FirstQFM's quantum foundation model achieves 33% reduction in single-qubit gate execution times on QuantWare's superconducting processor, demonstrating significant efficiency gains in quantum gate optimization.
@informaq.bsky.social
@informaq.bsky.socialFirstQFM's quantum foundation model achieves 33% reduction in single-qubit gate execution times on QuantWare's superconducting processor, demonstrating significant efficiency gains in quantum gate optimization.
@informaq.bsky.socialNovel noise characterization methods combining regularized cycle benchmarking and 2D tensor-network tomography enable error-mitigated superconducting quantum processors to achieve <13% error on circuits with 400 CZ gates.
#NoiseCharacterization #QuantumErrorMitigation #SuperconductingQubits
@informaq.bsky.socialLifting framework improves mid-circuit measurement reliability on superconducting processors by ~13.5% through joint readout signals and context-matched neural decoding, addressing fundamental Bayes risk limits.
@informaq.bsky.socialQilimanjaro closes €19.6M Series A from Spanish defense and sovereign tech investors, advancing fluxonium superconducting qubits with enhanced coherence times for quantum-HPC hybrid computing and AI acceleration.
@informaq.bsky.socialD-Wave extends its multi-year SkyWater partnership for superconducting quantum processor manufacturing. Recent research showed quantum advantage for simulation problems, and quantum annealing reduced production delays by 30%.
@informaq.bsky.socialResearchers integrated a superconducting SNAIL amplifier to eliminate external amplification bottlenecks in quantum readout, enabling more scalable on-chip signal processing for quantum systems.
@informaq.bsky.socialDeveloped a new q-derivative operator from Jackson's q-algebra that preserves thermodynamic consistency while enabling analytical pulse-shaping corrections for leakage suppression in superconducting qubits, generalizing the DRAG technique.
@informaq.bsky.socialSub-Riemannian geodesic optimization achieves 99.96% fidelity for single-qubit gates while suppressing leakage errors, outperforming DRAG pulses at short pulse durations in superconducting qubits.
@informaq.bsky.socialSuccessfully extracted topological invariants via momentum-selective measurements on superconducting qubits. Mapped extended SSH model phase diagram with quantized winding numbers, validating direct band-topology tomography on quantum processors.
@informaq.bsky.socialPDRAG achieves 5.27×10⁵-fold leakage reduction in superconducting qubit gates through simultaneous control of both leakage channels using derivative-based pulse shaping, with endpoint leakage reaching 1.98×10⁻⁷ at 13 ns.
@informaq.bsky.socialTantalum thin films achieve record T1 relaxation times exceeding 1ms and internal quality factors surpassing 10 million, significantly outperforming aluminum and niobium in superconducting qubit performance.
@informaq.bsky.socialDemonstrated adaptive measurement-based reset protocol using Bayesian inference achieves 99.44% ground-state initialization fidelity in superconducting qubits with deterministic timing for scalable multi-qubit processors.
@informaq.bsky.socialStress-induced low-gap superconducting regions in niobium films significantly degrade microwave performance while remaining invisible to conventional transport measurements, revealing a critical materials challenge for quantum device fabrication.
@informaq.bsky.socialResearchers at Chinese Academy of Sciences achieved a 4× increase in logical qubit coherence by compiling error recovery into transmon control cycles, eliminating measurement overhead while maintaining stability through pulse-level compilation.
@informaq.bsky.socialFour computational methods validate electromagnetic coupling extraction in superconducting processors with <5% variance, advancing precise characterization for fault-tolerant quantum systems.
@informaq.bsky.socialResearchers demonstrate superconducting transistors as a solution to the fundamental challenge of controlling qubits at cryogenic temperatures, potentially eliminating complex external control electronics.
@informaq.bsky.socialNovel encapsulation epitaxy enables large-area, air-stable monolayer NbSe₂ films with exceptional crystalline quality and 0.71 nH/□ kinetic inductance, demonstrating integration into superconducting quantum circuits.
@informaq.bsky.socialNovel approach compiles local quantum error correction recovery directly into fixed, input-independent control pulses on transmon qubits without measurement feedback, improving scalability of fault-tolerant quantum computing.
@informaq.bsky.socialHigh-fidelity remote two-qubit gates demonstrated between superconducting qubits via coaxial cable with infidelity below 10⁻⁶. This approach enables scalable modular quantum computing without additional tunable coupling elements.
@informaq.bsky.socialSulfur passivation and argon milling improved interface chemistry and superconducting transport, but failed to reduce microwave loss in Nb-InP resonators, suggesting loss mechanisms lie elsewhere—possibly substrate or quasiparticle pathways.