DeLLight validates its HFPNS noise-suppression method, achieving ~46nm spatial resolution near the CCD shot-noise limit—a critical milestone toward first-ever interferometric detection of QED-predicted vacuum refraction using femtosecond laser pulses.
#QED #QuantumSensing #Photonics
NV center quantum dephasometry non-invasively probes superparamagnetic spin dynamics in 1.1nm CoFeB, revealing unconventional non-monotonic T2 temperature dependence from MHz-range EM fluctuations driven by thermally activated magnetic domain flipping.
#QuantumSensing #Spintronics #NVCenter
Using quantum interference of gravitational forces and post-selection, a single spatially superposed mass can induce effective gravitational repulsion on a probe particle—impossible classically—witnessing quantum gravity with only one mass in superposition.
#QuantumGravity #QuantumSensing #Research
CableLabs extends single-source SPDC quantum time sync to 4-user star networks (fiber & free space), achieving 50ps precision with atomic clocks and 20ps with GPS-disciplined oscillators—3 orders of magnitude over GPS alone.
#QuantumNetworking #QuantumSensing #Research
Levitated dual-nanosphere cavity optomechanics detects symmetron-mediated fifth-force coupling via resonance splitting, improving laboratory bounds on symmetron dark energy by up to 4 orders of magnitude in the µ~10⁻³ eV regime.
#QuantumSensing #DarkEnergy #Research
First study of 2D Stern-Gerlach interferometry with NV-diamond nanorotor: gyroscopic spin via ~10 kHz rotation stabilizes Euler-angle dynamics, achieving ~0.215µm superposition in 0.013s with contrast ~0.996 for 10⁻¹⁶kg particles.
#QuantumSensing #MatterWaveInterferometry #Research
Proposes using a Josephson junction's negative inductance as a non-Foster circuit element to bypass Bode-Fano bandwidth limits in axion searches, with WRSPICE simulations demonstrating ~250x scan rate improvement over passive resonant matching networks.
#QuantumSensing #DarkMatter #Superconducting
New QHP regime theory bridges intermediate buffer gas pressure models for alkali-metal atoms, revealing resonant pumping at the lower hyperfine multiplet simultaneously narrows linewidth and boosts atomic magnetometer signal amplitude.
#AtomicMagnetometry #QuantumSensing #Research
Quantum statistical framework using Fisher/Chernoff information bounds shows spatial mode sorting achieves near-quantum-limited crack width & depth estimation passively, outperforming direct imaging for shallow defect detection (δz²/12 vs δz⁴/72 scaling).
#QuantumSensing #QuantumMetrology #Research
Researchers achieved 12-fold SNR enhancement in magnetic field sensing using a CPA EP3 in a passive YIG-sphere cavity system, with 70-fold SNR and 400-fold responsivity gains by decoupling absorption and resonance EPs to suppress eigenbasis noise.
#QuantumSensing #NonHermitianPhysics #Research
Levitated diamond NV-center gyroscope exploiting geometric Berry phase with Kato gauge potential counter-diabatic driving achieves 0.6 µrad/s/√Hz sensitivity—four orders of magnitude improvement over conventional detuned protocols.
#QuantumSensing #QuantumGyroscope #Research
Ab initio calculations show V−B centers in rhombohedral BN emit ≥10× brighter than hexagonal BN due to C3v symmetry breaking, enabling room-temperature single-spin quantum sensing with ~1µs radiative lifetime and computed ZFS D≈3.44 GHz matching experiment.
#QuantumSensing #SpinDefects #2DMaterials
Novel multilayer superconducting resonators achieve Purcell factor >10¹⁵ and 5× stronger spin-resonator coupling, enabling ~41× faster single-spin photon counting and microwave-only dispersive spin readout without single-photon detectors.
#QuantumSensing #SpinQubits #Superconducting
Geometric phase protocol for cavity-based dark matter searches surpasses the standard quantum limit by combining squeezing & coherent displacements in qubit-oscillator systems, boosting axion & dark photon detection sensitivity by 1–2 orders of magnitude.
#QuantumSensing #DarkMatter #Research
A dual-species 85Rb/87Rb atom interferometer aboard China's Space Station achieved a WEP test uncertainty of 2.8×10⁻⁸ over 280 days—three orders of magnitude better than prior microgravity atom-interferometric tests.
#QuantumSensing #AtomInterferometry #Research
Hybrid cryogenic architecture combining dielectric haloscope, Rydberg-atom six-wave mixing, and SNSPD achieves projected axion-photon coupling sensitivity ~10⁻¹³ GeV⁻¹ at 0.4 meV, opening the unexplored THz dark matter window.
#QuantumSensing #DarkMatter #Research
ANELLO & Q-CTRL announce a world-first integration of silicon photonics inertial sensing (SiPhOG™) with quantum magnetic navigation (Ironstone Opal) for GPS-denied UAV operations, targeting defense and commercial logistics sectors.
#QuantumSensing #UAV #News
USTC researchers localized a single diamond NV center at 0.28±0.10 nm resolution using Fourier magnetic imaging with a drift-compensated ODMR platform and 13.5 G/µm pulsed gradient — approaching atomic-scale quantum sensing.
#QuantumSensing #NVCenter #DiamondSpintronics
ANELLO Photonics and Q-CTRL integrate silicon photonics optical gyroscope (SiPhOG) inertial sensing with Q-CTRL's Ironstone Opal quantum magnetic navigation for GPS-denied UAV operations, targeting ~$1B daily US economic impact from GPS jamming/spoofing.
#QuantumSensing #GPSDenied #News
Diraq & Fermilab are developing a quantum sensor integrating silicon spin qubits with low-noise charged-particle detection. Using quantum error correction, it aims to detect axions—hypothetical dark matter particles—beyond standard model physics.
#SpinQubits #QuantumSensing #News
Yonsei University researchers show temporal entanglement via time-domain multiplexing pushes distributed quantum sensor sensitivity toward 1/(NMR)², surpassing linear repetition scaling. Validated with Bogoliubov formalism; resilient to 20% optical loss.
#QuantumSensing #QuantumMetrology #News
Chen et al. (IQIM) establish tight bounds: n³/ε² samples for Gaussian measurements, n²/ε² for all types. Non-Gaussian measurements are provably required for optimal passive-state learning; adaptive schemes enable near energy-independent scaling.
#QuantumLearning #QuantumSensing #News
Alex Maierean (UWaterloo IQC/Phantom Photonics CEO) won the 2026 Women in Defence & Security Scholarship ($10K). Her startup develops single-photon quantum sensors for marine/space defence applications, spun out of Dr. Thomas Jennewein's IQC lab in 2023.
#QuantumSensing #WomenInSTEM #News
Quantum sensing is quickly moving from theory to real-world impact.
We support advanced research and quantum technologies by offering high-purity gases essential for next-generation materials.
#QuantumTechnology #QuantumSensing #DeepTech #MaterialsScience #quantumdiamond #nitrogenvacancy #Research
Univ. of Bristol achieved sub-mm ranging accuracy over 400m in daylight using classical lasers that mimic energy-time entanglement correlations via optical fibres & modulators—no quantum light needed. Published in Nature Communications.
#QuantumSensing #LaserRanging #News
Dual-chirp AFDM with Rydberg atomic quantum receivers resolves range/velocity ambiguity, achieving 5× sensitivity beyond the standard quantum limit (700pV·cm⁻¹·Hz⁻¹/²). Framework enables unambiguous ISAC parameter extraction for 6G networks.
#RydbergAtoms #QuantumSensing #6G
NVRNet uses a sim-to-real DL pipeline to denoise Ramsey PL traces and infer ¹³C hyperfine coupling in diamond NV centers, cutting reconstruction error to 0.44–0.67× raw noise with FFT errors of 0.10–0.19 from minimal sweep data.
#QuantumSensing #NitrogenVacancy #Research
A variational quantum sensing framework using a 10-qubit probe learns RF-based localisation from ray-traced data, requiring no channel measurements at deployment. Matches fully-informed classical LSTM baselines even in obstructed environments.
#QuantumSensing #6G #VariationalQuantum
Bar-Ilan researchers propose a dual SU(1,1) interferometer using polarization-entangled, two-mode squeezed light to detect birefringence 3–15 dB below the shot-noise limit, robust to detector inefficiency under realistic loss conditions.
#QuantumSensing #QuantumInterferometry #Research
Infleqtion extends quantum computing collaborations with Sandia & Lawrence Berkeley National Labs, and launches a new partnership with Fermi National Accelerator Laboratory.
#QuantumComputing #QuantumSensing #News
