The Origin Quantum team, in collaboration with the University of Science and Technology of China, has achieved rapid, high-fidelity CZ gates on the "Origin Wukong" superconducting quantum computer.
On August 4, Benyuan Quantum announced that its research team, in collaboration with the University of Science and Technology of China, has made new progress in the control of fast high-fidelity two-qubit quantum gates. The related work, titled Overcoming the Speed-Fidelity Trade-Off in Fast cz Gates via Cyclic Control, was published in the international top physics journal Physical Review Letters. To address the speed-fidelity trade-off caused by short-time waveform distortion in superconducting quantum chips, the team proposed a controlled phase gate scheme with an expanded parameter space, significantly suppressing coherent errors without extending the gate time. This achievement was completed on the "Benyuan Wukong" superconducting quantum computer.
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