The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Dec. 17, 2024

Filed:

Oct. 07, 2022
Applicant:

Amazon Technologies, Inc., Seattle, WA (US);

Inventors:

Christopher Chamberland, Pasadena, CA (US);

Fernando Brandao, Pasadena, CA (US);

Earl Campbell, Cambridge, GB;

Assignee:

Amazon Technologies, Inc., Seattle, WA (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G06F 30/3308 (2020.01); G06F 8/20 (2018.01); G06N 10/00 (2022.01); G06F 111/10 (2020.01); G06F 119/02 (2020.01);
U.S. Cl.
CPC ...
G06F 30/3308 (2020.01); G06F 8/20 (2013.01); G06N 10/00 (2019.01); G06F 2111/10 (2020.01); G06F 2119/02 (2020.01);
Abstract

A Toffoli magic state to be injected in preparation of a Toffoli gate may be prepared using a bottom-up approach. In the bottom-up approach, computational basis states are prepared in a fault tolerant manner using a STOP algorithm. The computational basis states are further used to prepare the Toffoli magic state. The STOP algorithm tracks syndrome outcomes and can be used to determine when to stop repeating syndrome measurements such that faults are guaranteed to be below a threshold level. Also, the STOP algorithm may be used in growing repetition code from a first code distance to a second code distance, such as for use in the computational basis states.


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