Coherence– tag –
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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... -
Harvard Researchers Triple Diamond Qubit Coherence Time Using Tiny Sound Waves, Paving Way for On-Chip Acoustic Quantum Networks
ScienceDaily USA Overview Harvard University researchers have successfully extended the coherence time of diamond-based qubits by approximately three times using tiny sound waves (phonons). This breakthrough significantly prolongs the du... -
Harvard Scientists Triple Diamond Spin Qubit Coherence Time Using Acoustic Waves for Quantum Information Protection
Digital Journal USA Overview Researchers at Harvard University's John A. Paulson School of Engineering and Applied Sciences have demonstrated a novel method for protecting quantum information by actively utilizing tiny sound waves (phono... -
Researchers Extend Silicon Spin Qubit Coherence to 67 Microseconds by Suppressing Electrical Interference, Boosting Stability
Quantum Zeitgeist USA Overview Researchers have successfully extended the coherence time of silicon spin qubits to an impressive 67 microseconds by strategically optimizing component placement on microchips to minimize decoherence from e... -
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... -
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... -
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 ... -
Brookhaven National Laboratory Develops Superconducting Qubits with Over 1 Millisecond Coherence, Advancing Quantum Information Science
Brookhaven National Laboratory (BNL) Newsroom USA Overview Researchers at the Co-design Center for Quantum Advantage (C2QA), led by Brookhaven National Laboratory, have successfully developed superconducting qubits with a coherence time ... -
Advancements Towards ‘Q-Day’: Google Willow, Quantinuum H2, Microsoft Majorana 1 Achieve Key Milestones in Practical Quantum Computing
Global Resilience Institute USA Overview Preparation for 'Q-Day' (when quantum computers break current encryption) emphasizes not only the physical qubit count but also their quality, coherence time, and error rates. NIST finalized its P... -
SpinQ Explores Next-Generation Superconducting Quantum Chip Technology: Targeting Significantly Improved Coherence Time, Gate Fidelity, and Broad Quantum Stack Compatibility
SpinQ China Overview SpinQ has announced its exploration into next-generation superconducting quantum chip technology, designed not only to increase qubit count but also to achieve superior coherence times, higher gate fidelity, and broa...
