Patent US10963125
Inventor

Visualization tool for interacting with a quantum computing program
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US10963125

1. One or more computing devices for facilitating interaction with a quantum computer program, comprising: hardware logic circuitry, the hardware logic circuitry including:(a) one or more hardware processors that perform operations by executing machine-readable instructions stored in a memory, and/or (b) one or more other hardware logic components that perform operations using a task-specific collection of logic gates, theoperations including: receiving qubit state information from a quantum system emulator, the quantum system emulator executing a quantum computer program, and the qubit state information describing one or more states of one or more respective qubits at aspecified analysis point in the quantum computer program (8) (2)

generating a three-dimensional graphical depiction that provides a visualization of the qubit state information, the three-dimensional graphical depiction including at least one graphical controlelement that allows a user to interact with the three-dimensional graphical depiction

and displaying the three-dimensional graphical depiction on a display device.

2. The one or more computing devices of claim 1, wherein said receiving comprises receiving the qubit state information from the quantum system emulator via an information transfer system. (0)

3. The one or more computing devices of claim 1, wherein the display device corresponds to a display device of a head mounted display that provides a mixed reality experience. (0)

4. The one or more computing devices of claim 1, wherein the display device corresponds to a two-dimensional display monitor. (0)

5. The one or more computing devices of claim 1, wherein the three-dimensional graphical depiction provides a three-dimensional representation of a Bloch sphere for a single qubit. (0)

6. The one or more computing devices of claim 1, wherein the three-dimensional graphical depiction provides plural three-dimensional representations of plural respective Bloch spheres, associated with plural respective qubits that are notentangled. (0)

7. The one or more computing devices of claim 1, wherein the three-dimensional graphical depiction provides a three-dimensional representation of a bar chart that includes a central axis and plural bar portions which protrude from the centralaxis, wherein the bar portions are associated with respective basis vectors of an n-qubit state, wherein each basis vector of the n-qubit state is associated with a probability amplitude, wherein each bar portion has a length that is based on an absolutevalue of a probability amplitude associated with the bar portion, and wherein each bar portion has a direction that is based on a phase value of the probability amplitude associated with the bar portion. (1) (0)

9. The one or more computing devices of claim 1, wherein said at least one graphical control element includes one or more graphical control buttons associated with respective one or more quantum gates. (0)

10. The one or more computing devices of claim 1, wherein the operations further comprise: receiving input information from one or more input devices that captures interaction by the user with said at least one graphical control elementassociated with the three-dimensional graphical depiction (3) (2)

determining, based on the input information, an input command that a user has made that specifies a modification to be applied to a state of at least one qubit

and sending a modificationrequest to the quantum system emulator, the modification request instructing the quantum system emulator to carry out the modification to the state of said at least one qubit.

11. The one or more computing devices of claim 10, wherein the three-dimensional graphical depiction provides a three-dimensional representation of a Bloch sphere, wherein said at least one graphical control element includes a graphical controlelement that is associated with the Bloch sphere, which allows interaction by the user with the Bloch sphere, wherein the qubit state corresponds to a point on a surface of the Bloch sphere, wherein the point on the surface of the Bloch sphere has aposition determined by: a first angle with respect to a first axis of the three-dimensional graphical depiction (0) (1)

12. The one or more computing devices of claim 10, wherein said at least one graphical control element includes one or more graphical control buttons associated with respective one or more quantum gates, and wherein the input command specifiesa request by the user to activate one of said one or more graphical control buttons. (0)

13. The one or more computing devices of claim 10, wherein said one or more input devices are associated with a head mounted display, and include: a gaze-tracking system (0) (4)

and/or one or more video cameras

and/or one or more depth camerasystems

and/or one or more microphones in conjunction with a voice recognition system

and/or a controller interface system which detects interaction by the user with one or more handheld and/or body-worn controllers.

14. A method, implemented by one or more computing devices, for facilitating interaction with a quantum computer program, comprising: receiving qubit state information from a quantum system emulator, the quantum system emulator executing aquantum computer program, and the qubit state information describing one or more states of one or more respective qubits at a specified analysis point in the quantum computer program (5) (5)

generating a three-dimensional graphical depiction that provides avisualization of the qubit state information

displaying the three-dimensional graphical depiction on a display device

receiving input information from one or more input devices that captures interaction by the user with at least one graphical controlelement associated with the three-dimensional graphical depiction

determining, based on the input information, an input command that a user has made that specifies a modification to be applied to a state of at least one qubit

and sending amodification request to the quantum system emulator, the modification request instructing the quantum system emulator to carry out the modification to the state of said at least one qubit.

15. The method of claim 14, wherein the display device corresponds to a display device of a head mounted display device that provides a mixed reality experience. (0)

16. The method of claim 14, wherein the display device corresponds to a two-dimensional display monitor. (0)

17. The method of claim 14, wherein the three-dimensional graphical depiction provides a three-dimensional representation of a Bloch sphere, wherein said at least one graphical control element includes a graphical control element that isassociated with the Bloch sphere, which allows interaction by the user with the Bloch sphere, wherein a qubit state corresponds to a point on a surface of the Bloch sphere, wherein the point on the surface of the Bloch sphere has a position determinedby: a first angle with respect to a first axis of the three-dimensional graphical depiction (0) (1)

18. The method of claim 14, wherein said at least one graphical control element includes one or more graphical control buttons associated with respective one or more quantum gates, wherein the input command specifies a request by the user toactivate one of said one or more graphical control buttons. (0)

19. The method of claim 14, wherein the three-dimensional graphical depiction provides a three-dimensional representation of a bar chart that includes a central axis and plural bar portions which protrude from the central axis, wherein the barportions are associated with respective basis vectors of an n-qubit state, wherein each basis vector of the n-qubit state is associated with a probability amplitude, wherein each bar portion has a length that is based on an absolute value of aprobability amplitude associated with the bar portion, and wherein each bar portion has a direction that is based on a phase value of the probability amplitude associated with the bar portion. (0)

20. A computer-readable hardware storage medium for storing computer-readable instructions, the computer-readable instructions, when executed by one or more hardware processors, performing a method that comprises: receiving qubit stateinformation from a quantum system emulator, the quantum system emulator executing a quantum computer program, and the qubit state information describing one or more states of one or more respective qubits at a specified analysis point in the quantumcomputer program (0) (3)

generating a three-dimensional graphical depiction that provides a visualization of the qubit state information

and displaying the three-dimensional graphical depiction on a display device, the three-dimensional graphical depictioncorresponding to a depiction selected from among: a first display presentation that includes one or more three-dimensional representations of one or more respective Bloch spheres, associated with one or more respective qubits

and a second displaypresentation that includes a three-dimensional representation of a bar chart that conveys information regarding probability amplitudes associated with an n-qubit state, the method providing the first display presentation and/or the second displaypresentation for a case in which a set of qubits under consideration are not entangled, and providing the second display presentation for the case in which the set of qubits under consideration are entangled.

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Patent US10963125 Inventor

Visualization tool for interacting with a quantum computing program

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Patent US10963125
Inventor