a new mechanism to generate high-energy 'quantum light', which could reveal new properties of matter at the atomic scale. The theory predicts a way to control the quantum nature of light using correlated emitters with a strong laser.
Princeton researchers have achieved a major breakthrough by microscopically studying molecular gases at a level never before achieved. The team cooled molecules to ultracold temperatures, observed individual molecules with high spatial resolution, and detected subtle quantum correlations, opening up new avenues for many-body physics re...
Researchers at the University of Rochester develop a new method to control electron spin in silicon quantum dots, paving the way for practical silicon-based quantum computers. The technique harnesses spin-valley coupling to manipulate qubits without oscillating magnetic fields.
Researchers have developed a novel type of analogue quantum computer that can tackle hard physics problems beyond current digital capabilities. The new Quantum Simulator architecture uses hybrid metal-semiconductor components to simulate quantum materials and behaviors.
A team of scientists has discovered a way to preserve quantum coherence in quantum dot spin qubits by exploiting the properties of a material with the same lattice parameter. This breakthrough improves storage time beyond hundred microseconds, paving the way for practical quantum networks and computing applications.
Researchers at University of Copenhagen and Ruhr University Bochum have made a groundbreaking discovery, solving a long-standing problem in quantum physics. They can now control two quantum light sources, enabling the creation of quantum mechanical entanglement, a phenomenon with sci-fi-like properties.
Researchers have developed a novel way to measure a quantum device's accuracy by analyzing universal statistical patterns in the noise. This approach takes advantage of the way information is scrambled in quantum systems, allowing for more efficient error detection and verification.
A new Swedish quantum computer is being made available to the industry, accompanied by a test bed and a quantum helpdesk. The test bed will allow companies and researchers to solve problems using quantum technology at a significantly lower cost than existing commercial options.
Physicists at MIT and Caltech developed a new benchmarking protocol to characterize the fidelity of quantum analog simulators, enabling high precision characterization. The protocol analyzes random fluctuations in atomic-scale systems, revealing universal patterns that can be used to gauge the accuracy of these devices.
Researchers have developed a quantum computing architecture that enables directional photon emission, the first step toward extensible quantum interconnects. This breakthrough enables the creation of larger-scale devices by linking multiple processing modules along a common waveguide.
Researchers demonstrated high-visibility quantum interference between two independent semiconductor quantum dots, an important step toward scalable quantum networks. The observed interference visibility is up to 93%, paving the way for solid-state quantum networks with distances over 300 km.
AQT at Berkeley Lab organized a workshop on classical control systems for quantum computing, bringing together industry leaders and researchers to share experimental control advances. The workshop highlighted the need for advanced features in classical control electronic systems to optimize quantum computer performance.
Assistant Professor Robert Rand at the University of Chicago received a three-year, $450,000 grant from the Air Force Office of Scientific Research. The funding will support his work on formal verification of the ZX-calculus, a graphical system for representing quantum programs.
Researchers at Tohoku University have discovered a new type of energy-band echo associated with the ultrafast dynamics of optically driven quasiparticles in crystalline solids. This discovery enables all-optical momentum-resolved spectroscopy even in strongly correlated systems, revolutionizing quantum technology.
Physicists at Google Quantum AI have produced quantum states that exhibit special symmetries, protecting them from environmental noise. The researchers used superconducting qubits to realize symmetry-protected Majorana edge modes, which last longer than other quantum states.
Researchers have developed a quantum experiment that allows them to probe connections between theoretical wormholes and quantum physics. The study demonstrates the equivalence of wormholes with quantum teleportation, a process experimentally demonstrated over long distances.
Researchers at Penn Engineering have created a chip that outstrips existing quantum communications hardware, communicating in qudits and doubling the quantum information space. The technology enables significant advances in quantum cryptography, raising the maximum secure key rate for information exchange.
The Arizona State University's Quantum Collaborative is a major initiative promoting understanding of advanced quantum technology and forging partnerships to advance it. The collaborative aims to develop a robust talent pipeline for a quantum-enabled economy through certifications, upskilling opportunities, and modified degree programs.
Scientists at the University of Innsbruck have developed a new method to observe and study ultra-cold mini twisters, quantized vortices that form in dipolar quantum gases. These vortices are a strong indication of superfluidity, a frictionless flow characteristic of certain quantum gases.
Researchers at the University of Tokyo have identified possible solutions to limitations of qubits for quantum computing. They successfully controlled temperature and movement of trapped electrons in a vacuum using hybrid quantum systems, paving the way for potential applications in quantum technology.
Researchers from HKU and Harvard University have developed a new triangular lattice model and sweeping cluster algorithm to simulate Rydberg arrays. Their simulations reveal highly entangled Z2 quantum spin liquids with large parameter regimes, providing valuable insights for future experiments.
Scientists from Paderborn and Ulm universities create a programmable optical quantum memory, enabling the efficient growth of large entangled states. This breakthrough milestone brings researchers closer to practical applications of useful quantum technologies.
Researchers at Chalmers University of Technology have developed a technique to control quantum states of light in a three-dimensional cavity, creating the long-sought cubic phase state. The breakthrough enables full control over quantum mechanical systems, paving the way for efficient error correction in quantum computers.
Physicists at Forschungszentrum Jülich and RWTH Aachen University have successfully transferred electrons over several micrometres on a quantum chip, paving the way for a scalable quantum computer architecture that can support millions of qubits. The 'quantum bus' approach enables the coupling of qubits without the need for extensive c...
Researchers use classical computers to make predictions about quantum systems, helping to solve physics and chemistry problems. Machine learning tools provide a bridge between the human world and quantum reality.
Researchers at NICT have developed a new systematic method to identify the optimal quantum operation sequence, enabling efficient task execution and contributing to improving quantum computer performance and reducing environmental impact. The method uses GRAPE algorithm to analyze all possible sequences of elementary quantum operations.
Physicists have developed a 'master equation' to understand feedback control at the quantum level, enabling precise real-time control over quantum systems. This breakthrough has the potential to revolutionize quantum technologies by exploiting quantum effects and mitigating fragile system properties.
Researchers have developed new stable quantum batteries that can reliably store energy into electromagnetic fields. The micromaser system allows for efficient charging with protection against overcharging and preserves the stored energy's purity.
Researchers at ICFO successfully simulated a topological gauge theory using ultracold potassium atoms dressed with laser light, moving beyond previous electromagnetism simulations. This breakthrough allows for better understanding of exotic quantum behavior in materials and error correction codes for future quantum computers.
Researchers optimized the ZZ SWAP network protocol, introducing a new technique to improve quantum error mitigation. This enables more efficient execution of quantum algorithms like QAOA, which can solve combinatorial optimization problems.
A new review paper assesses recent progress in controlling quantum systems and applies it to emerging technologies, highlighting the need for a unified theoretical framework. The authors identify roadblocks that must be overcome to manifest a future quantum technological landscape.
The paper explores near- and medium-term possibilities for quantum simulation on analogue and digital platforms to evaluate its potential. Quantum simulation has promising applications in materials science, high-energy physics, and quantum chemistry.
Researchers have found a way to precisely control qubits without previous limitations, enabling large-scale quantum processors and quantum memories. The new method combines optical methods with microwaves to overcome wiring issues, paving the way for quantum computing advancement.
A CCNY research team has developed a quantum algorithm that can simulate the evolution of interacting quantum particles, allowing for the study of high-temperature superconductors. This breakthrough could guide the search for new materials with unique properties.
Researchers developed a protocol to distinguish information scrambling from decoherence in quantum systems. By evolving a system forward and backward through time, they can measure the preservation of information scrambling and detect losses due to decoherence.
Researchers at the University of Innsbruck developed a quantum computer that can perform arbitrary calculations using quantum digits (qudits), exceeding classical computers' efficiency. This innovation unlocks more computational power with fewer quantum particles.
A research team from HKU discovered clear evidence of a highly entangled quantum matter, known as a quantum spin liquid (QSL), through large-scale simulations on supercomputers. The findings suggest the existence of QSLs in nature and provide new insights into topological order and quantum entanglement.
Researchers have demonstrated a significant improvement in fibre-integrated quantum memories, achieving an entanglement storage time of over 1000 microseconds. The fully integrated device enables the use of sophisticated control systems, allowing for improved scalability and compatibility with telecommunications infrastructure.
Physicists have successfully entangled two atomic quantum memories over a 33-kilometer-long fiber optic connection, setting a new record. The entanglement is mediated via photons emitted by the two quantum memories and has potential applications in large-scale quantum networks and secure communication protocols.