Articles tagged with "quantum-computing"
MIT builds new superconducting chip to power future quantum computers
Researchers at MIT’s Plasma Science and Fusion Center have developed a superconducting diode (SD)-based rectifier chip that converts alternating current (AC) to direct current (DC) at cryogenic temperatures, aiming to streamline power delivery in superconducting classical and quantum computers. This innovation addresses a critical challenge in quantum computing: reducing thermal and electromagnetic noise caused by numerous wires connecting ultra-cold components to ambient temperature systems. By integrating four superconducting diodes on a single chip, the team achieved efficient AC to DC conversion, potentially enhancing qubit stability and reducing interference, which is vital for the practical realization of quantum computers. Beyond quantum computing, the superconducting diode technology has broader applications, including serving as isolators or circulators to protect qubit signals and playing a role in dark matter detection circuits used in experiments at CERN and Berkeley National Laboratory. This advancement promises to make superconducting electronics more energy-efficient and practical, potentially revolutionizing computing power in the era of increasing demands from technologies like artificial intelligence. The
energysuperconducting-electronicsquantum-computingsuperconducting-diodepower-efficiencycryogenic-technologyMIT-researchNew approach allows to insert, monitor quantum defects in real time
Researchers from the UK’s universities of Oxford, Cambridge, and Manchester have developed a novel two-step fabrication method that enables the precise insertion and real-time monitoring of quantum defects—specifically Group IV centers such as tin-vacancy centers—in synthetic diamonds. These quantum defects, created by implanting single tin atoms into diamond with nanometer accuracy using a focused ion beam, serve as spin-photon interfaces essential for storing and transmitting quantum information. The process is activated and controlled via ultrafast laser annealing, which excites the defect centers without damaging the diamond and provides spectral feedback for in-situ monitoring and control during fabrication. This breakthrough addresses a major challenge in reliably producing Group IV quantum defects, which are prized for their high symmetry and favorable optical and spin properties. The ability to monitor defect activation in real time allows researchers to efficiently and precisely create quantum emitters, paving the way for scalable quantum networks that could enable ultrafast, secure quantum computing and sensing technologies. The method’s versatility also suggests
quantum-defectsdiamond-materialsnanoscale-engineeringquantum-computingquantum-sensingmaterials-sciencequantum-technologyWorld’s first fault-tolerant quantum PC from IBM to launch by 2029
IBM plans to launch the world’s first large-scale, fault-tolerant quantum computer, named Quantum Starling, by 2029. This system will feature 200 logical qubits capable of performing over 100 million quantum operations, representing a 20,000-fold increase in operational capacity compared to current quantum computers. Starling will be developed at a new IBM Quantum Data Center in Poughkeepsie, New York, and will serve as the foundation for a more advanced system, Quantum Blue Jay, which aims to have 2,000 logical qubits and execute one billion operations. The development of fault-tolerant quantum computers hinges on creating logical qubits from clusters of physical qubits to detect and correct errors, enabling large-scale quantum computations without faults. IBM is advancing this goal through innovations such as quantum low-density parity check (qLDPC) codes, which significantly reduce the number of physical qubits needed for error correction by about 90% compared to other methods. IBM’s roadmap also includes intermediate milestones like the Quantum Loon processor (testing qLDPC components in 2025), Quantum Kookaburra (a modular processor integrating quantum memory and logic in 2026), and Quantum Cockatoo (linking Kookaburra modules into a networked system by 2027). These efforts aim to unlock practical, scalable quantum computing with applications in drug discovery, materials science, and chemistry.
quantum-computingIBMfault-tolerant-quantum-computerlogical-qubitsquantum-operationsmaterials-researchenergy-efficient-computingTiny quantum processor outshines classical AI in accuracy, energy use
Researchers led by the University of Vienna have demonstrated that a small-scale photonic quantum processor can outperform classical AI algorithms in machine learning classification tasks, marking a rare real-world example of quantum advantage with current hardware. Using a quantum photonic circuit developed at Italy’s Politecnico di Milano and a machine learning algorithm from UK-based Quantinuum, the team showed that the quantum system made fewer errors than classical counterparts. This experiment is one of the first to demonstrate practical quantum enhancement beyond simulations, highlighting specific scenarios where quantum computing provides tangible benefits. In addition to improved accuracy, the photonic quantum processor exhibited significantly lower energy consumption compared to traditional hardware, leveraging light-based information processing. This energy efficiency is particularly important as AI’s growing computational demands raise sustainability concerns. The findings suggest that even today’s limited quantum devices can enhance machine learning performance and energy efficiency, potentially guiding a future where quantum and classical AI technologies coexist symbiotically to push technological boundaries and promote greener, faster, and smarter AI solutions.
quantum-computingphotonic-quantum-processorartificial-intelligenceenergy-efficiencymachine-learningquantum-machine-learningsupercomputingNew laser crystals boost quantum tech and cut rare earth reliance
materialslaser-technologyquantum-computingrare-earth-elementsoptical-materialsfiber-opticsenvironmental-monitoringRare graphite flakes behave as both superconductor and magnet at 300 K
materialssuperconductivitygraphenemagnetismenergyquantum-computingresearchScientists turn simple clay into base for quantum computer in Norway
materialsquantum-computingclaysemiconductor-propertiesenvironmental-sustainabilitysuperconductorsresearch-collaborationWorld’s fastest quantum switch built by US team for ultra-fast AI
materialsquantum-computinggrapheneultrafast-computingAI-hardwaretransistorslaser-technologyCông ty Mỹ tuyên bố khai thác helium-3 trên Mặt Trăng
robotenergyhelium-3lunar-miningspace-resourcesadvanced-reactorsquantum-computingCan Quantum Computers Handle Energy’s Hardest Problems?
energyquantum-computingNRELenergy-storagepower-grid-reliabilitycomputational-problemsadvanced-computingMeet the companies racing to build quantum chips
quantum-computingquantum-chipstech-startupstechnology-innovationqubitscybersecuritymaterials-science