Bryan K Eastin

US Patent:

20150115998, Apr 30, 2015

Filed:

Dec 29, 2014

Appl. No.:

14/584693

Inventors:

BRYAN K. EASTIN - Lafayette CO, US

Assignee:

NORTHROP GRUMMAN SYSTEMS CORPORATION - Falls Church VA

International Classification:

H03K 19/195
G06N 99/00

US Classification:

326 7

Abstract:

Systems and methods are provided for generating at least one high fidelity resource state. A classical code and punctured to provide a first set of generators and a second set of generators. The first set of generators is mapped to a set of stabilizer generators, and the second set of generators is mapped to a set of logical operators. A set of resource states are prepared in physical qubits. A decoding process is performed on the resource states according to a quantum code represented by the set of stabilizer generators and the set of logical operators, and qubits corresponding to the stabilizers are measured.

US Patent:

20140118023, May 1, 2014

Filed:

Feb 12, 2013

Appl. No.:

13/765332

Inventors:

Bryan K. Eastin - Lafayette CO, US

International Classification:

H03K 19/195

US Classification:

326 7

Abstract:

Systems and methods are provided for generating at least one high fidelity resource state. A classical code and punctured to provide a first set of generators and a second set of generators. The first set of generators is mapped to a set of stabilizer generators, and the second set of generators is mapped to a set of logical operators. A set of resource states are prepared in physical qubits. A decoding process is performed on the resource states according to a quantum code represented by the set of stabilizer generators and the set of logical operators, and qubits corresponding to the stabilizers are measured.

US Patent:

20140118024, May 1, 2014

Filed:

Feb 12, 2013

Appl. No.:

13/765377

Inventors:

BRYAN K. EASTIN - Lafayette CO, US

International Classification:

G06N 99/00

US Classification:

326 7, 977933

Abstract:

Systems and methods are provided for generating a high-fidelity Toffoli state from a plurality of low-fidelity single qubit magic states. First and second qubits are prepared in a high-fidelity initial state. N target qubits are prepared in the single qubit magic state. A series of gates are performed on the qubits, such that the system is in a state |000. . . 0+|010. . . 0+||100. . . 0+|111. . . 1. A parity check is performed on the N target qubits. The parity check provides at least a first measurement value. The first qubit, the second qubit, and the first target qubit are accepted as the Toffoli state if the measurement values assume the desired values.