August 9, 2022

Chinese team designs a 62-qubit quantum processor

Chinese team designs a 62-qubit quantum processor Chinese team designs 62-qubit quantum processor with world's largest number of superconducting qubits (Weibo)

A Chinese research team from the University of Science and Technology of China (USTC) has successfully designed a 62-qubit programmable superconducting quantum processor, naming it Zu Chongzhi after the noted 5th century Chinese mathematician and astronomer. The computer contains the largest number of superconducting qubits so far in the world, and achieved two-dimensional programmable quantum walks on the system, a major milestone in the field.

The team designed and produced an 8×8 two-dimensional square superconducting qubit array composed of 62 functional qubits in the study, and used this device to demonstrate high fidelity single and two particle quantum walks, according to the team.

The two-dimensional programmable quantum walks based on quantum computing have potential applications in quantum search algorithms, general quantum computing and other fields, and will be an important direction of subsequent development.

The paper has been published in Science.

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