Demonstrated high-fidelity controlled-Z gate for hybrid superconducting qubits achieving 99.99% fidelity in 25ns using single-parameter flux control, with negligible leakage and robust scalability to larger architectures.
@informaq.bsky.social
@informaq.bsky.socialDemonstrated high-fidelity controlled-Z gate for hybrid superconducting qubits achieving 99.99% fidelity in 25ns using single-parameter flux control, with negligible leakage and robust scalability to larger architectures.
@informaq.bsky.socialProposes an unprotected CZ gate for capacitively coupled soft 0-π qubits with simulated fidelity of ~99.9% at ~160ns gate time, addressing the gap in two-qubit gate implementations for this promising protected qubit platform.
@informaq.bsky.socialExperimental study of 14 superconducting transmons reveals universal scaling law for chaos thresholds in parametric drives: ηmax ∝ γ^0.61, where γ = ωq/|α|. Floquet and semiclassical simulations validate the relationship across wide parameter ranges.
@informaq.bsky.socialNorthrop Grumman demonstrates a CMOS current-based DAC operating at cryogenic temperatures for precise flux control of superconducting qubits, achieving high-fidelity readout and preparation with digitally tunable waveforms.
@informaq.bsky.socialDemonstrated rigorous certification of two-qubit entanglement in QAOA on superconducting hardware through causal manipulation of coupler drive parameters; disclosed prior compilation faults and implemented reproducible safeguards.
@informaq.bsky.socialSqueezed microwaves recover magnetic-field information lost during qubit readout, improving superconducting-qubit magnetometer sensitivity by 27.3% through suppressed state-assignment errors in the measurement stage.
@aidailypost.comAI agents just ran a quantum experiment on superconducting qubits using GPT‑5.6 Sol and Codex—MIT’s latest software automation breakthrough. Curious how code is now controlling the lab? Dive in! #AIAgents #QuantumExperiments #SuperconductingQubits
@informaq.bsky.socialRigetti secures $100M CHIPS Act funding to advance superconducting qubit scaling. With 50-70 nanosecond gate speeds and deployment of their 108-qubit Cepheus-1 system, the company advances toward utility-scale quantum computing.
@informaq.bsky.socialSkyWater and Qolab create a Midwest manufacturing pipeline for superconducting quantum processors, transitioning from low-volume research development to scalable foundry production with reduced cabling complexity and locked-in per-unit costs.