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Fast robust two-qubit gate operation with low susceptibility to crosstalk arethe key to scalable quantum information processing. Parametrically driven gateis inherently insensitive to crosstalk while superadiabatic control can speedup the gate without losing accuracy. We propose and experimentally implementsuperadiabatic two-qubit gates using parametric modulation on superconductingquantum circuits. Our results demonstrate the preservation of adiabaticity at agate speed close to the quantum limit, in addition to robustness againstcontrol instability. We demonstrate a CZ gate with error rate of 5.8$\%$,limited largely by qubit decoherence, promising future improvement and scalableimplementation.

Realization of Superadiabatic Two-qubit Gates Using Parametric Modulation in Superconducting Circuits