In Person: Michigan Memorial Phoenix Project, 2000PML
Zoom Link: https://umich.zoom.us/j/98980765496

Abstract:
Spin-based quantum sensors are achieving success for room temperature magnetometry and gravimetry and spin systems form the basis for several quantum computation architectures. Spin defects in solids possess a far broader set of potential applications, including for biosensing, quantum transduction and memory. I will describe some general features of spin-coherent centers in wide bandgap hosts (e.g. diamond, silicon carbide, oxides) and the challenges (experimental and theoretical) that must be overcome to produce practical quantum technologies. The main examples will be (1) noise in quantum sensing [1] and its suppression in diamond nanoparticles for biosensing [2], (2) crystal field splittings of rare-earth dopants and implications for quantum memory and transduction (i.e. in oxides and GaN) [3], and (3) hybrid quantum systems involving magnets [4].
[1] PRB 110, 174450 (2024); PRB 110, 024419 (2024).
[2] arXiv:2305.03075
[3] arXiv:2501.03348; arXiv:2501.03353; arXiv:2503.12194
[4] Mater. Quantum Technol. 1, 011001 (2021); PRXQ 2, 040314 (2021); PNAS 121, e2313754120 (2024); arXiv:2411.12870

Bio:
Michael E. Flatté is a professor in the Department of Physics and Astronomy at The University of Iowa (UI). His research interests include optical and electrical control of spin dynamics in materials, novel spintronic devices, quantum sensors, and solid-state realizations of quantum computation. He received the A.B. degree in physics from Harvard University in 1988 and the Ph.D. degree in physics from the University of California, Santa Barbara in 1992 working with Walter Kohn. After postdoctoral work at the KITP at UCSB and at Harvard University, Flatté joined the faculty at UI in 1995. He has over 250 publications and 10 patents. Flatté is a fellow of the American Association for the Advancement of Science and of the American Physical Society (APS) and was a 2022 Distinguished Lecturer for the IEEE Magnetics Society. He also has an adjunct appointment as professor in the Department of Applied Physics at Eindhoven University of Technology in the Netherlands and is Chief Scientist for QuantCAD LLC, a quantum technology startup in Chicago.