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 have created a new type of optically connected qubits, a critical advance in developing quantum networks. By storing information in a collective state of nuclear spins, they achieved high fidelity and coherence times, paving the way for practical applications.
A new experimental system designed by a team from the University of Barcelona allows students to study phenomena unique to quantum mechanics, such as Bell inequalities and entangled systems. The system enables direct measurements of quantum entanglement, facilitating a deeper understanding of this unintuitive phenomenon.
Researchers at the University of Innsbruck have developed a method to switch between two error correction codes in an error-tolerant manner, making it easier to implement all required gates for computing. This breakthrough enables the quantum computer to efficiently suppress errors and improve calculation accuracy.
Researchers develop 'entanglement microscopy' to map quantum entanglement in small regions of quantum systems, revealing intricate interactions and structures. The study reveals short-range entanglement at critical points and more gradual decline in entanglement with increasing separation.
Researchers are building a quantum computer that can connect to other quantum computers via a network for secure information transfer. The team will use atoms as qubits in an experiment involving optical tweezers and highly efficient detectors.
The US Department of Energy is investing $71 million in 25 projects combining theory and experiment to explore the universe. Researchers will develop innovative solutions using quantum information science to advance our understanding of fundamental physics, including theories of gravity and spacetime.
Researchers discovered a quantum advantage of colloidal quantum dots in spin chemistry of radical pairs. The hybrid radical pairs exhibit large Δg values, allowing for direct observation of spin quantum beats and magnetic field control. This study has the potential to enable novel quantum information technologies.
Researchers at Chalmers University of Technology and University of Maryland have engineered a new type of refrigerator that can autonomously cool superconducting qubits to record-low temperatures. This breakthrough paves the way for more reliable and error-free quantum computations.
Physicists at Brown University have observed a novel class of quantum particles called fractional excitons, which behave in unexpected ways. The discovery unlocks a range of novel quantum phases of matter, presenting a new frontier for future research.
The new startup, AQSolotl, has developed a quantum controller that enables users to control quantum computers easily using laptops and desktops. The technology, developed by NTU and NUS researchers, is designed to be scalable, adaptable, and cost-efficient.
Scientists uncover hidden quantum behaviors within classical light, revealing two contrasting behaviors: classical and quantum coherence. This discovery could lead to more robust quantum technologies, mitigating decoherence and accessing quantum properties.
Researchers demonstrate how grape pairs can create strong localized magnetic field hotspots of microwaves used in quantum sensing applications. The study could help develop more compact and cost-effective quantum devices.
Quantum walks utilize quantum phenomena to design algorithms for applications such as database search, network analysis, and navigation. These models offer unique features and computational advantages, including faster diffusion and improved sampling efficiency.
Scientists successfully prepared six mechanical oscillators in a collective state, observing phenomena that emerge when oscillators act as a group. The research demonstrates experimental confirmation of theories about collective quantum behavior, opening new possibilities for quantum sensing and generation of multi-partite entanglement.
A brotherly research duo has discovered a property known as magic when the LHC produces top quarks, which has implications for quantum computing and the development of quantum computers. The study explores how difficult it is for non-quantum computers to calculate quantum systems, with higher magic levels requiring more quantum computers.
Researchers developed Concurrent Dynamic Quantum Logic (CDQL) to verify quantum protocols with concurrent actions, enhancing expressiveness and speeding up verification. CDQL provides a rigorous framework for verifying both sequential and concurrent models of quantum protocols.
A new multi-target quantum compilation algorithm developed by Tohoku University's Dr. Le Bin Ho improves the flexibility and performance of quantum computers. This allows for efficient handling of complex systems and tasks involving multiple variables in quantum machine learning.
Dr Florian Kaiser leads €3 million ERC Consolidator Grant-funded research on quantum integration, aiming to create practical applications and overcome scalability challenges in quantum technologies. The goal is to integrate quantum processors and memories on a single chip, enabling superior performance and minimal energy consumption.
Researchers used a superconducting quantum processor to study quantum transport in unprecedented detail. The experiments explored how a spin/particle current flows between two groups of qubits, revealing a unified picture of thermalisation dynamics and nonequilibrium steady dynamics.
Researchers at Universität Leipzig focus on two-state systems, known as qubits, to improve conceptual understanding in learners. The study shows that teaching concepts based on two-state systems are more conducive to learning than traditional approaches.
The Karlsruhe Institute of Technology is joining the Quantum Science and Technology Centre (IQST) to strengthen research in quantum science and technology in Baden-Württemberg. The centre focuses on innovative applications of quantum science, including sensor technology and secure communication channels.
The study successfully created electrically defined quantum dots in zinc oxide (ZnO) heterostructures, marking a significant milestone in the development of quantum technologies. The researchers observed the Coulomb diamond and discovered the Kondo effect in ZnO quantum dots.
Researchers have implemented a novel approach using photon qubits to estimate interatomic bond distances and ground state energies with chemical accuracy. This breakthrough enables high-dimensional calculations without complex quantum gates, reducing errors in quantum computing.
Researchers from the University of Kent have demonstrated that quantum information can be used to coordinate devices like drones or autonomous vehicles. The team conducted experiments using real qubits inside a quantum computer developed by IBM, showing that devices can continue to influence each other even after separation.
The new QDlight laboratory aims to develop emitters and protocols for generating new quantum states of light, creating a fault-tolerant photonic quantum computer. The collaboration combines academic and technological expertise to overcome scientific obstacles in quantum photonics.
Researchers at DGIST have introduced a novel quantum state and mechanism for extracting and controlling quantum information using exciton and Floquet states in two-dimensional semiconductors. This discovery offers valuable insights into the exciton formation process, advancing quantum information technology.
The Department of Energy's Quantum Computing User Program is releasing a Request for Information to gather input on current and upcoming availability of quantum computing resources. The program aims to understand the readiness of these resources for quantum computing research and engage with the diversity of stakeholders in the field.
Researchers at the Max Planck Institute have developed a novel method to entangle photons with acoustic phonons, overcoming noise susceptibility and enabling high-temperature operation. This breakthrough has significant implications for secure quantum communications and quantum computing applications.
Researchers at ETRI have successfully developed an integrated quantum circuit chip using photons, enabling exploration of quantum phenomena like multipartite entanglement. The 8-qubit chip includes photonic sources and linear-optic switches, providing a fundamental framework for a quantum computer.
Researchers have discovered a new phenomenon in quantum-driven superconductors that could lead to more precise control of driven quantum systems. The study, led by IU Professor Babak Seradjeh, explores the role of Floquet Majorana fermions in the Josephson effect and their potential for developing stable quantum computers.
A three-dimensional quantum error correction architecture was discovered, which can handle errors scaling like L<sup>2</sup> (LxL) in two-dimensions. This breakthrough promises to enhance the reliability of quantum information storage and reduce physical computing resources needed for 'logical qubits', paving the way for a more compact
Researchers developed innovative encoding methods that simplified quantum circuits for data encoding, reducing circuit depth by a factor of 100 while maintaining accuracy. These methods showed improved resilience against adversarial attacks, paving the way for practical application of quantum machine learning on current devices.
Researchers at Delft University of Technology have successfully connected two small quantum computers between the Dutch cities of Delft and The Hague using a 25km quantum link. This milestone demonstrates a crucial step out of the lab and towards a future European quantum internet.
Professor Qi Zhao, a HKU researcher, has been selected as one of the 35 Innovators Under 35 for the Asia Pacific Region 2024 by MIT Technology Review. He is recognized for his innovative research in quantum computing and quantum information, including efficient entanglement detection tools and novel simulation algorithms.
Researchers used a classical computer and mathematical models to outperform a quantum computer on a task involving a two-dimensional quantum system of flipping magnets. The system displayed a behavior known as confinement, which had previously been seen only in one-dimensional systems.
Scientists at Paderborn University used high-performance computing to analyse a quantum photonics experiment, performing calculations in just minutes. The findings have significant implications for characterising photonic quantum computer hardware and will shape the future of quantum research.
Researchers at TU Wien have developed computer simulations to investigate the temporal development of quantum entanglement. They found that the 'birth time' of an electron flying away from an atom is related to the state of the remaining electron, demonstrating a quantum-physical superposition.
Researchers developed a quantum lidar system using up-conversion detector technology to record optical signals over a wide bandwidth. The system achieved wind field detection at a distance of 16 km with improved sensitivity and consistency compared to traditional lidar systems.
A team of researchers has discovered a way to manipulate quantum states of light using a synthetic photonic lattice capable of generating and manipulating quantum states in a simple yet powerful way. This breakthrough could lead to advanced quantum computing, secure quantum communications, and other applications.
Researchers at KIST's Quantum Technology Research Centre have developed the world's first hybrid quantum error correction technique for discrete variables and continuous variables, combining the advantages of both methods. This breakthrough enables more efficient and effective quantum computation, with improved resource efficiency and ...
Researchers at KIT have controlled tin-vacancy center qubits in diamonds using microwaves, achieving coherence times of up to ten milliseconds. This is a major improvement for the development of diamond-based quantum computers and secure fiber-based quantum communication.
Karen Jo Matsler, a UTA professor, is being honored for her extensive contributions to physics education and her efforts to support educators nationwide. Her Quantum for All initiative aims to integrate quantum concepts into high school science instruction, preparing students for careers in quantum technology.
Researchers at the University of Copenhagen's Quantum for Life Centre have developed a new mathematical recipe to make quantum simulators more scalable and efficient. This breakthrough could speed up the development of new medicines from years to months by predicting how molecules behave in the human body before laboratory trials.
Researchers investigate quantum query complexity of basic matroid problems and present asymptotically optimal quantum algorithms for some of them. They apply the quantum adversary method to prove lower bounds on quantum algorithms, demonstrating that fundamental matroid problems can achieve quantum speedup.
Korean Institute of Science and Technology (KIST) researchers develop world-class quantum error correction technology, outperforming PsiQuantum's method with a higher photon loss threshold. Their technique also boasts greater resource efficiency.
A new quantum error correction approach called 'many-hypercube codes' has been proposed to overcome scalability issues in conventional methods. This innovative approach allows for high-performance fault-tolerant quantum computing by enabling logical gates to be run in parallel, similar to classical computers.
Researchers have unveiled a new class of quantum critical metal that sheds light on intricate electron interactions. The discovery could lead to the development of electronic devices with extreme sensitivity, driven by unique properties of quantum-critical systems.
The study reveals the link between chirality and heat exchange in a quantum system, highlighting the role of non-adiabatic transitions and the Landau-Zener-Stückelberg process. The experiment paves the way for new explorations in quantum thermodynamics and efficient quantum chiral devices.
The researchers have successfully demonstrated quantum entanglement between electronic and motional states in their ultrafast quantum simulator, generating a new quantum simulation method including repulsive force between particles. This achievement is expected to improve the fidelity of two-qubit gate operations and realize socially u...
Researchers from NUS successfully simulated higher-order topological lattices with unprecedented accuracy, unlocking new potential in quantum computers. The study enables the exploration of high-dimensional topological materials and their unique properties.
Scientists at Aalto University and Institute of Physics CAS built an artificial quantum material with topological quantum magnetism, featuring a new state of matter. The researchers demonstrated the highest-order topological quantum magnet, which could provide substantial protection against decoherence in quantum technology.
Researchers from UCLA's California NanoSystems Institute and their colleagues have received a $1 million grant to develop quantum sensors with unprecedented precision. The grant will enable the creation of cutting-edge quantum technologies for various applications, including navigation, telecommunications, and medicine.
MIT researchers have proposed a best-of-both-worlds approach to improve the speed of a 1994 quantum factoring algorithm while reducing memory requirements. The new algorithm is faster, requires fewer qubits, and has a higher tolerance to quantum noise.
Researchers develop a modular approach to scaling quantum processors using semiconductor technology and long-distance entangling links. This enables the creation of small arrays of qubits that can be connected to form larger systems, overcoming challenges in controlling individual qubits and maintaining coherence.
A team of scientists has successfully established the first intercity quantum key distribution experiment using semiconductor quantum dots as single-photon sources. This breakthrough enables fast and stable transmission of secret keys over long distances, paving the way for a secure 'quantum internet'.
Researchers at Kyoto University have developed a new method to reduce optical interference and measure the quantum coherence time of moiré excitons, which are electron-hole pairs confined in moiré interference fringes. This breakthrough enables the realization of quantum functionality in next-generation nano-semiconductors.
A protocol has been designed to harness the power of quantum sensors, allowing for fine-tuning of quantum systems to sense signals of interest. The framework uses a combination of qubits and bosonic oscillators to create sensors that are vastly more sensitive than traditional sensors.
Scientists at Penn State created a robust quantum highway with a switch to control electron movement, enabling the fabrication of advanced quantum devices. The innovation allows for precise control over electron flow, reducing backscattering and increasing the potential for quantum computing applications.
Researchers have developed a novel method to significantly enhance quantum technology performance by leveraging cross-correlation of two noise sources. This approach extends coherence time, improves control fidelity, and increases sensitivity for high-frequency sensing.