Radio frequency readout and control of Ge/SiGe hole spin qubits with a global accumulation gate
Hole spin qubits in undoped Ge/SiGe quantum well structures have advanced rapidly in performance and scalability.
@markeatherly.bsky.social
@markeatherly.bsky.socialRadio frequency readout and control of Ge/SiGe hole spin qubits with a global accumulation gate
Hole spin qubits in undoped Ge/SiGe quantum well structures have advanced rapidly in performance and scalability.
@aasforum.bsky.socialLiang Jiang: beyond computation, quantum tech can build sensors as small as a yellow fluorescent protein, with spins inside that sense a local magnetic field.
Full talk: https://www.youtube.com/watch?v=_edssYqFozY
@informaq.bsky.socialQuantum sensing technology could address growing mineral supply challenges, with copper demand projected to exceed primary supply by 25% by 2035 according to IEA analysis.
@informaq.bsky.socialResearchers demonstrate quantum advantage in fiber-optic strain sensors using entangled photon pairs, achieving sub-shot-noise sensitivity that surpasses classical limits in power-constrained sensing applications.
@informaq.bsky.socialInfleqtion secured £9M from Innovate UK to develop a deployable neutral-atom quantum radio frequency direction finding system, advancing real-world quantum sensing.
@informaq.bsky.socialUChicago team develops computational framework to accurately predict energy loss in spin defects through internal conversion, advancing quantum sensing applications and revealing underestimated loss pathways in silicon carbide divacancies.
@uapdrop.bsky.socialDeep Prasad explores how AI, quantum sensing and alleged Roswell-era technology might intersect in a framework for non-human intelligence, with consciousness at the center of his spacetime theory. #AI #QuantumSensing #UAP
@informaq.bsky.socialBell test records contain more parameter sensitivity than compressed scores reveal. Full coincidence data remains quantum-optimal even when scalar Bell scores are stationary—framework certifies sensing capability without complete state tomography.
@informaq.bsky.socialQuantum scrambling-integrated scheme achieves Heisenberg-limited precision measurement via saddle-point and separatrix dynamics, enabling practical quantum metrology across broader parameter ranges than criticality-enhanced protocols.
@informaq.bsky.socialProgrammable Floquet control enables quantum sensing beyond coherence limits by encoding information in relaxation dynamics, offering improved long-term precision under experimental drift.
@informaq.bsky.socialDistributed quantum sensing using entangled SU(1,1) Perelomov coherent states achieves Heisenberg-limited phase measurement in networks of Mach-Zehnder interferometers, outperforming separable strategies with sensitivity gains up to N.
@informaq.bsky.socialDemonstrated Aubry-André localization in bichromatic optical lattices to suppress tunneling, achieving 100-fold improvement in atomic coherence times—enabling precision optical lattice clocks for future space-based applications.
@informaq.bsky.socialProposes efficient weak-field sensing protocol for trapped ions combining detuned squeezing and spin-motion entanglement, achieving exponential sensitivity enhancement with reduced operational complexity for practical quantum metrology.
@informaq.bsky.socialQuantum entanglement enables exponential speedup in learning temporal statistics of classical signals. An entanglement-assisted scheme achieves polynomial acquisition time with logarithmic squeezing, while local protocols require exponential time.
@informaq.bsky.socialInfleqtion received £9M to develop a deployable quantum radio frequency direction-finding system using Rydberg atom sensors, reducing antenna array size while enabling compact, broadband sensing for defense and civilian applications.
@informaq.bsky.socialUKRI allocates £50M to quantum technology projects enabling GPS-independent navigation for railways and military, healthcare diagnostics, and monitoring systems. Supporting UK supply chains and aiming to train 150 quantum engineering apprentices by 2030.
@informaq.bsky.socialInfleqtion advances quantum RF sensing using Rydberg atoms to enable compact, deployable direction-finding for defense and civilian platforms, reducing size, weight, and power consumption compared to conventional antenna systems.
@informaq.bsky.socialUniversity of Auckland research demonstrates progress in miniaturizing optical frequency combs, enabling potential applications in portable atomic clocks and quantum computing systems previously limited by laboratory-scale equipment size.
@informaq.bsky.socialResearchers demonstrate squeezed light achieves super-exponential advantages over classical approaches in phase estimation under discrete phase randomization, with advantages persisting even under optical loss and thermal noise.
@informaq.bsky.socialScalable creation of negatively charged boron vacancy color centers in bulk h-BN demonstrated using 1.1 MeV He+ irradiation. Photoluminescence and ODMR measurements confirm robust quantum sensing centers with 3.5 GHz spin splitting for magnetometry.