@informaq.bsky.socialQubit probes can detect quantum phases in strongly correlated systems even at finite temperatures. Oscillatory signatures persist remarkably robustly, suggesting practical quantum sensing applications beyond zero-temperature constraints.
@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.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.socialUniversity of Sydney and IBM Quantify Mid-Circuit Measurement Bottlenecks to Advance Fault-Tolerant Logic
IBM Quantum System Two in Poughkeepsie, New York. The machine was used in the experiments conducted by University of Sydney quantum physicists.
@informaq.bsky.socialWe demonstrate SI-traceable calibration of commercial THz photomixer systems at 204 GHz using Rydberg atomic electrometry, establishing absolute field measurements and benchmarking receiver sensitivity performance against atom-based standards.
@informaq.bsky.socialDemonstrated co-design framework optimizes cavity modes for simultaneous multifrequency Rydberg atom sensing, achieving 100x device compaction and 10-40x better frequency matching than conventional methods through SPSA-Adam optimization.
@informaq.bsky.socialSandboxAQ completed the first reported test of magnetic navigation technology on an attritable drone, demonstrating unjammable positioning without GPS in contested environments.
@informaq.bsky.socialResearchers achieved simultaneous high spatial and temporal resolution for mapping magnetic fluctuations in materials using diamond nitrogen vacancy centre ensembles, overcoming previous limitations.
@informaq.bsky.socialSingular Photonics introduces the Litavis SPAD image sensor, leveraging single-photon avalanche diode technology for enhanced quantum sensing and photonic imaging applications.
@informaq.bsky.socialFinite-energy GKP states can outperform squeezed vacuum in interferometry under specific conditions (∆<0.3282), but at equal mean photon number, squeezed vacuum maintains the advantage. Optical loss reduces both states' relative advantage asymptotically.
@informaq.bsky.socialUniversal relations discovered between quantum Fisher information metrics and work performed on thermal probes reveal counterintuitive heating advantage for quantum sensing precision with quadratic signals.
@informaq.bsky.socialNovel quantum Barankin bound based on right-division operators provides closed-form Gaussian state formulas and reveals tighter precision limits in few-shot quantum sensing—capturing threshold effects the standard Cramér-Rao bound misses.
@aviationnews-eu.bsky.social@informaq.bsky.socialNew five-year MEAD program will use atomic-scale doping and isotopic engineering to create advanced materials for quantum sensors, secure communications, and computing. Aims to bridge laboratory innovation and commercial deployment.
@informaq.bsky.socialStudy reveals how environmental coupling fundamentally alters quantum sensing precision through a dynamical crossover in the spin-boson model, with temperature and energy relaxation regularizing sensitivity in realistic conditions.
@informaq.bsky.socialSandboxAQ successfully demonstrates quantum-enabled GPS-free navigation on a Northrop Grumman drone, advancing quantum sensing capabilities for autonomous defense applications.
@informaq.bsky.socialSolution-phase fluorination of nanodiamonds achieves ~90% NV⁻ fraction—among the highest reported—using mild, scalable chemistry. Two complementary routes (Balz–Schiemann and XeF₂) stabilize nitrogen-vacancy centers for quantum sensing applications.
@informaq.bsky.socialQuantum sensors using laser-cooled atoms can now serve as primary pressure standards in ultra-high vacuum, eliminating calibration needs and achieving <1% accuracy through quantum mechanics alone.
@informaq.bsky.socialTwin-field sensors combining two systems with opposite detunings saturate quantum measurement limits using simple photon counting or homodyne detection, outperforming conventional single-field approaches across diverse platforms.
@informaq.bsky.socialCavity magnonics evolves beyond polariton physics: engineered dissipation, Floquet driving, and parametric techniques enable quantum state preparation, enhanced sensing, and nonreciprocal transport in hybrid magnon systems.