- Fidelity First: Quantinuum Advances Quantum Computing with Error Correction and Fault-Tolerant Software
Quantinuum achieves 99.9975% single-qubit gate fidelity on 98-qubit trapped-ion system. High fidelity, not just gate speed, enables scalable quantum error correction. New Guppy FT framework lets...
3 points0 comments2 d ago
- Classical Boundary of Quantum Computation: History-Resolved Causal Stochastic Machines
Research formally defines the quantum-classical computational boundary via history-resolved causal stochastic machines (HCSMs). Key finding: exact quantum coherence simulation requires retaining...
3 points0 comments6 d ago
- Quantum eMotion Acquires Plurilock Security to Integrate Quantum Entropy and Post-Quantum Cryptography
Quantum eMotion Corp. will acquire cybersecurity firm Plurilock Security for ~$24M USD to embed QRNG and FIPS 140-3/NIST 800-90B validated entropy technologies into identity and cybersecurity...
3 points0 comments6 d ago
- Quantum-Mechanical Encryption Key Stretching Method
IQM FINLAND OY patent filing describes a quantum-mechanical approach to encryption key stretching that encodes keys into quantum states, scrambles them into larger state sets, and derives enhanced...
2 points0 comments14 h ago
- Quantum Computing Investment Reaches $10.9 Billion in 2025 Amid U.S.-China Geopolitical Competition
Quantum funding surged to $10.9B in 2025 with capital concentrating in mature players. China filed 4x more quantum patents than the U.S., while American research maintains higher citation impact....
2 points0 comments1 d ago
- Optimizing ZEFOZ Operating Points in Erbium-Doped Quantum Memories
Study identifies optimal operating points for 167Er quantum memories, achieving 220,000-second pure-dephasing times and 1.248×10⁵ Hz/mT Rabi frequency via full-Hessian analysis with...
2 points0 comments1 d ago
- Linear Algebraic Proof of Maximal Entanglement Requirements for Local Quantum State Verification and Discrimination
Establishes that maximal entanglement is necessary and sufficient for perfect local quantum state verification and discrimination via LOCC. Simplified linear algebra proof replaces prior algebraic...
2 points0 comments3 d ago
- Gaussian Quantum Integrated Sensing and Communication with Entanglement Assistance
Develops protocols using shared quantum entanglement to simultaneously enhance communication and sensing over lossy optical channels. C3MSV-assisted scheme outperforms time-sharing, demonstrating...
2 points0 comments4 d ago
- Four Key Quantum Business Applications in 2026
Enterprises pilot quantum in optimization, molecular simulation, and sensing. Industry focus shifts from theory to near-term hybrid approaches and strategic cryptographic readiness as practical...
2 points0 comments4 d ago
- Optimal Initial States for Quantum Fisher Information in Linearized Cavity Optomechanics
Closed-form optimal quantum states for measuring single-photon optomechanical coupling strength. Results include Heisenberg-limited scaling with entangled NOON states, phase-matched squeezing...
2 points0 comments6 d ago