Thursday, May 28, 2026, 12:00 pm — Videoconference / Virtual Event (see link below)
Parametric driving has long been used in very low-quality factors, weakly nonlinear superconducting circuits to create nearly quantum-limited 'parametric' amplifiers, which are in wide use for the readout of superconducting qubits. However, the off-resonant terms we can activate with parametric driving are ubiquitous in Josephson-junction based circuits and are increasingly used for a variety of gates and other controls in superconducting quantum information processors. In this talk, I'll focus on an important outstanding issue, which is our ability to explain and predict how hard we can parametrically drive our circuits before they break. I'll show recent results on matching theory and experiment on transmon qubits as parametric couplers and discuss the prospects for extending this work to more complicated couplers and gates. Starts at 12:00 p.m. ET/9:00 a.m. PT.
Hosted by: Kai-Mei Fu - C2QA Deputy Director, University of Washington
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