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1.发明公开公开(公告)号：US20240160971A1
公开(公告)日：2024-05-16
申请号：US18411709
申请日：2024-01-12
Applicant: IonQ, Inc. , University of Maryland, College Park
Inventor： Qingfeng WANG , Ming LI , Yunseong NAM
CPC classification number: G06N10/00 , G06F9/5094 , G06F30/20
Abstract: Aspects of the present disclosure describe a method including predicting a first set of ansatz terms and a first plurality of amplitudes associated with the first set of ansatz terms; minimizing energy of the system based on the first set of ansatz terms and the first plurality of amplitudes; computing perturbative corrections using one or more ansatz wavefunctions; determining whether energy of the system converges; and predicting, in response to determining that the energy of the system does not converge, a second set of ansatz terms and a second plurality of amplitudes associated with the second set of ansatz terms.
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公开(公告)号：US20230334116A1
公开(公告)日：2023-10-19
申请号：US18118252
申请日：2023-03-07
Applicant: IONQ, INC.
Inventor： Reinhold BLUMEL , Yunseong NAM , Andrii MAKSYMOV
Abstract: A method of performing a quantum computation process includes computing first Fourier coefficients of a first pulse function of a first control pulse and second Fourier coefficients of a second pulse function of a second control pulse based on a condition for closure of phase space trajectories and a condition for stabilization of phase-space closure, and computing a first linear combination of the computed first Fourier coefficients and a second linear combination of the computed second Fourier coefficients based on a condition for non-zero degree of entanglement, a condition for stabilization of the degree of entanglement, and a condition for minimized power, applying the first control pulse having the computed first pulse function to a first trapped ion of a pair of trapped ions, and the second control pulse having the computed second pulse function to a second trapped ion of a pair of trapped ions.
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公开(公告)号：US20230059264A1
公开(公告)日：2023-02-23
申请号：US17890864
申请日：2022-08-18
Applicant: IonQ, Inc. , Duke University
Inventor： Jungsang KIM , Jonathan Albert MIZRAHI , Jason Madjdi AMINI , Kenneth WRIGHT , Neal PISENTI , Hermann UYS , Ming LI , Michael Lurie GOLDMAN , Jeremy Matthew SAGE , Kai Makoto HUDEK , Yunseong NAM , Nikodem GRZESIAK , Reinhold BLUMEL
Abstract: The use of multiple ion chains in a single ion trap for quantum information processing (QIP) systems is described. Each chain can have its own set of laser beams with which to implement and operate quantum gates within that chain, where each chain may therefore correspond to a single quantum computing register or core. Operations can be performed in parallel across all of these chains as they can be treated independently from each other. To implement and operate quantum gates between different chains, neighboring chains are merged into a single, larger chain, in which one can perform quantum gates between any of the ions in the larger chain. The combined chains can then be separated again by another shuttling event as needed. To implement and operate quantum gates between ions which do not occupy neighboring chains, swap gates can be used via a sequence of intervening chains.
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公开(公告)号：US20220284335A1
公开(公告)日：2022-09-08
申请号：US17746544
申请日：2022-05-17
Applicant: IONQ, INC.
Inventor： Yunseong NAM , Reinhold BLUMEL , Nikodem GRZESIAK
Abstract: A method of performing a computation using a quantum computer includes generating a plurality of laser pulses used to be individually applied to each of a plurality of trapped ions that are aligned in a first direction, each of the trapped ions having two frequency-separated states defining a qubit, and applying the generated plurality of laser pulses to the plurality of trapped ions to perform simultaneous pair-wise entangling gate operations on the plurality of trapped ions. Generating the plurality of laser pulses includes adjusting an amplitude value and a detuning frequency value of each of the plurality of laser pulses based on values of pair-wise entanglement interaction in the plurality of trapped ions that is to be caused by the plurality of laser pulses.
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公开(公告)号：US20220156628A1
公开(公告)日：2022-05-19
申请号：US17589231
申请日：2022-01-31
Applicant: Duke University , IonQ, Inc.
Inventor： Jungsang KIM , David MOEHRING , Omar SHEHAB , Yunseong NAM , Jonathan MIZRAHI , Stewart ALLEN
Abstract: The disclosure describes various aspects of a software-defined quantum computer. For example, a method is described for generating an intermediate representation of source code for a software-defined quantum computer. The method includes performing a lexical analysis on a high-level intermediate representation of a quantum programming language; performing semantic analysis on an output of the lexical analysis; and generating a mid-level intermediate representation of the quantum programming language based on an output of the semantic analysis.
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Patent Agency Ranking
公开(公告)号：US20230419147A1
公开(公告)日：2023-12-28
申请号：US17982879
申请日：2022-11-08
Applicant: IONQ, INC.
Inventor： Ming LI , Omar SHEHAB , Yunseong NAM
Abstract: A method of performing a computational process using a quantum computer includes measuring a coupling strength of each trapped ion in an ion chain and each motional mode of the ion chain, wherein the trapped ions comprises first trapped ions that are addressable by laser beams, and second trapped ions that are not addressable by laser beams, computing a first map of the first trapped ions to the motional modes, wherein the motional mode comprises first motional modes that are allocated by the first map and second motional modes that are unallocated by the first map, measuring frequencies of the first motional modes, computing a second map of the first trapped ions to the second motional modes, measuring frequencies of the second motional modes, and outputting the measured frequencies of the motional modes, to be used for computing a pulse to be applied to the ion chain.
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公开(公告)号：US20220383179A1
公开(公告)日：2022-12-01
申请号：US17746871
申请日：2022-05-17
Applicant: IONQ, INC.
Inventor： Andrii MAKSYMOV , Jason Hieu Van NGUYEN , Igor Leonidovich MARKOV , Yunseong NAM
Abstract: A method of performing computation using a hybrid quantum-classical computing system including a classical computer, a system controller, and a quantum processor includes identifying a computational problem to be solved and a quantum algorithm to be used to solve the computational problem, detecting one or more faulty two-qubit gates among a plurality of two-qubit gates that can be applied to pairs of qubits in the quantum processor, compiling a computational task to solve the computational problem based on the quantum algorithm into a series of logic gates, including single-qubit gates and two-qubit gates that exclude the detected one or more faulty two-qubit gates, executing the series of logic gates on the quantum processor, measuring one or more of the qubits in the quantum processor, and outputting a solution to the identified computational problem derived from the measured results of the one or more of the qubits in the quantum processor.
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公开(公告)号：US20220206866A1
公开(公告)日：2022-06-30
申请号：US17531520
申请日：2021-11-19
Applicant: IONQ, INC. , University of Maryland
Inventor： Andrii MAKSYMOV , Pradeep NIROULA , Yunseong NAM
Abstract: A method of performing a quantum computation process includes mapping, by a classical computer, logical qubits to physical qubits of a quantum processor so that quantum circuits are executable using the physical qubits of the quantum processor and a total infidelity of the plurality of quantum circuits is minimized, wherein each of the physical qubits comprise a trapped ion, and each of the plurality of quantum circuits comprises single-qubit gates and two-qubit gates within the plurality of the logical qubits, calibrating, by a system controller, two-qubit gates within a first plurality of pairs of physical qubits, such that infidelity of the two-qubit gates within the first plurality of pairs of physical qubit is lowered, executing the plurality of quantum circuits on the quantum processor, by applying laser pulses that each cause a single-qubit gate operation and a two-qubit gate operation in each of the plurality of quantum circuits on the plurality of physical qubits, measuring, by the system controller, population of qubit states of the physical qubits in the quantum processor after executing the plurality of quantum circuits on the quantum processor, and outputting, by the classical computer, the measured population of qubit states of the physical qubits as a result of the execution the plurality quantum circuits, wherein the result of the execution the plurality quantum circuits are configured to be displayed on a user interface, stored in a memory of the classical computer, or transferred to another computational device.
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9.发明申请公开(公告)号：US20220172095A1
公开(公告)日：2022-06-02
申请号：US17531536
申请日：2021-11-19
Applicant: IONQ, INC.
Inventor： Ming LI , Jason M. AMINI , Yunseong NAM
IPC: G06N10/00
Abstract: A method of performing a computation using a quantum computer includes modulating motional mode structures of a plurality of trapped ions, each of the plurality of trapped ions having two frequency-separated states defining a qubit, computing a detuning frequency function and an amplitude function of a laser pulse to cause entangling interaction between a pair of trapped ions of the plurality of trapped ions, and performing a quantum computation in the quantum computer by applying a laser pulse having the computed detuning frequency function and the amplitude function to the pair of trapped ions for a gate duration.
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公开(公告)号：US20200219001A1
公开(公告)日：2020-07-09
申请号：US16708025
申请日：2019-12-09
Applicant: IonQ, Inc.
Inventor： Jungsang KIM , Yunseong NAM , Christopher MONROE
Abstract: The disclosure describes various aspects of a practical implementation of multi-qubit gate architecture. A method is described that includes enabling ions in the ion trap having three energy levels, enabling a low-heating rate motional mode (e.g., zig-zag mode) at a ground state of motion with the ions in the ion trap; and performing a Cirac and Zoller (CZ) protocol using the low-heating rate motional mode as a motional state of the CZ protocol and one of the energy levels as an auxiliary state of the CZ protocol, where performing the CZ protocol includes implementing the multi-qubit gate. The method also includes performing one or more algorithms using the multi-qubit gate, including Grover's algorithm, Shor's factoring algorithm, quantum approximation optimization algorithm (QAOA), error correction algorithms, and quantum and Hamiltonian simulations. A corresponding system that supports the implementation of a multi-qubit gate architecture is also described.
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