Science Advances
Supplementary Materials
This PDF file includes:
- section S1. Derivation of the circuit Hamiltonian
- section S2. Readout and dissipation
- section S3. Two coupled parametric oscillators
- section S4. Robustness to decoherence
- section S5. Quantum trajectory comparison between CVIM and QA
- section S6. Parameter estimates
- section S7. Typical quantum trajectories for the NPP
- fig. S1. Illustration of a superconducting quantum interference device–based KPO
circuit.
- fig. S2. Schematics of a multiply connected circuit with logarithmically extended
tunability.
- fig. S3. Highest part of the eigenspectrum of two coupled parametric oscillators
in
the rotating frame.
- fig. S4. Populations of the seven highest eigenstates as a function of the
normalized ramp rate.
- fig. S5. Stability diagram for the symmetric mode when J > 0.
- fig. S6. Logarithmic negativity of the two-mode Gaussian state during annealing.
- fig. S7. Conditional success probability conditioned on the total number of jumps.
- fig. S8. Conditional success probability conditioned on the total number of jumps
(N = 6) and conditioned on the number of jumps in a given oscillator.
- fig. S9. Effect of dephasing on the discrete qubit QA.
- fig. S10. Ratio of ac amplitudes as a function of c1 = cos(Φdc1 ) .
- fig. S11. Conditional expectation values of the interoscillator phase correlations
for ε=100 .
- fig. S12. Conditional expectation values of the interoscillator phase correlations
for ε=15 .
- fig. S13. Conditional expectation values of the interoscillator phase correlations
for ε=3.
- References (52, 53, 56–61)
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