Articles tagged with Quantum Computing
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A new regenerator material composed solely of copper, iron, and aluminum can achieve cryogenic temperatures without using rare-earth metals or liquid helium. The material utilizes a special property called frustration found in magnetic materials to demonstrate practical-level performance.
A team of researchers has developed a novel single-photon source that combines on-demand operation with record-high photon quality in the telecommunications C-band. This achievement brings deterministic quantum dot sources into the same performance regime as probabilistic SPDC sources, enabling applications such as measurement-based qu...
Scientists at Chalmers University of Technology have created a novel quantum refrigerator that utilizes problematic noise to cool down extremely low temperatures. The innovative design enables precise control over heat and energy flows, making it an essential component for scaling up quantum technology.
A team at Stanford University developed a new optical cavity architecture that enables efficient collection of single photons from single atoms, paving the way for million-qubit quantum computer networks. This breakthrough could lead to significant advances in materials design, chemical synthesis, and medical research.
Florida Atlantic University will be the first university in Florida to host a large, dedicated quantum computer on site, aiming to accelerate and solidify the state's position as a leader in quantum computing. The university will collaborate with D-Wave Quantum Inc. to advance quantum computing education, research, and applied innovation.
Researchers propose a new design principle for QM/MM simulations, enabling the objective and automatic determination of the quantum-mechanical region based on electronic-state changes. This approach addresses long-standing challenges in multiscale molecular simulations, demonstrating consistent applicability across different systems.
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.
A nanostructure composed of silver and an atomically thin semiconductor layer can be turned into an ultrafast switching mirror device, displaying properties of both light and matter. This discovery could lead to dramatically increased information transmission rates in optical data processing.
Dr. Marlan Scully traces the journey of quantum mechanics, from its quirky beginnings to its role in solving science's toughest challenges, including quantum computing, cryptography, and gravitational wave detection.
Researchers developed QSteed, a resource-virtualized and hardware-aware quantum compilation framework, to address challenges in real quantum computing processors. The framework reduces compilation times and improves circuit execution fidelities by leveraging a prebuilt VQPU database and hardware-aware compilation strategy.
The ADVANCE-6G, TEST-6G, and INES projects have provided IMDEA Networks with robust experimental platforms to tackle the technological challenges of future networks. The Institute has strengthened its research capabilities in advanced 5G and future 6G networks.
Scientists at SwissFEL have developed a technique known as X-ray four-wave mixing, allowing them to access coherences in matter for the first time. This breakthrough has the potential to illuminate how quantum information is stored and lost, ultimately aiding the design of more error-tolerant quantum devices.
Researchers at MIT have developed a faster and more energy-efficient method for cooling trapped ions using photonic chips. This approach achieved cooling to about 10 times below the limit of standard laser cooling, opening up new possibilities for quantum computing systems with greater efficiency and stability.
Columbia physicists develop new method to scale neutral-atom arrays using metasurfaces, enabling creation of 2D arrays with thousands of trapped atoms. The technology has the potential to benefit quantum computing and other neutral-atom quantum technologies.
The American Physical Society's Global Physics Summit will convene over 14,000 physicists worldwide for groundbreaking research presentations. The event will feature both in-person and online experiences, including scientific sessions, exhibits, and networking events.
A recent paper highlights the need for defense mechanisms covering software, programs, and physical components of quantum computing systems. Key findings include the risk of crosstalk, intellectual property theft, and lack of end-to-end protection, emphasizing the need for safeguarding quantum computers from ground up.
Researchers at University of Waterloo discover workaround for 'no cloning' problem in quantum computing by encrypting quantum information as it's copied. This breakthrough enables redundant and encrypted quantum cloud services, a crucial step towards building quantum computing infrastructure.
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.
Professor Keisuke Fujii, a researcher at The University of Osaka, has been selected as one of the Quantum 100 for his work on quantum computing. He was honored with this recognition in 2025, the centennial year of quantum mechanics.
Theoretical physicists at MIT propose that under certain conditions, magnetic material’s electrons could form quasiparticles called “anyons” that can flow together without friction. If confirmed, it would introduce a new form of superconductivity persisting in the presence of magnetism.
A team of Australian and international scientists discovered how errors unfold over time in quantum computers, finding that errors can linger and link together. This breakthrough could lead to more reliable future quantum machines.
Researchers have developed a nearly 100 times smaller device that can efficiently control lasers required for thousands of qubits, unlocking potential for larger quantum computers. The device uses microwave-frequency vibrations to manipulate laser light with extraordinary precision.
The Institute for Quantum Innovation aims to accelerate discoveries from research to the real world, driving advancements in energy, national security, health, insurance, logistics, and critical infrastructure. The collaboration will provide best-in-class learning and research opportunities for students and faculty, putting Vanderbilt ...
The study reveals a new method to harness stray laser scatter to cancel out unwanted multi-photon emission, leading to a more efficient and secure single-photon line. This breakthrough could enable the development of advanced quantum computers and communication networks.
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.
Researchers discovered 'hot spots' around atomic defects in diamonds that briefly distort the surrounding crystal, affecting quantum-relevant defects. The findings indicate optical techniques used to control defects may unintentionally generate small pockets of heat, potentially affecting diamond-based quantum devices.
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.
Researchers introduce a new nanoscale optical device made of molybdenum diselenide that entangles the spin of photons and electrons, enabling quantum communication. The technology has the potential to create low-cost, low-energy quantum components for secure data transmission.
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.
Synchrotron radiation sources provide a toolkit for characterizing quantum materials and devices, enabling precise control over quantum systems. Key methods include non-destructive imaging and X-ray diffraction.
Researchers at Heriot-Watt University have developed a reconfigurable, eight-user quantum network that can distribute and teleport entanglement on demand. The system uses a shop-bought optical fibre and achieves multiplexed entanglement teleportation across multiple users.
Researchers introduced a method to make photonic circuits more adaptable without sacrificing compatibility, enabling the creation of practical photonic quantum neural networks. The approach achieved a classification accuracy above 92 percent in experimental tests, demonstrating its potential.
Researchers at Purdue University have achieved a long-sought milestone by controlling light with light itself at the most fundamental level using single photons. The discovery could enable photonic computing and revolutionize data centers, optical communications, and data transfer systems.
Researchers have developed a breakthrough in characterizing quantum noise in quantum systems, making progress towards mitigating errors in quantum computing. By applying symmetry and mathematical techniques, they simplified the problem of capturing noise effects on quantum algorithms.
Researchers at Cleveland Clinic and IBM developed a hybrid quantum-classical model to simulate molecular interactions. The study accurately simulated two supramolecular systems, water dimer and methane dimer, for the first time using quantum computers.
A team of researchers at Tohoku University has successfully created and electrically controlled triple quantum dots in zinc oxide (ZnO), a promising material for quantum computing. This breakthrough opens a new pathway to exploring complex quantum behaviors and developing potential architectures for quantum computation.
Researchers at Grainger Engineering will investigate the origins of two-level system defects in superconducting qubits, a critical limiting factor for quantum computing. The four-year project aims to identify the causes of these defects and develop methods to reduce their occurrence.
A recent FAU Engineering study leverages quantum computing to enhance the accuracy of chronic kidney disease (CKD) diagnosis. The research team developed and compared two automated systems: Classical Support Vector Machine (CSVM) and Quantum Support Vector Machine (QSVM). CSVM achieved remarkable 98.75% accuracy, while QSVM reached 87....
The University of Tennessee will lead work in materials and models under a renewed $125M funding for the Quantum Science Center at Oak Ridge National Laboratory. UT's expertise in quantum spin systems will validate quantum-classical computations, while supporting students' involvement in materials science and neutron experiments.
Researchers developed a new method to build rare-earth doped crystals, increasing quantum coherence times and enabling long-distance connections. This breakthrough brings the potential for a global-scale quantum internet closer than ever.
The Princeton team designed a new qubit that lasts over 1 millisecond, three times longer than the best ever reported in a lab setting. This breakthrough enables efficient error correction and scalability for industrial systems, marking the largest single advance in coherence time in over a decade.
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.
Lillian Hughes advances quantum science by creating two-dimensional ensembles of entangled spin qubits in diamond, enabling metrological quantum advantage and high-sensitivity sensing. This breakthrough brings quantum precision closer to reality with solid-state materials like diamond.
A new quantum transport theory reveals how femtosecond time scale thermoelectric fluctuations influence energy control at the nanoscale. Researchers at the University of Jyväskylä have developed a theoretical approach that enables accurate simulations of temperature differences and electric currents in nanoscale junctions formed by sin...
Researchers at Science Tokyo have provided the first mathematical proof that reentrance implies temperature chaos in spin glasses. The breakthrough enhances understanding of disordered systems and has potential applications in machine learning and quantum technologies.
A team of researchers at NTNU's Department of Physics has developed a method to monitor and adjust the frequency of quantum bits in real-time, making them more stable and reliable. This breakthrough is essential for building functional quantum computers.
Researchers at Stanford University have identified a common crystal that can efficiently convert low-energy photons into high-quality entangled photon pairs. The discovery has significant implications for the development of highly sensitive and stable quantum sensors.
The Stowers Institute has appointed its first AI Fellow, Sumner Magruder, to harness the potential of artificial intelligence in biological research. He will collaborate with researchers to design new algorithms and unlock insights from large datasets.
A new computational method, DIGIT, enables optical microscopes to resolve individual atoms and zero in on their exact locations in a crystal structure. This technique can help guide the design of quantum devices and provide insights into advanced materials.
Researchers at Tohoku University propose a way to detect dark matter using highly sensitive quantum devices connected in network structures. This approach outperforms traditional methods and has potential applications beyond dark matter searches.
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 at Aalto University have successfully connected a time crystal to an external system, enabling the development of highly accurate sensors and memory systems for quantum computers. This breakthrough could significantly boost the power of quantum computing by harnessing the unique properties of time crystals.
A new study by MIT researchers evaluates the scale-up potential of over 16,000 quantum materials, finding that those with high quantum fluctuation in electrons tend to be more expensive and environmentally damaging. The team identified promising candidates with an optimal balance between quantum functionality and sustainability for fur...
The EQUALITY project developed novel quantum approaches to representing and optimising quantum circuits with regard to hardware limitations. The consortium also achieved notable scientific advances aimed at the efficient utilisation of quantum resources.
Researchers at MIT have developed a new method to improve the stability of optical atomic clocks by reducing quantum noise and stabilizing a laser. The approach, known as global phase spectroscopy, doubles the precision of an optical atomic clock, enabling it to discern twice as many ticks per second compared to traditional setups.
Researchers at Auburn University have developed a new class of materials that allows for tunable electron delocalization, enabling applications in quantum computing, catalysis, and advanced electronics. This breakthrough has the potential to revolutionize fields such as energy transfer, bonding, and conductivity.
Scientists observed tiny but spontaneous distortions in the crystal lattice of Cu_xBi_2Se_3 as it entered a superconducting state. This marks the first clear evidence of a topological superconductor coupling to the crystal lattice, advancing understanding of exotic electronic states.
Researchers Joseph Clark, Doowon Kim, and Joon Sue Lee received NSF CAREER awards for their groundbreaking work in chemistry, computer science, and physics. They are developing new methods to track pharmaceutical drugs and detect phishing websites, while studying the properties of quantum materials.
Researchers have created a chip-based device that can split phonons, enabling the connection of different quantum systems via phonons. This device could help link superconducting qubits with spin-based systems, supporting advances in computing and secure communication.
The development of molecular qubits that operate at telecom frequencies enables the creation of ultra-secure communication channels and precise sensing capabilities. These tiny molecules can be integrated into chips and used for computing, communication, or sensing, paving the way for compact quantum devices.