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KAIST researchers improved ultrafast homodyne detection by 135% through optimized temporal signal processing that exploits noise correlations, advancing continuous-variable quantum sensing and communication applications.

#QuantumSensing #QuantumMetrology #News
KAIST Optimizes Signal Processing for Enhanced Ultrafast Quantum State Detection
quantumzeitgeist.com
November 8, 2026 at 9:10 PM
markeatherly.bsky.social
Operational Concealment of Measurement Incompatibility by Quantum Channels

#QuantumHardware #QuantumSensing
Operational Concealment of Measurement Incompatibility by Quantum Channels
Measurement incompatibility can remain intact at the operator level yet become operationally inaccessible when observations are restricted to the output of a quantum channel; we refer to this phenomenon as operational concealment. We develop a systematic adjoint-kernel framework for operational conc
arxiv.org
November 6, 2026 at 12:58 PM
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Titanium nitride films native to commercial CMOS processes become superconductors at millikelvin temperatures, enabling sensitive on-chip readout of semiconductor spin qubits using existing gate metallization—advancing practical quantum hardware integration.

#QuantumSensing #QuantumHardware #News
CMOS-Compatible Superconducting Films Enable Compact Spin Qubit Readout
iq.fp2.dev
November 4, 2026 at 11:46 AM
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CQMTEK secures $15M pre-Series B funding to expand quantum precision measurement manufacturing and commercial deployment capabilities.

#QuantumSensing #QuantumMetrology #News
CQMTEK Raises Over $15M for Quantum Measurement Expansion
thequantuminsider.com
November 5, 2026 at 10:54 AM
informaq.bsky.social
Single graviton detection transforms from theoretical impossibility to realistic experimental goal using quantum acoustic systems and macroscopic mass quadrupoles, enabling direct probing of linearized quantum gravity from passing gravitational waves.

#QuantumGravity #QuantumSensing #Research
Demystifying Graviton Detection
arxiv.org
November 6, 2026 at 3:16 AM
markeatherly.bsky.social
Multiparameter Quantum Estimation in a Raman-Coupled Two-Qubit System

We investigate multiparameter quantum estimation in a Raman-coupled two-qubit system at thermal equilibrium.

#QuantumHardware #QuantumSensing
Multiparameter Quantum Estimation in a Raman-Coupled Two-Qubit System
We investigate multiparameter quantum estimation in a Raman-coupled two-qubit system at thermal equilibrium. Analytical expressions for the quantum Fisher information matrix are derived to characterize the simultaneous estimation of the temperature and Raman coupling strength. The corresponding quan
arxiv.org
November 7, 2026 at 10:40 AM
informaq.bsky.social
Researchers engineered uniform paramagnetic defects in silicon carbide using oxygen diffusion, achieving sub-MHz spin resonance uniformity—a breakthrough enabling more reliable quantum sensors.

#QuantumSensing #SiliconCarbide #QuantumDefects
High-Quality Paramagnetic Defects in Silicon Carbide via Oxygen Diffusion for Quantum Sensing
iq.fp2.dev
November 6, 2026 at 4:33 PM
informaq.bsky.social
Toyota funds UChicago research into quantum sensing, secure vehicle communications, and energy storage materials, aiming to accelerate quantum technology deployment in real-world transportation systems.

#QuantumSensing #QuantumTech #News
Toyota Partners with University of Chicago on Quantum Technologies for Transportation and Mobility
iq.fp2.dev
November 3, 2026 at 3:37 PM
informaq.bsky.social
Researchers achieved 4 orders of magnitude sensitivity improvement in quantum gyroscopes using nitrogen-vacancy centers in levitated diamonds, employing counter-diabatic protocols to suppress errors and enable robust geometric phase accumulation.

#QuantumSensing #NVCenters #News
Quantum Gyroscopes Using Berry Phase Encoding in Levitated Diamond
quantumzeitgeist.com
November 6, 2026 at 10:03 PM
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Researchers demonstrated unprecedented precision in retrodicting past quantum measurements using 5.17×10¹⁰ rubidium atoms, achieving variances 1.01 dB below the Heisenberg uncertainty bound for over 1.4 hours through continuous weak measurements.

#QuantumSensing #Retrodiction #QuantumMeasurement
Continuous Retrodiction of Quantum Spin Exceeds Heisenberg Uncertainty Limits
quantumzeitgeist.com
November 6, 2026 at 9:35 PM
informaq.bsky.social
Adelaide researchers used synthetic area spread in 2D SQIF arrays to achieve absolute magnetic field sensing without sacrificing detector sensitivity—a long-standing trade-off. Applications include MEG imaging and quantum hardware readout.

#SuperconductingQuantum #QuantumSensing #Magnetometry
Synthetic Area Spread Enables Absolute Magnetic Field Sensing in Superconducting Quantum Arrays
iq.fp2.dev
November 7, 2026 at 8:32 PM
informaq.bsky.social
Optimized phase profiles in spatial light modulators achieve quantum-limited superresolution imaging, extracting up to 99% of quantum information while retaining >99% incident photons—enabling practical sub-Rayleigh optical measurement.

#QuantumSensing #Superresolution #Research
Approaching Quantum Limits in Sub-Rayleigh Resolution Using Phase Modulation Optimization
arxiv.org
November 6, 2026 at 9:38 AM
informaq.bsky.social
Researchers identified optimal quantum states—rotated NOON and twin-Fock states—achieving Heisenberg-limited sensitivity for beam displacement sensing, with practical measurement schemes demonstrating quantum advantage beyond classical limits.

#QuantumMetrology #QuantumSensing #Research
Quantum Enhanced Beam Displacement Estimation: Optimal Measurement Strategies and Sensitivity Limits
iq.fp2.dev
November 6, 2026 at 7:36 AM
markeatherly.bsky.social
Quantum probe advantage in learning many-body systems

Which properties of a quantum many-body system are operationally accessible is a central question underlying spectroscopy, thermodynamics, and quantum information science.

#QuantumSimulation #QuantumSensing
Quantum probe advantage in learning many-body systems
Which properties of a quantum many-body system are operationally accessible is a central question underlying spectroscopy, thermodynamics, and quantum information science. Conventional response theory answers this question within a system-only paradigm: one perturbs and measures the matter itself, o
arxiv.org
November 6, 2026 at 12:58 PM
informaq.bsky.social
Non-Gaussian optical probes achieve quadratic quantum-advantage scaling in phase estimation precision under realistic preparation constraints, while Gaussian states are limited to linear scaling with available resources.

#QuantumSensing #QuantumMetrology #Research
Precision Limits and Non-Gaussian Advantage in Optical Phase Estimation
arxiv.org
November 5, 2026 at 1:20 PM
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Thulium atoms show ~4x smaller electric quadrupole polarizability than cesium, making them more resistant to stray electric fields. This advances development of ultra-precise thulium optical atomic clocks with improved accuracy in precision timekeeping.

#QuantumSensing #AtomicClocks #Research
Relativistic Calculation of Atomic Quadrupole Polarizability in Thulium for Precision Atomic Clocks
arxiv.org
November 6, 2026 at 7:52 AM
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Novel framework establishes superconducting qubits as direct particle detectors by resolving circuit transitions as scattering observables, accessing unexplored eV-keV dark matter mass range through finite-momentum electromagnetic response.

#QuantumSensing #DarkMatterDetection #QuantumQubits
Superconducting Qubits as Direct Particle Detectors via Finite-Momentum Scattering
arxiv.org
November 5, 2026 at 10:03 AM
appliedquantum.bsky.social
Our consultants now teach alongside Joe Spencer, Quantum Academy's new Senior Instructor. Joe has advised the UK Ministry of Defence and the UK Space Agency on quantum technology. quantumacademy.com/news/joe-spe... #QuantumSensing
November 4, 2026 at 8:57 AM
ivezic.bsky.social
Really proud to welcome Joe Spencer to Quantum Academy. Many people know him from Global Quantum Intelligence. Fewer know he started at Dstl and led a laser physics team at QinetiQ. quantumacademy.com/news/joe-spe... #QuantumSensing
November 4, 2026 at 9:42 AM
informaq.bsky.social
Researchers achieved record-breaking spectral resolution (1460) in infrared imaging using undetected photons, eliminating the need for expensive cooled detectors. This quantum sensing breakthrough enables more accessible biological imaging.

#QuantumImaging #QuantumSensing #News
Record Spectral Resolution Achieved in Quantum Infrared Imaging with Undetected Photons
quantumzeitgeist.com
November 5, 2026 at 3:58 AM
markeatherly.bsky.social
Chips JU and Pasqal Launch €50M ($57.2M USD) Q-PLANET Pilot Line to Industrialize Neutral Atom Quantum Chips

#QuantumHardware #QuantumSensing #QuantumResearch
Chips JU and Pasqal Launch €50M ($57.2M USD) Q-PLANET Pilot Line to Industrialize Neutral Atom Quantum Chips
The European Union's Chips Joint Undertaking (Chips JU) has launched Q-PLANET, a €50 million ($57.2 million USD) European Quantum Chip Stability Pilot Line dedicated to manufacturing industrial-grade components for neutral atom quantum computing, sensing, and communication platforms. Coordinated by
quantumcomputingreport.com
November 5, 2026 at 12:36 PM
quantumacademy.bsky.social
Joe Spencer, a physicist who has advised the UK Ministry of Defence and the UK Space Agency on quantum technology, has joined Quantum Academy as a Senior Instructor. He founded IoniQ Consulting. quantumacademy.com/news/joe-spe... #QuantumSensing
November 4, 2026 at 8:12 AM
tenuretracker.bsky.social
Stockholm University is hiring:
PhD Student in Theoretical Physics: Quantum Sensing with Anharmonic Systems

#phd #physics #quantumsensing
November 2, 2026 at 4:47 AM
informaq.bsky.social
Quantum advantage in squeezed-state phase sensing persists despite pump quantization, but requires operating at maximum flux with joint nonlinear measurements—shifting optimal sensing strategies beyond traditional squeezing metrics.

#QuantumSensing #QuantumMetrology #Research
Pump Quantization Changes Optimal Measurements for Quantum Sensing
arxiv.org
November 4, 2026 at 3:45 AM
informaq.bsky.social
UChicago and Toyota initiate multi-year collaboration to develop quantum technologies for secure vehicle systems, sensing applications, and sustainable transportation solutions.

#QuantumSensing #QuantumMobility #News
University of Chicago and Toyota Launch Quantum Research Partnership for Sustainable Mobility
iq.fp2.dev
November 3, 2026 at 4:39 PM