Name: Optomechanical Sensing for Subatomic and Astroparticle Physics
Start: 2026-09-23T08:00:00-04:00
End: 2026-09-25T13:30:00-04:00
Location: No location set

Optomechanical Sensing for Subatomic and Astroparticle Physics

from Wednesday, 23 September 2026 (08:00) to Friday, 25 September 2026 (13:30)

Monday, 21 September 2026
Tuesday, 22 September 2026
Wednesday, 23 September 2026

08:00 Breakfast
Breakfast
08:00 - 09:00
09:00 Overview: Opening & Overview
Opening & Overview
09:00 - 10:30
Contributions

09:00 Welcome - Arthur McDonald Kyle Leach (Queen's University)

09:15 Workshop logistics and practical information - Wouter Van De Pontseele (Colorado School of Mines)

09:30 Overview of broad scope and theory - Zhen Liu
10:30 Coffee Break
Coffee Break
10:30 - 10:45
10:45 Quantum Measurement, Gravity & Dark Matter: Morning
Morning
10:45 - 12:05
Contributions

10:45 Quantum measurements of particles and of waves for probes of gravity: unconditional observation of quantum back-action on gravitational-wave detectors - Vivishek Sudhir (MIT)

11:25 Sensing gravitational waves and dark matter with superfluid helium: tunable acoustic Weber-bar resonators with cavity-electromechanical readout - John Davis (University of Alberta)
12:05 Lunch
Lunch
12:05 - 13:00
13:00 Quantum Measurement, Gravity & Dark Matter: Afternoon
Afternoon
13:00 - 14:40
Contributions

13:00 Search for scalar ultralight dark matter using cryogenic optical cavities: first demonstration with two cryogenic sapphire Fabry–Pérot cavities - Tejas Deshpande (Northwestern University)

13:40 Looking for dark photons with two-photon atomic transitions: coherent parahydrogen ensembles and the CATCHY pathfinder - Andrew Buchanan (Queen's University)

14:00 Heavy Neutrino Experiment Using Levitated Tritiated Nanoparticles - Samuele Sangiorgio (Lawrence Livermore National Laboratory)

14:20 Trapping solid noble gases - Lucas Darroch (Yale)
14:45 Working Session: Free Discussion with Coffee
Free Discussion with Coffee
14:45 - 16:00

16:00 Dinner on Own
Dinner on Own
16:00 - 19:00

19:00 Conference Reception
Conference Reception
19:00 - 21:00
Thursday, 24 September 2026

08:00 Breakfast
Breakfast
08:00 - 09:00
09:00 Overview: Modalities and Experiments
Modalities and Experiments
09:00 - 10:00
Contributions

09:00 Overview of modalities and experiments - David Moore (Yale University)
10:00 Coffee Break
Coffee Break
10:00 - 10:15
10:15 Levitated Sensors: I - Levitated Optomechanics
I - Levitated Optomechanics
10:15 - 12:15
Contributions

10:15 Optomechanical sensors for gravity, dark matter, and axions: levitated tests of quantum gravity and high-frequency gravitational-wave searches - Andrew Geraci

10:55 Gravitational-wave response of optically levitated sensors in Fabry–Pérot cavities: relativistic derivation and the input-mirror asymmetry - Andrew Laeuger (Caltech)

11:35 A quantum-limited levitated force and recoil sensor: minimum-uncertainty nanoparticle states and sub-zero-point recoil detection - Massimiliano Rossi (TU Delft)
12:15 Lunch
Lunch
12:15 - 13:30
13:30 Levitated Sensors: II
II
13:30 - 14:50
Contributions

13:30 Low-noise levitated oscillators and calorimetry with levitated superconductors: chip-based magnetic traps and single nuclear-decay energy measurement - Thomas Penny (Chalmers)

14:10 Magnetomechanics and levitation: laser-free Paul-trapped micromagnets coupled to superconducting circuits for quantum state preparation - Mathieu Juan (Université de Sherbrooke)
14:50 Coffee Break
Coffee Break
14:50 - 15:05
15:05 Quantum Measurement, Gravity & Dark Matter: Tethered Sensors & Particle Detection
Tethered Sensors & Particle Detection
15:05 - 15:45
Contributions

15:05 The Invisible Drummer: membrane optomechanical accelerometer search for ultralight dark photon dark matter, and the transition to phase II - Dalziel Wilson (Arizona)
15:45 Working Session: Free Discussion
Free Discussion
15:45 - 17:00

19:00 Dinner - The Merchant Tap House
Dinner - The Merchant Tap House
19:00 - 21:00
Friday, 25 September 2026

08:00 Breakfast
Breakfast
08:00 - 09:00
09:00 Quantum Optomechanics & Particle Sensors
09:00 - 10:20
Contributions

09:00 Quantum Invisible Particle Sensor (QuIPS): recoil reconstruction of nuclear decays in a trapped nanosphere for sterile-neutrino searches - Daniel Kodroff (Lawrence Berkeley National Lab)

09:40 Thermal-limited motion and optomechanical control of a levitated superfluid drop - Jack Harris (Yale)
10:20 Coffee Break
Coffee Break
10:20 - 10:35
10:35 Working Session: Working Groups
Working Groups
10:35 - 12:30
Contributions

10:35 Working groups: - Daniel Carney (Berkeley National Lab)

10:50 Breakout Groups

11:50 Report Back
12:30 Overview: Closing
Closing
12:30 - 12:45
Contributions

12:30 Conference Closing - Kyle Leach (Queen's University)
12:45 Lunch
Lunch
12:45 - 13:30