Parametrically driving the coupler at the sum frequency of two fluxonium plasmon transitions activates a bSWAP interaction, enabling sub-100ns CZ gates with intrinsic error below 10^-4.
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Fast entangling gates on fluxoniums via parametric modulation of plasmon interaction
Parametrically driving the coupler at the sum frequency of two fluxonium plasmon transitions activates a bSWAP interaction, enabling sub-100ns CZ gates with intrinsic error below 10^-4.