Measurement system, method and device and equipment

Abstract

The embodiment of the invention provides a measurement system, method and device and equipment. The system comprises: a superconducting circuit located in a preset environment and used for generating superconducting quantum bits; and a control circuit electrically connected with the superconducting circuit, wherein the control circuit is used for acquiring initial environment information corresponding to the superconducting quantum bits, determining first environment information corresponding to the superconducting quantum bit under a preset condition that the quantum energy level of the superconducting quantum bit is a first preset energy level, determining second environment information corresponding to the superconducting quantum bit under the preset condition that the quantum energy level of the superconducting quantum bit is a second preset energy level, determining effective environment information based on the first environment information and the second environment information; and, according to the effective environment information and the initial environment information, determining associated information of any order. According to the technical scheme provided by the embodiment of the invention, the associated information of any order can be accurately and effectively determined, and then the environmental noise can be analyzed and identified based on the associated information of any order.

Description

technical field [0001] The invention relates to the technical field of data processing, in particular to a measurement system, method, device and equipment. Background technique [0002] A superconducting qubit is an artificial controllable two-level system based on a superconducting circuit, and is the basic unit for quantum computing. The superconducting circuit can refer to a circuit based on superconducting materials. In the process of quantum computing, the long-term coherence of superconducting qubits is the basis of quantum computing. However, the presence of environmental noise can cause decoherence of superconducting qubits. Therefore, in order to understand the relevant information of environmental noise more clearly, it is necessary to measure the correlation of any order of environmental noise. Contents of the invention [0003] Embodiments of the present invention provide a measurement system, method, device and equipment, which can quickly and accurately ac...

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Problems solved by technology

However, the presence of ambient noise can cause superconducting qubit decoherence

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