Preliminary Exam |
Events During the Week of September 20th through September 27th, 2026
Monday, September 21st, 2026
- No events scheduled
Tuesday, September 22nd, 2026
- Random-Alloy Disorder Analysis in Si/SiGe Systems
- Time: 2:00 pm - 4:00 pm
- Place: 5310 Chamberlin
- Speaker: Emma Brann, Physics PhD Graduate Student
- Abstract: Si/SiGe heterostructures look promising as a scalable platform for quantum computing, but the degeneracy between the low-lying states in the silicon conduction band currently limits device fidelity. Introducing a small concentration of germanium to the quantum well offers a solution to this "valley splitting problem" by introducing random-alloy disorder. In this work, we examine the influence of this disorder in experimental results, comparing data trends and correlations against simulated and analytical results. We also present a numerical framework designed to reproduce disorder-induced errors using simulated charge stability diagrams.
- Host: Mark Friesen
Wednesday, September 23rd, 2026
- No events scheduled
Thursday, September 24th, 2026
- No events scheduled
Friday, September 25th, 2026
- No events scheduled