Sector-memory obstruction to probe-level bath emergence in finite programmable qubit environments
Finite quantum environments can relax local probes without acting as canonical baths.
@markeatherly.bsky.social
@markeatherly.bsky.socialSector-memory obstruction to probe-level bath emergence in finite programmable qubit environments
Finite quantum environments can relax local probes without acting as canonical baths.
@informaq.bsky.socialTechnology Innovation Institute unveiled cloud access to in-house superconducting QPUs with 10x improved state retention. Full stack from chip design to cloud operation demonstrates sovereign quantum capability and open-source collaboration.
@informaq.bsky.socialNovel protocol uses Direct Fidelity Estimation to test if quantum error mitigation noise parameters are accurately calibrated on hardware, and diagnoses whether parameters are overestimated or underestimated.
@informaq.bsky.socialPhotonic Inc. proposes shared domestic semiconductor fab for pilot-scale silicon spin-qubit manufacturing, targeting quantum computing, AI, and aerospace sectors to secure IP and sovereign supply chains.
@informaq.bsky.socialDelft Circuits develops cryogenic cabling for quantum computing on a startup budget. Head of Research Kiefer Vermeulen shares lessons on bridging academia and industry to build novel quantum hardware infrastructure.
@markeatherly.bsky.socialMeasurement Geometry as a Resource for Certifying Network Nonlocality
Quantum networks can exhibit nonclassical correlations that cannot be explained by classical models with independent sources.
@markeatherly.bsky.socialTransmon Phase Gates Controlled by Superconducting Soliton DAC
We introduce a superconducting digital-to-analog converter (DAC) that filters control noise, provides native multiplexing, performs quantum gates in nanoseconds, and can be controlled by CMOS.
@markeatherly.bsky.socialExtending the Bloch sphere model to an N-qubit system
The Bloch sphere is an elegant tool for representing single-qubit states. However, a widely accepted generalization for multi-qubit systems with entanglement remains absent.
@markeatherly.bsky.socialHamQASBench: A Hamiltonian-Informed Diagnostic Benchmark for Evaluating Quantum Architecture Search
@markeatherly.bsky.socialIQM Acquires Quantistry Assets to Expand Industrial Quantum Software Capabilities
@markeatherly.bsky.socialError Mitigation in Bosonic Systems via Virtual Distillation
Virtual distillation is a promising error-mitigation technique that exploits multiple copies of a noisy quantum state to estimate observables as if measured on a purified state.
@markeatherly.bsky.socialPhotonic Cluster State Generation from a Quantum Dot Emitting in the Telecom C-band
Photonic cluster states are a key resource for photonic quantum information processing. So far, deterministic generation of these states has been limited to the near-infrared wavelength range.
@informaq.bsky.socialQubic secures CA$1.5M Canadian government contract to deliver nine cryogenic amplifiers with <0.1mW heat dissipation, advancing scalable quantum computing and sensing with more robust, power-efficient designs.
@informaq.bsky.socialQubic secures $1.5M Canadian government funding to develop cryogenic amplifiers, advancing quantum computing hardware capabilities and infrastructure.
@informaq.bsky.socialMICROSOFT TECHNOLOGY LICENSING, LLC patent filing reveals a zoned neutral atom quantum computer that optimizes atom scheduling between storage and interaction regions using advanced solvers to reduce logical error rates.
@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.socialResearchers achieved the lowest charge noise (0.46 µeV/√Hz) in Ge quantum wells on silicon through engineered SiGe barrier composition, enabling high-fidelity scalable spin qubit processors.
@informaq.bsky.socialRecord-breaking heterogeneously integrated lasers at 795 nm achieve 3 kHz linewidth and >22 mW output power using micro-transfer printing, enabling scalable quantum processors and optical atomic clocks.
@informaq.bsky.socialSwitzerland's first IBM Quantum System Two installed at CSCS Lugano. 120-qubit Nighthawk r2 processor delivers 100,000+ circuits/second—25× throughput over prior generation. Establishes quantum hub through ETH Zurich-IBM partnership.
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