Name: Radiation Impacts in Superconducting Qubits 2026 (RISQ26)
Start: 2026-06-15T08:00:00-05:00
End: 2026-06-18T18:00:00-05:00
Location: University of Wisconsin, Madison

Radiation Impacts in Superconducting Qubits 2026 (RISQ26)

from Monday 15 June 2026 (08:00) to Thursday 18 June 2026 (18:00)

Monday 15 June 2026

09:00 TBD
TBD
09:00 - 17:00
Tuesday 16 June 2026
09:00 Kick-Off
Kick-Off
09:00 - 10:15
Contributions

09:00 Kick-Off & Welcome - Britton Plourde

09:15 Plenary Overview - TBD - John Martinis (Qolab)
10:15 Coffee
Coffee
10:15 - 10:45
10:45 Industry
Industry
10:45 - 12:00
Contributions

10:45 Correlated Error Bursts in a Gap-Engineered Superconducting Qubit Array - Alex Opremcak (Google Quantum AI)

11:15 Fast Measurements of the Impacts of Ionizing Radiation on Superconducting Qubits - Bradley Christensen (Northrop Grumman)
12:00 Lunch
Lunch
12:00 - 13:30
13:30 Gap Engineering
Gap Engineering
13:30 - 15:15
Contributions

13:30 Recovery Dynamics of a Gap-Engineered Transmon after a Quasiparticle Burst - Heekun Nho (Yale University)

14:00 Progress at the CLIQUE Facility - Tom McJunkin (Johns Hopkins Applied Physics Laboratory)

14:30 Measuring and modeling the impact of radiation on superconducting qubits protected through gap engineering - Doug Pinckney (MIT)
15:15 Coffee
Coffee
15:15 - 15:45
15:45 Backgrounds
Backgrounds
15:45 - 17:30
Contributions

15:45 TBD - Britton Plourde (University of Wisconsin, Madison)

16:15 TBD - Matt Pyle (University of California, Berkeley)

16:45 Qubit error bursts in superconducting quantum processors of Quantum Inspire: quasiparticle pumping and anomalous time dependence - Marios Samiotis (QuTech & Kavli Institute of Nanoscience, Delft University of Technology)
17:30 Poster Session
Poster Session
17:30 - 19:00
Wednesday 17 June 2026
09:00 Theory Primer
Theory Primer
09:00 - 10:30
Contributions

09:00 TBD

09:30 Effect of quasiparticles on the parameters of a gap-engineered transmon - Leonid I. Glazman (Yale University)

10:00 Correlated Error Bursts in a Gap-Engineered Superconducting Qubit Array - Gabrielle Roberts (Google Quantum AI)
10:30 Coffee
Coffee
10:30 - 11:00
11:00 Spin Qubits - Overlapping Communities
Spin Qubits - Overlapping Communities
11:00 - 12:15
Contributions

11:00 Radiation-induced offset charge jumps in Si/SiGe quantum dot qubits - Mark Eriksson (University of Wisconsin-Madison)

11:30 Investigating Effects of Gamma Radiation on Spin Qubits in HRL SLEDGE Devices - Joshua Lou (University of Maryland)
12:15 Lunch
Lunch
12:15 - 13:45
13:45 Co-located Sensors
Co-located Sensors
13:45 - 15:30
Contributions

13:45 The LLNL Cosmic Sandwich – an experimental and theoretical approach towards understanding non-equilibrium energy deposition in superconducting devices - Yaniv Rosen (LLNL)

14:15 TBD - Ambra Mariani (INFN)

14:45 TBD - Joel Ullom (NIST)
15:30 Coffee
Coffee
15:30 - 16:00
16:00 Chip Response - Calibration & Modeling
Chip Response - Calibration & Modeling
16:00 - 17:45
Contributions

16:00 Radioassay of Materials in Superconducting Qubit Systems and Development of Alpha-Decay Calibration Sources for Radiation Upset Studies - Isaac Arnquist (PNNL)

16:15 Alphas as a Source of Chip-Wide Correlated Errors - Samuel Watkins (Pacific Northwest National Laboratory)

16:30 TBD

17:00 TBD
17:45 Poster Session
Poster Session
17:45 - 19:00
Thursday 18 June 2026
09:00 Chip Response - Event Reconstruction
Chip Response - Event Reconstruction
09:00 - 10:45
Contributions

09:00 G4CMP Workshop Summary

09:30 Response of qubits to particles and thermal phonons - Alberto Ressa (Istituto Nazionale di Fisica Nucleare)

10:00 Particle impact energy reconstruction using transmons - Emanuela Celi (Northwestern University)
10:45 Coffee
Coffee
10:45 - 11:15
11:15 Particle Detection
Particle Detection
11:15 - 13:00
Contributions

11:15 SQUATs - Noah Kurinsky (SLAC)

11:45 TBD

12:30 Close-Out

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