Tag

Qubits

All articles tagged with #qubits

technology9 days ago•17 min saved

NSF Funds $100M Quantum Network as Infleqtion SPAC Nears Close and 500-Qubit Milestone Emerges

NSF launches a $100 million National Quantum and Nanotechnology Infrastructure program to fund up to 16 open-access sites over five years to give researchers and startups access to chip fabrication, testing, and training tools; Delta Gold Technologies signs a multi‑year, up‑to‑$2.99 million gold‑based quantum IP deal with Penn State; Xanadu Quantum Technologies releases a method to cut quantum‑chemistry resource needs by more than an order of magnitude; Oxford Quantum Circuits demonstrates wafer‑scale packaging for 500+ qubits with strong fidelity, signaling progress toward larger machines; Infleqtion’s SPAC merger with Churchill Capital X secures over $550 million in gross proceeds, setting Infleqtion up to list on the NYSE as INFQ.

via TipRanks|

#infleqtion #nsf #quantum-computing

technology2 months ago•5 min saved

Scientists Develop Record-Setting Silicon-Based Quantum Processor with 11 Qubits

Scientists at Silicon Quantum Computing have developed the most accurate silicon-based quantum chip, achieving high fidelity rates up to 99.99% with a new architecture called 14/15, which is scalable and could lead to fault-tolerant quantum processors with millions of qubits, surpassing other tech giants like IBM and Google in certain benchmarks.

via Live Science|

#error-correction #fidelity-rates #quantum-computing

technology2 months ago•3 min saved

New Quantum Processor Extends Information Retention 15-Fold Beyond Google and IBM

Scientists at Princeton have developed a new method for creating superconducting qubits using tantalum, significantly increasing their coherence time to 1.68 milliseconds, which is three times longer than current systems, potentially enabling more powerful quantum computing operations. However, challenges such as the scarcity of tantalum remain before these advancements can be widely implemented.

via Live Science|

#coherence #princeton #quantum-computing

technology4 months ago•3 min saved

Google's Quantum Computer Achieves Major Breakthrough in Speed and Performance

Google announced a breakthrough in quantum computing by developing an algorithm that outperforms supercomputers in a specific task, marking a significant milestone towards practical quantum applications, though widespread use is still years away due to hardware limitations.

via The Guardian|

#algorithm #google #quantum-computing

science4 months ago•2 min saved

Innovative Qubit Technology Uses Liquid Helium to Trap Electrons

A new qubit technology involves trapping lone electrons on the surface of liquid helium, leveraging old physics and the superfluid properties of helium to potentially scale quantum computers more efficiently. The system uses low temperatures and unique trapping methods to control electrons, offering a promising alternative in quantum tech development.

via Ars Technica|

#electrons #helium #quantum-computing

technology4 months ago•3 min saved

Scientists Achieve Breakthrough with 6,000-Qubit Quantum System at Room Temperature

Scientists at Caltech have set a new record by synchronizing 6,100 neutral atom qubits in a quantum array that operates at room temperature, with extended superposition coherence of 12.6 seconds, marking a significant step toward scalable, fault-tolerant quantum computers capable of surpassing classical supercomputers.

via Yahoo! Tech|

#error-correction #neutral-atoms #quantum-computing

science5 months ago•4 min saved

Caltech Achieves Record 6,100-Qubit Quantum Array

Caltech physicists have created the largest array of neutral-atom qubits, consisting of 6,100 qubits with high accuracy and the ability to move atoms while preserving superposition, marking a significant step toward scalable quantum computers capable of complex computations and simulations.

via Rude Baguette|

#caltech #error-correction #neutral-atom-qubits

science5 months ago•2 min saved

Scientists Observe Atomic Nucleus Flips in Real Time

Physicists used a scanning tunneling microscope to observe the real-time magnetic pulse of a titanium-49 atom's nucleus, revealing insights into nuclear spin relaxation and potential applications for quantum computing. They measured the atom's nuclear spin flip-flop every five seconds, providing an atomic-scale understanding of nuclear magnetic behavior relevant for developing qubit platforms.

via ScienceAlert|

#atomic-spin #nuclear-spin #quantum-physics

science6 months ago•4 min saved

Breakthrough in Quantum Computing: New Codes Enable Core Operations and Error Correction

Scientists at the University of Sydney have demonstrated a quantum logic gate using GKP error-correcting codes on a single atom, significantly reducing the number of physical qubits needed for quantum operations and advancing the development of scalable quantum computers.

via Phys.org|

#entanglement #gkp-codes #quantum-computing

science7 months ago•3 min saved

Enhancing Quantum Power Through Improved Randomness

Researchers at Caltech have demonstrated that quantum computers can generate randomness more efficiently using smaller qubit blocks, potentially enabling faster and more powerful quantum systems for various applications, while also raising fundamental questions about the limits of observing quantum phenomena.

via Phys.org|

#cryptography #quantum-advantage #quantum-computing

technology7 months ago•4 min saved

Quantum Breakthroughs Boost Error Correction and Practical Computing

Researchers at The University of Osaka have developed a new method called level-zero magic state distillation that significantly reduces the resources needed for high-fidelity magic states, overcoming noise challenges and accelerating the development of practical, large-scale quantum computers.

via Rude Baguette|

#fault-tolerance #magic-states #osaka

technology8 months ago•4 min saved

Revolutionary Low-Temperature Chip Enhances Quantum Computing Scalability

Scientists have developed a cryogenic control chip that can operate near absolute zero, enabling the placement of millions of qubits on a single quantum processor, marking a significant step toward practical and scalable quantum computers.

via Live Science|

#cmos-technology #cryogenic-temperatures #quantum-computing

technology8 months ago•4 min saved

IBM Aims for Fault-Tolerant Quantum Computer by 2029 with 'Starling' Initiative

IBM plans to build the world's first fault-tolerant quantum computer, called Starling, by 2029, using new error-correction techniques that will enable scaling to 200 logical qubits (roughly 10,000 physical qubits), making quantum computers significantly more powerful and bringing them closer to practical utility.

via Live Science|

#error-correction #fault-tolerance #ibm-starling

technology9 months ago•5 min saved

Quantum Computer Produces Unpredictable Random Bits

Researchers have used a 56-qubit quantum computer to generate certifiably random bits, verified by classical supercomputers, marking a significant milestone in practical quantum computing and its applications in cryptography and secure communications.

via The Brighter Side of News|

#certified-randomness #quantum-computing #quantum-supremacy

technology1 year ago•4 min saved

Revolutionary Quantum Chip Design Could Transform Supercomputing

Researchers at the University of Chicago have developed a new design for a superconducting quantum processor that could significantly enhance the capabilities of quantum computers. This design features a central "router" allowing qubits to communicate more freely, addressing scalability and reliability challenges. The study, published in Physical Review X, demonstrates high gate fidelities and suggests a modular approach to quantum computing, potentially transforming fields like cryptography and telecommunications.

via Study Finds|

#modular-design #quantum-computing #qubits