Fig. 3: VQF algorithm success rate.
From: Analyzing the performance of variational quantum factoring on a superconducting quantum processor
Success rates for running VQF on the integers (a) 1099551473989 (b) 3127, and (c) 6557 using 3, 4, and 5 qubits, respectively. We compare the results obtained from experiments (red line) to ideal simulation (blue line), simulation containing phase and amplitude damping noise (orange line), and the residual ZZ-coupling (green line). The amplitude damping rate (T1 ≈ 64 μs), dephasing rate (T2 ≈ 82 μs), and residual ZZ-coupling (see Supplementary Material) reflect the values measured on the quantum processor. We observe that our experimental performance is limited by the residual ZZ-coupling present in the quantum processor. The error bars indicate one standard deviation of uncertainty.
