Qubit– tag –
-
Quantum Computing
Diraq and imec Achieve Over 99% Gate Fidelity for Silicon Spin Qubits Fabricated on 300mm Silicon Platform
Quantum Zeitgeist Australia Overview In 2025, Diraq and imec reported in Nature that silicon spin qubits fabricated on imec’s existing 300-millimeter platform achieved over 99% fidelity for 1- and 2-qubit gate operations, and 99.9% for s... -
Quantum Computing
Sandia National Labs and Quantinuum Advance Fault-Tolerant Quantum Computing: Helios 98-Qubit System Achieves 99.9975% 1-Qubit Fidelity
Sandia National Laboratories USA Overview A public-private partnership between Sandia National Laboratories and Quantinuum announced significant progress toward fault-tolerant quantum computing. A paper published in Nature reported the p... -
Quantum Computing
IBM and University of Chicago Demonstrate Quantum Advantage, Solving Classically Intractable Problem with 70 Logical Qubits in 15 Minutes
SciTechDaily USA Overview In collaboration with the University of Chicago, IBM announced its quantum computer, equipped with 70 logical qubits, solved a problem practically intractable for classical computers in just 15 minutes. This ach... -
Quantum Computing
University of Waterloo and Columbia University Announce New Proof Demonstrating Quantum Advantage with Shallow Circuits
arXiv Canada Overview Researchers from the University of Waterloo Institute for Quantum Computing and Columbia University have released a new mathematical proof demonstrating a clear quantum advantage over classical circuits with shallow... -
Quantum Computing
Google’s 105-Qubit Willow Processor Experimentally Demonstrates Sub-Threshold Quantum Error Correction for Surface Codes
Cyber Raiden (WordPress Blog) USA Overview Google's 105-qubit 'Willow' processor has experimentally demonstrated sub-threshold quantum error correction for surface codes. This achievement reveals the critical characteristic where logical... -
Quantum Computing
Oxford Researchers Develop New Method to Convert Existing Quantum Error Correction Codes to Floquet Codes, Simplifying Implementation
Quantum Zeitgeist UK Overview Oxford University researchers have developed a novel method to convert existing quantum error correction codes into Floquet codes. This innovative approach promises to significantly simplify the implementati... -
Quantum Computing
NSF Establishes New ‘PRACTIQAL’ Center for Self-Correcting Quantum Computer Design, Advancing Quantum Error Correction
Forbes USA Overview The National Science Foundation (NSF) has launched a new research center dedicated to designing reliable, self-correcting quantum computers. This center will focus on the 'Physics and Engineering of Practical Quantum ... -
Quantum Computing
German Physicists Demonstrate Sub-Threshold Quantum Error Correction, Exponentially Reducing Errors with Scaling
ScienceDaily Germany Overview A team of German physicists has experimentally demonstrated 'sub-threshold quantum error correction,' which exponentially reduces errors as qubits are scaled. This groundbreaking achievement marks a crucial ... -
Quantum Computing
Lawrence Livermore National Laboratory Dramatically Extends Coherence Time of Trapped-Ion Qubits
Lawrence Livermore National Laboratory USA Overview Lawrence Livermore National Laboratory has reported a significant extension in the coherence time of trapped-ion qubits. This achievement is critical for prolonging the duration qubits ... -
Quantum Computing
Xanadu Unveils Photonic Quantum Roadmap Targeting Over 1,000 Logical Qubits and 10⁻¹⁶ Error Rate by 2031
Xanadu Investor Relations Canada Overview Xanadu, a Canadian photonic quantum computing developer, has announced an ambitious roadmap to achieve over 1,000 logical qubits with a logical error rate of 10⁻¹⁶ by 2031. This plan aims to over...