IP Library › Granted Patent US 12,288,129
Granted Patent B2
US 12,288,129 · App. 17/510,547 · Granted Apr 29, 2025

System and method using multiple entangled linear qubit arrays for quantum computing

Inventor: Peter Carl Hendrickson (Reston, VA)
G06N10/00G06N10/20G06N10/40
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Quick Facts
Patent No.
US 12,288,129
App. No.
17/510,547
Granted
Apr 29, 2025
Kind
B2
Abstract

A quantum computing (QC) system includes a plurality of qubits arranged in a plurality of substantially linear regions having longitudinal axes that are substantially parallel to one another. At least some of the substantially linear regions include two or more qubits and one or more qubits of each substantially linear region are configured to interact with one or more qubits of at least one other substantially linear region.

Claims (47)

1. A quantum computing (QC) system comprising:

a plurality of qubits arranged in a plurality of substantially linear regions having longitudinal axes that are substantially parallel to one another,

at least some of the substantially linear regions comprising two or more qubits, and

one or more qubits of at least one substantially linear region simultaneously entangled with two or more qubits of at least one or more other substantially linear regions, so as to define a multi-qubit quantum gate.

2. The QC system of claim 1 , wherein the plurality of substantially linear regions comprises:

a central substantially linear region having a central longitudinal axis along which central qubits of the central substantially linear region are arranged; and

at least one outer substantially linear region having a corresponding outer longitudinal axis along which outer qubits of the at least one outer substantially linear region are arranged.

3. The QC system of claim 2 , wherein the at least one outer substantially linear region comprises at least two outer substantially linear regions each having a corresponding outer longitudinal axis along which the outer qubits of the outer substantially linear region are arranged, wherein the central longitudinal axis is spaced from and substantially parallel to each of the outer longitudinal axes, with each of the outer longitudinal axes at a different azimuthal position about the central longitudinal axis.

4. The QC system of claim 3 , wherein the at least two outer substantially linear regions comprise two outer substantially linear regions with two corresponding outer longitudinal axes at different azimuthal positions about the central longitudinal axis, the outer longitudinal axes separated from one another by approximately 180 degrees.

5. The QC system of claim 3 , wherein the at least two outer substantially linear regions comprise three outer substantially linear regions with three corresponding outer longitudinal axes at different azimuthal positions about the central longitudinal axis, the outer longitudinal axes separated from one another by approximately 120 degrees.

6. The QC system of claim 3 , wherein the at least two outer substantially linear regions comprise four outer substantially linear regions with four corresponding outer longitudinal axes at different azimuthal positions about the central longitudinal axis, the outer longitudinal axes separated from one another by approximately 90 degrees or approximately 180 degrees.

7. The QC system of claim 3 , wherein the at least two outer substantially linear regions comprise five outer substantially linear regions with five corresponding outer longitudinal axes at different azimuthal positions about the central longitudinal axis, the outer longitudinal axes separated from one another by approximately 72 degrees or approximately 144 degrees.

8. The QC system of claim 3 , wherein the at least two outer substantially linear regions comprise six outer substantially linear regions with six corresponding outer longitudinal axes at different azimuthal positions about the central longitudinal axis, the outer longitudinal axes separated from one another by approximately 60 degrees, approximately 120 degrees, or approximately 180 degrees.

9. The QC system of claim 1 , wherein the plurality of substantially linear regions comprises one substantially linear region having qubits arranged along one longitudinal axis and another substantially linear region having qubits arranged along another longitudinal axis, the QC system further comprising first and second substantially linear surface traps, wherein the qubits of the one substantially linear region are within one trapping region comprising a primary electropotential trapping region generated by the first substantially linear surface trap and an overlapping serendipitous electropotential trapping region generated by the second substantially linear surface trap, and the qubits of the other substantially linear region are within another trapping region comprising a primary electropotential trapping region generated by the second substantially linear surface trap and an overlapping serendipitous electropotential trapping region generated by the first substantially linear surface trap.

10. The QC system of claim 1 , wherein the plurality of qubits comprises a central substantially linear chain of qubits and at least two outer substantially linear chain of qubits.

11. The QC system of claim 10 , further comprising a first substantially linear surface trap, wherein one of the at least two outer substantially linear chains of qubits is within a primary electropotential trapping region generated by the first substantially linear surface trap and the central substantially linear chain of qubits is within a serendipitous electropotential trapping region generated at least in part by the first substantially linear surface trap.

12. The QC system of claim 11 , further comprising a second substantially linear surface trap, wherein another of the at least two outer substantially linear chains of qubits is within a primary electropotential trapping region generated by the second substantially linear surface trap, and the serendipitous electropotential trapping region is generated at least in part by the second substantially linear surface trap.

13. The QC system of claim 1 , wherein the plurality of qubits comprises chains of ions that are confined within substantially linear electropotential wells generated by at least one substantially linear surface traps.

14. The QC system of claim 13 , wherein the ions comprise Ba + ; Be + ; Cd + ; Ca + ; Mg + ; Hg + ; Sr + ; or Yb + .

15. The QC system of claim 1 , further comprising three or more substantially linear surface traps substantially parallel to one another and configured to generate electropotential wells configured to contain the plurality of qubits in the plurality of substantially linear regions.

16. The QC system of claim 1 , wherein the plurality of substantially linear regions comprises a central trapping region comprising a central chain of qubits along a central longitudinal axis and at least two outer trapping regions each comprising a corresponding outer chain of qubits along a corresponding outer longitudinal axis, the central chain of qubits comprising two or more qubits configured to interact with one another and with one or more qubits of at least one of the outer chains of qubits, each outer chain of qubits comprising two or more qubits configured to interact with one another and with one or more qubits of the central chain of qubits.

17. The QC system of claim 16 , wherein the at least two outer trapping regions comprise three, four, five, or six trapping regions adjacent to the central trapping region and having outer longitudinal axes that are substantially parallel to one another and to the central longitudinal axis of the central trapping region.

18. The QC system of claim 16 , wherein the plurality of qubits form C 6 NOT gates arranged along the central longitudinal axis.

19. The QC system of claim 16 , wherein the plurality of qubits form C 2n NOT gates arranged along the central longitudinal axis, where n is a positive integer greater than or equal to 2.

20. A quantum computing (QC) system comprising:

a plurality of qubits arranged in a plurality of substantially linear regions having longitudinal axes that are substantially parallel to one another, at least some of the substantially linear regions comprising two or more qubits and one or more qubits of each substantially linear region configured to interact with one or more qubits of at least one other substantially linear region;

a central substantially linear region having a central longitudinal axis along which central qubits of the central linear region are arranged; and

at least one outer substantially linear region having a corresponding outer longitudinal axis along which outer qubits of the at least one outer substantially linear region are arranged, the at least one outer substantially linear region comprising at least two outer substantially linear regions each having a corresponding outer longitudinal axis along which the outer qubits of the outer substantially linear region are arranged, the central longitudinal axis spaced from and substantially parallel to each of the outer longitudinal axes, with each of the outer longitudinal axes located at a different azimuthal position about the central longitudinal axis.

21. A quantum computing (QC) system comprising:

a central substantially linear region having a central longitudinal axis;

at least two outer substantially linear regions each having a corresponding outer longitudinal axis, the central longitudinal axis spaced from and substantially parallel to each of the outer longitudinal axes, with each corresponding outer longitudinal axis located at a different azimuthal position about the central longitudinal axis; and

a plurality of qubits each arranged in (a) the central substantially linear region or (b) one of the at least two outer substantially linear regions, such that two or more of the plurality of qubits each in two or more of (a) the central substantially linear region or (b) one of the at least two outer substantially linear regions interact, so as to define a quantum gate.

22. The QC system of claim 21 , wherein the at least two outer substantially linear regions comprise six outer substantially linear regions with six corresponding outer longitudinal axes located at different azimuthal positions about the central longitudinal axis, the outer longitudinal axes separated from one another by approximately 60 degrees, approximately 120 degrees, or approximately 180 degrees.

23. The QC system of claim 1 , wherein the one or more qubits of each substantially linear region entangled with one or more qubits of at least one other substantially linear region collectively define a 3-D lattice structure.

24. A quantum computing (QC) system comprising:

a plurality of qubits arranged in a plurality of substantially linear regions having longitudinal axes that are substantially parallel to one another,

at least some of the substantially linear regions comprising two or more qubits, and

one or more qubits of each substantially linear region entangled with (a) two or more qubits from one or more of at least one other substantially linear region or (b) one or more qubits of an overlapping serendipitous electropotential trapping region generated by each substantially linear region and the at least one other substantially linear region, so as to define a quantum gate.

25. The QC system of claim 24 , wherein the plurality of substantially linear regions comprises:

a central substantially linear region having a central longitudinal axis along which central qubits of the central substantially linear region are arranged; and

at least one outer substantially linear region having a corresponding outer longitudinal axis along which outer qubits of the at least one outer substantially linear region are arranged.

26. The QC system of claim 25 , wherein the at least one outer substantially linear region comprises at least two outer substantially linear regions each having a corresponding outer longitudinal axis along which the outer qubits of the outer substantially linear region are arranged, wherein the central longitudinal axis is spaced from and substantially parallel to each of the outer longitudinal axes, with each of the outer longitudinal axes at a different azimuthal position about the central longitudinal axis.

27. The QC system of claim 26 , wherein the at least two outer substantially linear regions comprise two outer substantially linear regions with two corresponding outer longitudinal axes, three outer substantially linear regions with three corresponding outer longitudinal axes, four outer substantially linear regions with four corresponding outer longitudinal axes, five outer substantially linear regions with five corresponding outer longitudinal axes, or six outer substantially linear regions with six corresponding outer longitudinal axes at different azimuthal positions about the central longitudinal axis, and wherein the outer longitudinal axes separated from one another by approximately 60 degrees, approximately 72 degrees, approximately 90 degrees, approximately 120 degrees, approximately 144 degrees, or approximately 180 degrees.

28. The QC system of claim 24 , wherein the plurality of qubits comprises chains of ions that are confined within substantially linear electropotential wells generated by at least one substantially linear surface traps.

29. The QC system of claim 28 , wherein the ions comprise Ba + ; Be + ; Cd + ; Ca + ; Mg + ; Hg + ; Sr + ; or Yb + .

30. The QC system of claim 24 , wherein the plurality of substantially linear regions comprises a central trapping region comprising a central chain of qubits along a central longitudinal axis and at least two outer trapping regions each comprising a corresponding outer chain of qubits along a corresponding outer longitudinal axis, the central chain of qubits comprising two or more qubits configured to interact with one another and with one or more qubits of at least one of the outer chains of qubits, each outer chain of qubits comprising two or more qubits configured to interact with one another and with one or more qubits of the central chain of qubits.

31. The QC system of claim 30 , wherein the plurality of qubits form C 2n NOT gates arranged along the central longitudinal axis, where n is a positive integer greater than or equal to 2.

Assignments (3)
MERGER Recorded Jul 12, 2023
From: CENTAURI, LLC
To: KBR WYLE SERVICES, LLC
Reel/Frame 064228/0437 →
MERGER Recorded Sep 15, 2022
From: CENTAURI, LLC
To: KBR WYLE SERVICES, LLC
Reel/Frame 061110/0951 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Oct 26, 2021
From: HENDRICKSON, PETER C
To: CENTAURI, LLC
Reel/Frame 057912/0215 →
Continuity (5)
Continuation In Part 17090747 · Nov 5, 2020
Provisional Application 63186037 · May 7, 2021
Provisional Application 62933148 · Nov 8, 2019
Related Publication 20220366287A1 · Nov 17, 2022
Related Publication 20230385667A9 · Nov 30, 2023
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