A DC-voltage-biased Josephson junction circuit is proposed to deliver larger two-to-one photon exchange rates for cat-qubit stabilization while suppressing resonant Kerr and cross-Kerr terms via dynamical averaging.
If an exponentially stable behavior is found at this order, then (for sufficiently small ε) it will dominate and persist in the full dynamics
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A cat qubit stabilization scheme using a voltage biased Josephson junction
A DC-voltage-biased Josephson junction circuit is proposed to deliver larger two-to-one photon exchange rates for cat-qubit stabilization while suppressing resonant Kerr and cross-Kerr terms via dynamical averaging.