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Superconducting quantum control multiplexing microwave device and superconducting quantum test system

A technology of superconducting quantum and microwave devices, applied in the field of quantum computing, to achieve the effects of preventing interference, low heat consumption, and small size

Active Publication Date: 2022-04-22
TSINGHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] As the number of superconducting qubits increases, the number of microwave control lines will increase proportionally, which will place a large burden on the refrigerator

Method used

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  • Superconducting quantum control multiplexing microwave device and superconducting quantum test system
  • Superconducting quantum control multiplexing microwave device and superconducting quantum test system
  • Superconducting quantum control multiplexing microwave device and superconducting quantum test system

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Embodiment Construction

[0027] In order to make the purpose, technical solution and advantages of the application clearer, the embodiments of the application will be described in detail below in conjunction with the accompanying drawings. It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined arbitrarily with each other.

[0028] Based on the use of microwave control lines in the related art, the inventor of the present application proposes that if the microwave control lines can be multiplexed, the number of microwave control lines will be greatly reduced, thereby reducing heat consumption and reducing the load on the refrigerator .

[0029] The embodiment of the present application provides a superconducting quantum control multiplexing microwave device, which is a chip-level device with small volume and low heat consumption, and can be integrated with superconducting circuits. The superconducting quantum ...

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Abstract

This application discloses a superconducting quantum control multiplexing microwave device and a superconducting quantum test system. The superconducting quantum control multiplexing microwave device is a chip-level device with small volume, low heat consumption, and can be integrated with superconducting circuits. At the same time, only a few microwave control lines are needed to realize the transmission of large-scale quantum signals, which greatly reduces the number of microwave control lines, and prevents interference between quantum signals, which is especially conducive to the scale-up of superconducting quantum computing circuits. develop.

Description

technical field [0001] This application relates to but not limited to the technical field of quantum computing, especially a superconducting quantum control multiplexing microwave device and a superconducting quantum testing system. Background technique [0002] figure 1 It is a schematic diagram of the use of microwave control lines in the superconducting quantum test system in the related art, such as figure 1 As shown, judging from the arrangement of microwave control lines in the current superconducting quantum test system, the number of microwave control lines is extremely large and occupies a large space. In actual use scenarios, the microwave control line needs to cool down from room temperature to low temperature during the process from room temperature to quantum chip, which requires extremely high cooling capacity of the refrigerator and a heavy load. [0003] As the number of superconducting qubits increases, the number of microwave control lines will increase p...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01P1/00H01P1/20H01P1/36G01D21/00
CPCH01P1/00H01P1/36H01P1/20G01D21/00
Inventor 黄汝田耿霄何楷泳戴根婷赵昌昊刘建设陈炜
Owner TSINGHUA UNIV