Optimization of Two-Qubit Gates in Tunable-Coupler Architectures Using Single Flux Quantum Control

Boyan Torosov, Bohdan Kulchytskyy, Florian Hopfmueller +3

We present a gradient-based method to construct high-fidelity, two-qubit quantum gates in a system consisting of two transmon qubits coupled via a tunable coupler. In particular, w…