Technology
Adapting Surface Codes for Quantum Error Correction on Defective Lattices
The new automated “bandage-like” super-stabilizer approach for implementing surface codes on defective quantum lattices significantly outperforms previous methods by reducing disabled qubits by one-third and increasing code distance by 63% for a 2% defect rate, providing a crucial low-overhead solution for scaling up fault-tolerant quantum computing.
Unveiling quantum steering by quantum-classical uncertainty complementarity
The paper introduces a novel quantum-classical uncertainty complementarity relation that serves as a superior steering witness, quantifies additional distillable coherence enabled by quantum steerability, functions as a complete entanglement measure for pure bipartite states, and establishes a deeper connection between quantum coherence and steering through the uncertainty principle.
Hidden Quantum Chirality: Princeton’s Unexpected Discovery
Princeton researchers discovered unexpected chirality in a Kagome lattice material using specialized light measurements, resolving a quantum physics controversy and potentially advancing future quantum technologies while building on Princeton’s legacy of Nobel Prize-winning work in topological physics.
Digital reconstruction of squeezed light for quantum information processing
Squeezed light enables advanced quantum applications but faces practical challenges that the authors address through a novel radio-frequency heterodyne detection method with digital unitary transformations, successfully demonstrated over fiber channels for quantum key distribution and sensing networks without requiring complex stabilization systems.
MIT’s Quantum Computing Breakthrough: The Quarton Coupler
MIT researchers have demonstrated potentially the strongest nonlinear light-matter coupling ever observed in a quantum system through their “quarton coupler” innovation, which could significantly accelerate quantum computing operations and readout speeds by creating coupling strength approximately 10 times greater than previous efforts.
Quantum Dots Unlock Majorana States for Stable Computing
QuTech researchers in Delft created a controlled system of three quantum dots that successfully demonstrated the properties of Majorana bound states—exotic quantum particles that could enable more stable quantum computing through their unique ability to be manipulated and moved between locations while maintaining resistance to errors.
Business
D-Wave First to Demonstrate Quantum Supremacy
D-Wave Quantum Inc. has achieved the world’s first demonstration of quantum computational supremacy on a useful real-world problem, using their Advantage2 prototype quantum annealer to perform complex magnetic materials simulations in minutes that would take a classical supercomputer nearly one million years and consume more than the world’s annual electricity.
Amazon announces Ocelot quantum chip
Amazon Web Services has unveiled Ocelot, a groundbreaking quantum chip that uses cat qubits and bosonic quantum error correction to significantly reduce resource requirements, achieving bit-flip times approaching one second while requiring only one-tenth the resources of traditional approaches, potentially revolutionizing the path to commercially viable quantum computing.
IonQ to Acquire Controlling Stake in ID Quantique
IonQ is acquiring a controlling stake in quantum safe networking leader ID Quantique (IDQ) to strengthen its global quantum ecosystem, accelerate quantum networking development, and establish a strategic partnership with SK Telecom, with the acquisition expected to close in Q2 2025.
International
Major Breakthrough in Quantum Entanglement Mathematics
Scientists have achieved a major breakthrough in quantum technology by deriving an exact mathematical expression for entanglement distillation under specialized conditions, correcting flawed theories from two decades ago and advancing theoretical capabilities far beyond current experimental limitations.
Quantum Dots Unlock Majorana States for Stable Computing
QuTech researchers in Delft created a controlled system of three quantum dots that successfully demonstrated the properties of Majorana bound states—exotic quantum particles that could enable more stable quantum computing through their unique ability to be manipulated and moved between locations while maintaining resistance to errors.
Quantum Sensors: Tracking Elusive Particles in 4D Precision
Quantum sensors with unprecedented 4D precision are revolutionizing particle physics by enabling researchers to track individual particles in both space and time, potentially uncovering new fundamental particles and dark matter components that have previously eluded detection in high-energy collider experiments.
Rapid Creation of NOON States
Researchers at the University of Liège developed a breakthrough method that accelerates the creation of quantum NOON states using ultra-cold atoms from minutes to just 0.1 seconds, making these previously inaccessible quantum superpositions practical for applications in quantum metrology and computing.
Classical Computing Overtakes Quantum Advantage: Google Sycamore Dethroned
Researchers successfully simulated Google’s 53-qubit Sycamore quantum circuit seven times faster than the original quantum computer using 1,432 GPUs and innovative tensor network algorithms, effectively refuting Google’s quantum advantage claim.
Diamond Quantum Spin Detection: A New Approach
HZB researchers have developed a groundbreaking technique to read quantum spin states in diamonds using electrical signals instead of light, which could dramatically simplify quantum sensor and computing hardware by replacing complex optical components with straightforward electrical contacts.
Startups
Quantum Machines Raises $170M
Quantum Machines has raised $170 million in Series C funding, bringing its total to $280 million, as the company’s hybrid control technology for quantum computing systems gains widespread adoption across the industry during a breakthrough year marked by significant hardware and error correction advancements.
Qolab Secures Over $16 Million in Series A Financing
Qolab, Inc., a pioneering company in superconducting quantum computing, has successfully raised over $16 million in Series A financing.
SandboxAQ Secures $300M to Scale Large Quantitative Models
SandboxAQ has announced a significant funding round of over $300 million from prominent investors including Fred Alger Management, T. Rowe Price Associates, Mumtalakat, and notable individuals like Eric Schmidt, Marc Benioff and Yann LeCun. The […]
Maryland Aims to Become Global Quantum Hub with $1B IonQ Partnership
IonQ, a leading quantum computing company, has announced a major partnership with the University of Maryland and the State of Maryland to establish the region as the “Capital of Quantum.” This landmark initiative aims to […]
Quantum register reaches 1200 neutral atoms in continuous operation
A team of researchers from the Munich Quantum Valley, led by the Max Planck Institute of Quantum Optics in collaboration with the quantum computing start-up planqc, has succeeded in running a register of 1200 atoms continuously for over an hour.
Delta g raises £1.5m to build gravity gradiometry platform
A new University of Birmingham spinout, Delta g, has raised £1.5 million in its pre-seed investment round to fast-track the commercial availability of its ground-breaking quantum technology gravity sensors for mapping the underground space. The […]
Toyota Tsusho Partners With Quantum Machines
Quantum Machines, provider of quantum control solutions , and Toyota Tsusho Corporation (Toyota Tsusho), a member of the Toyota Group, have announced a partnership to offer Japanese customers cutting edge quantum technologies. The partnership will […]
ORCA Computing: a new Quantum Computer in the UK
ORCA Computing is working with the UK Ministry of Defence (MoD) to develop future data processing capabilities. In a year-long programme of activity, MoD will use ORCA’s PT-1 model, the first computer of its kind […]
