Join Assistant Professor Thomas E. Roth of Purdue University on Thursday, September 14th from 10:00 – 11:00 am in 260 Dreese Laboratories for a talk about, “High-Fidelity Numerical Modeling Methods for Designing Superconducting Circuit Quantum Information Technologies”.
Superconducting circuit devices are one of the most mature hardware platforms for developing quantum information technologies, but significant engineering advances are needed for them to reach their revolutionary potential in many applications. As these devices become increasingly sophisticated, high-fidelity numerical modeling methods are becoming vital tools to continue improving system performance. In this talk, participants will first be introduced to the details of a novel field-based description of superconducting circuit quantum devices useful for developing such high-fidelity numerical models. They will then be shown how to use this approach to compute the spontaneous emission rate of superconducting qubits and how this formalism can be used to integrate domain decomposition concepts with numerical mode decomposition methods to more intuitively and efficiently analyze complex devices. Finally, discussion on self-consistent semiclassical modeling approaches for superconducting circuit quantum devices that treat microwave fields classically and qubits quantum mechanically and show how these methods can efficiently characterize the fidelity of state control and readout of transmon and fluxonium qubits.
