Fidelity– tag –
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New Technology
Quantinuum H2-1 Quantum Computer Simulates Diphosphane NMR Spectrum with 21 Qubits, Demonstrating Deepest Circuit for Such Task
arXiv USA Overview Quantinuum's H2-1 trapped-ion quantum computer successfully simulated the proton NMR spectrum of diphosphane using 21 system qubits and 21 ancilla qubits. This experiment implemented a hardware-efficient 21-spin effect... -
New Technology
Quantinuum, Sandia, and NVIDIA Unveil QUOPS: New Universal Benchmark System Establishes Standard for Quantum Performance Measurement
Quantinuum USA Overview Quantinuum, in collaboration with Sandia National Laboratories and NVIDIA, has introduced QUOPS (Quantum Universal Operations Performance System), a new architecture-agnostic benchmark system for quantum performan... -
Quantum Computing
Singapore Commits S$300 Million in National Quantum Strategy: Driving Quantum Processor Development via Neutral Atom Arrays, Trapped Ions, and Photonics
EDB Singapore Singapore Overview Singapore will invest approximately S$300 million over the next five years in quantum technology research and talent development through its National Quantum Strategy (NQS). This initiative includes the N... -
Quantum Computing
MIT Unveils Novel ‘Arm Qubit’ Architecture Enabling Faster, More Accurate Superconducting Qubit Operations with Extended Coherence Times
MIT News USA Overview Researchers at MIT have designed a novel superconducting qubit architecture, dubbed the 'arm qubit,' demonstrating through simulations that it allows qubits to interact more quickly while maintaining enhanced stabil... -
Quantum Computing
IBM Unleashes ‘Nighthawk r2’ Quantum Chip: 120-Qubit Processor Achieves 25x Faster Circuit Execution, Exceeding 100,000 Circuits Per Second
YouTube (summary of IBM announcement) USA Overview IBM has unveiled its fastest quantum processor to date, the IBM Quantum Nighthawk r2, a 120-qubit system capable of executing over 100,000 circuits per second—a 25-fold speed increase ov... -
Quantum Computing
Beyond Qubit Count: Comprehensive Guide for Selecting Superconducting Qubit Solutions for Research Labs Emphasizes Lifetime, Fidelity, and Scalability
SpinQ China Overview This article advises research labs to look beyond mere qubit count when selecting superconducting qubit solutions, emphasizing the critical importance of evaluating factors like qubit lifetime, gate fidelity, fabrica... -
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
MIT Researchers Design New Qubit Architecture Enabling Faster, Higher-Fidelity Operations
MIT News USA Overview MIT researchers have designed a novel qubit architecture poised to significantly enhance quantum computer performance. This innovative design is expected to simultaneously boost the speed and fidelity (accuracy) of ... -
Quantum Computing
IBM and University of Chicago Achieve Verifiable Quantum Advantage, Solving Intractable Problem in 15 Minutes
almerja.com USA Overview IBM and University of Chicago researchers have demonstrated a quantum computation that significantly surpasses classical simulation capabilities, solving a problem in just 15 minutes that would be prohibitively l...