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Filter and quantum chip measurement and control system

A filter and connector technology, applied in the electronic field, can solve problems such as isolation, quantum chip interference, and quantum chip failure

Active Publication Date: 2021-06-29
ALIBABA GRP HLDG LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002]In the quantum chip measurement and control system, it is necessary to establish a measurement and control channel between the external measurement and control instrument and the quantum chip. In this way, the quantum chip cannot be completely isolated from the external environment, and external noise can Reach the quantum chip through the measurement and control channel, and then bring interference to the quantum chip

Method used

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  • Filter and quantum chip measurement and control system
  • Filter and quantum chip measurement and control system
  • Filter and quantum chip measurement and control system

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Embodiment Construction

[0045] In order to make the above objects, features and advantages of the present application more obvious and comprehensible, the present application will be further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0046] Since external noise can reach the quantum chip through the measurement and control channel, and then cause interference to the quantum chip, an electromagnetic absorbing material can be installed in the measurement and control channel, and the electromagnetic absorbing material can absorb external high-frequency noise.

[0047] Some electromagnetic absorbing materials in the prior art are not designed for extreme low temperature conditions, and their thermal conductivity is poor. In the case that the heat will also become the noise of the qubit, some electromagnetic absorbing materials in the prior art cannot export the heat , the thermal conductivity is poor, that is, thermal noise cannot be filt...

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Abstract

The embodiment of the invention provides a filter and a quantum chip measurement and control system. The filter comprises a conductor and a grounding body. A medium filling part is arranged between the conductor and the grounding body; the medium filling part is at least filled with an electromagnetic wave-absorbing material; and the electromagnetic wave-absorbing material at least comprises carbonyl iron powder and a low-temperature polymer. The quantum chip measurement and control system comprises a quantum chip, a measurement and control channel, a filter and a measurement and control instrument. One end of the measurement and control channel is connected with the quantum chip, and the other end is connected with the measurement and control instrument; and the filter is arranged on the measurement and control channel. The filtering effect of the filter can be improved, the volume occupied by the electromagnetic wave-absorbing material can be reduced while the filtering effect is improved, the volume of the filter can be further reduced, and the filter can be suitable for a quantum chip measurement and control system highly sensitive to a magnetic field.

Description

technical field [0001] This application relates to the field of electronic technology, in particular to a filter and quantum chip measurement and control system. Background technique [0002] In the quantum chip measurement and control system, it is necessary to establish a measurement and control channel between the external measurement and control instrument and the quantum chip. In this way, the quantum chip cannot be completely isolated from the external environment, and external noise can reach the quantum chip through the measurement and control channel, thereby causing interference to the quantum chip. [0003] In one manner, an electromagnetic absorbing material may be provided in the measurement and control channel, and the electromagnetic absorption material may absorb high-frequency noise on the measurement and control channel. Contents of the invention [0004] The embodiment of the present application shows a filter and quantum chip measurement and control sys...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01P1/203
CPCH01P1/215H05K9/0083Y02E40/40
Inventor 邓昊
Owner ALIBABA GRP HLDG LTD
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