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Pamela Stark (Stanford University)21/10/2026, 14:00RDC 8 Quantum & Superconducting SensorsPresentation
Axions are a well-motivated dark matter candidate that may simultaneously solve both the strong-CP and dark matter problems. This candidate's coupling to the photon provides an especially distinct direct detection signal: in the presence of a strong magnetic field, axion-to-photon conversion induces oscillating currents within the detector at a frequency set by the axion mass. Because the...
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On Kim (Univeristy of Washington)21/10/2026, 14:15RDC 8 Quantum & Superconducting SensorsPresentation
The Axion Dark Matter eXperiment (ADMX) is a microwave-cavity haloscope designed to search for axion dark matter. The axion was originally proposed as a consequence of the PecceiโQuinn solution to the strong CP problem and has since emerged as a compelling dark matter candidate. Among the commonly used benchmark models for the axionโphoton coupling, ADMX targets sensitivity to the more weakly...
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Kieran Enzian (University of Washington)21/10/2026, 14:30RDC 8 Quantum & Superconducting SensorsPresentation
The Axion Dark Matter eXperiment (ADMX) is an axion haloscope detector capable of probing the galactic dark matter halo for axions. ADMX relies on superconducting amplifiers to reach the sensitivity needed to detect QCD axions. The current ADMX and ADMX-Sidecar data taking runs use a flux pumped Josephson parametric amplifier (JPA) and a kinetic inductance traveling wave parametric amplifier...
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Young Jin Kim (Los Alamos National Laboratory)21/10/2026, 14:45RDC 8 Quantum & Superconducting SensorsPresentation
We have recently initiated a project to develop a pathfinding experiment based on a new detection concept [1] to explore ultralight axion dark matter within a completely uninvestigated mass range near 10 neV. Our approach integrates a low-temperature resonant inductor-capacitor (LC) circuit with a state-of-the-art optical quantum sensor (OQS) to detect a โsmoking-gunโ signal: a tiny...
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Shreya Puranam (University of California, Berkeley)21/10/2026, 15:00RDC 7 Low-Background DetectorsPresentation
The QCD axion is one of the most well motivated dark matter candidates that would also solve the Strong CP Problem. Its potential mass range spans many orders of magnitude with much of this region still unexplored. At low masses (sub-ueV), axions can be detected via the lumped-element detection technique. Axion signals induced on a pickup are enhanced through an LC resonator and read out using...
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Siddhant Mehrotra (Yale University)21/10/2026, 15:15RDC 8 Quantum & Superconducting SensorsPresentation
Developments in levitated systems have paved the way for implementing nm to ฮผm scale objects as mechanical sensors for rare phenomena within and beyond the Standard Model. Solid noble elements are an attractive alternative to the silica spheres typically used in previous work for these sensors. Due to low optical absorption and high achievable purity levels, using noble elements may allow for...
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Daniel Kodroff (Lawrence Berkeley National Lab)21/10/2026, 15:30RDC 8 Quantum & Superconducting SensorsPresentation
The QuIPS (Quantum Invisible Particle Sensor) experiment reconstructs the full kinematics of weak nuclear decays using a radioisotope-loaded silica nanosphere, optically trapped in ultra-high vacuum and surrounded by active particle detectors. The recoil impulse imparted to the sphere, read out with quantum-limited sensitivity, is combined with a direct measurement of the emitted beta particle...
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Kirit Karkare (Boston University)21/10/2026, 15:45RDC 8 Quantum & Superconducting SensorsPresentation
The most compelling open questions in cosmology -- understanding the nature of inflation, dark energy, dark matter, and light relativistic species -- require cosmic surveys over extremely large volumes. The emerging technique of millimeter-wave line intensity mapping (LIM) has the potential to measure large-scale structure at distances far greater than the next generation of optical surveys. I...
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Riley Carpenter (SLAC National Accelerator Laboratory, Stanford University)21/10/2026, 16:30RDC 8 Quantum & Superconducting SensorsPresentation
The superconducting quasiparticle-amplifying transmon (SQUAT) sensor architecture has been demonstrated as a weakly charge sensitive qubit with resonator-free readout to continuously monitor the quasiparticle-tunelling-dependent parity of the qubit ground state. SQUATs are designed to be sensitive to both meV-scale phonons and THz photons, the former of which will be the focus of this talk....
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Mr Ziyu Cai (Illinois Institute of Technology)21/10/2026, 16:45RDC 8 Quantum & Superconducting SensorsPresentation
Phonon-mediated detectors have emerged as a promising technology for detecting low-energy particles, including neutrinos through coherent elastic neutrino-nucleus scattering (CEvNS) and dark matter. Coupling phonons with qubit technology, in addition to piezoelectric transducers, enables the realization of highly sensitive quantum acoustic detectors for such particle detection. An important...
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Glenn Richardson (Queens/FRIB)21/10/2026, 17:00RDC 8 Quantum & Superconducting SensorsPresentation
Direct spectroscopy of low-energy nuclear recoils following beta decay offers a sensitive probe for physics beyond the Standard Model, but requires detectors combining sub-keV thresholds, eV-scale energy resolution, and fast response times. The Superconducting Array for Low-Energy Radiation (SALER) addresses these needs by integrating Superconducting Tunnel Junction (STJ) arrays directly into...
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John Groh (Lawrence Berkeley National Laboratory)21/10/2026, 17:15RDC 8 Quantum & Superconducting SensorsPresentation
Continued advancements in sub-eV calorimetric measurements are being enabled through the athermal phonon detection channel, with applications spanning a diverse array of fields, including low-mass dark matter searches, coherent elastic neutrino-nucleus scattering, and quantum information science. While Transition Edge Sensors (TESs) have achieved the lowest thresholds to date, they face...
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Brandon Sandoval (Caltech)21/10/2026, 17:30RDC 8 Quantum & Superconducting SensorsPresentation
Quantum Parity Detectors (QPDs) are charge qubit-based phonon-mediated particle detectors with the prospect of detecting meV energy depositions in the target. The detection principle is as follows: phonons generated from an interaction within the crystalline substrate break Cooper-pairs in a superconducting phonon absorber, increasing the quasiparticle density near the qubit junction, hence...
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Thomas Cecil21/10/2026, 17:45RDC 8 Quantum & Superconducting SensorsPresentation
The Shirokoff Line-Intensity Mapper (SPT-SLIM) is a pathfinder instrument deployed on the South Pole Telescope, using on-chip superconducting filterbank spectrometers to perform mm-wavelength line-intensity mapping (LIM). Each SPT-SLIM pixel couples incident radiation from a feedhorn-fed orthomode transducer into superconducting microstrip transmission lines, which route the signal to an array...
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Geon-Bo Kim21/10/2026, 18:00RDC 8 Quantum & Superconducting SensorsPresentation
We report on recent progresses for the new remote magnetic phonon sensing approach to read out massive crystal calorimeters for dark matter detection. The detector consists of a single-crystal target, a magnetic phonon sensor made of an Ag:Er paramagnetic film or superconducting magnetic penetration phonon sensor (MPPS) film deposited on the crystal surface, and a separated SQUID...
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Jehu Martinez (Illinois Institute of Technology)21/10/2026, 18:15RDC 8 Quantum & Superconducting SensorsPresentation
Superconducting qubits are highly sensitive to their local environment. This sensitivity enables their use in quantum sensing, but it also makes them more susceptible to environmental noise. Background noise, device defects such as two-level systems, and changes in the qubit operating environment can all influence device performance. As a result, models developed under one set of conditions...
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