Superconducting circuit including superconducting qubits

US11489101B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-11489101-B2
Application numberUS-202016880270-A
CountryUS
Kind codeB2
Filing dateMay 21, 2020
Priority dateJun 6, 2019
Publication dateNov 1, 2022
Grant dateNov 1, 2022

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  1. Title

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  2. Abstract

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  3. Assignees and inventors

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  4. Key dates

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  5. First independent claim

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  6. CPC / IPC classifications

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  7. Citations and related patents

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Abstract

Official abstract text for this publication.

The present disclosure discloses a device and a method for fabricating a superconducting circuit including a superconducting qubit. The superconducting circuit comprises a bottom electrode interconnecting a superconducting qubit and a first part of the superconducting circuit. The bottom electrode comprises a bottom electrode of the superconducting qubit and a bottom electrode of the first part of the superconducting circuit. The bottom electrode of the superconducting qubit and the bottom electrode of the first part of the superconducting circuit are formed in a first superconducting layer.

First claim

Opening claim text (preview).

The invention claimed is: 1. A superconducting circuit comprising: a bottom electrode interconnecting a superconducting qubit and a first part of the superconducting circuit, the bottom electrode comprising: a bottom electrode of the superconducting qubit; and a bottom electrode of the first part of the superconducting circuit, wherein the bottom electrode of the first part of the superconducting circuit is integrally formed with the bottom electrode of the superconducting circuit. 2. The superconducting circuit according to claim 1 , further comprising a top electrode interconnecting the superconducting qubit and a second part of the superconducting circuit, the top electrode comprising: a top electrode of the superconducting qubit; and a top electrode of the second part of the superconducting circuit. 3. The superconducting circuit according to claim 1 , wherein the bottom electrode of the superconducting qubit and the bottom electrode of the first part of the superconducting circuit are formed in a first superconducting layer. 4. The superconducting circuit according to claim 3 , wherein the top electrode of the superconducting qubit and the top electrode of the second part of the superconducting circuit are formed in a second superconducting layer. 5. The superconducting circuit according to claim 4 , wherein the first superconducting layer or the second superconducting layer comprises a metal layer or a superconducting compound layer. 6. The superconducting circuit according to claim 5 , wherein the metal layer or the superconducting compound layer includes at least one of the following: aluminum, niobium, niobium nitride, or titanium nitride. 7. The superconducting circuit according to claim 2 , wherein an insulation layer is provided on an overlapped area between the bottom electrode and the top electrode.

Assignees

Inventors

Classifications

  • H01L39/025Primary

    Electricity · mapped topic

  • Electricity · mapped topic

  • Electricity · mapped topic

  • Physical realisations or architectures of quantum processors or components for manipulating qubits, e.g. qubit coupling or qubit control · CPC title

  • Integrated devices, or assemblies of multiple devices, comprising at least one superconducting element covered by group H10N60/00 · CPC title

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Frequently asked questions

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What does patent US11489101B2 cover?
The present disclosure discloses a device and a method for fabricating a superconducting circuit including a superconducting qubit. The superconducting circuit comprises a bottom electrode interconnecting a superconducting qubit and a first part of the superconducting circuit. The bottom electrode comprises a bottom electrode of the superconducting qubit and a bottom electrode of the first part…
Who is the assignee on this patent?
Alibaba Group Holding Ltd
What technology area does this patent fall under?
Primary CPC classification H01L39/025. Mapped technology areas include Electricity.
When was this patent published?
Publication date Tue Nov 01 2022 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 5 related publications on this page (citations in our corpus or others sharing the same primary CPC).