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公开(公告)号：AU2022279464A1
公开(公告)日：2022-12-15
申请号：AU2022279464
申请日：2022-11-30
Inventor： LIU SHUSEN , WU DANXIANG , LV SHENJIN
IPC: G06F30/327 , G06N10/20
Abstract: The present application provides a method of processing a quantum circuit, an electronic device, and a storage medium. A specific implementation solution includes: determining a program logic graph of the quantum circuit, wherein the program logic graph indicates a plurality of logic bits and a logic relationship between the plurality of logic bits; mapping at least part of the plurality of logic bits to corresponding physical bits in a plurality of physical bits in the quantum circuit according to measurement fidelities of the plurality of physical bits and the logic relationship, so as to obtain an initial mapping relationship; and obtaining a target mapping relationship from the plurality of logic bits to the plurality of physical bits according to the initial mapping relationship and a chip coupling graph of the quantum circuit.
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82.发明专利
公开(公告)号：AU2021258068A1
公开(公告)日：2022-06-16
申请号：AU2021258068
申请日：2021-10-29
Inventor： JIN LIJING , WANG XIN , MENG ZELIN
Abstract: The present application discloses a simulation method in quantum control, which is related to a field of quantum control. The specific implementation scheme is: acquiring a hardware parameter corresponding to a quantum system and a target quantum gate required to be realized by the quantum system; acquiring a pulse function represented on the basis of discrete time slices; determining target step sizes corresponding to the discrete time slices in the pulse function, to obtain pulse parameter values within time durations according to the target step sizes corresponding to the time slices and the pulse function; and obtaining simulation quantum gates within the time durations corresponding to the target step sizes on the basis of obtained pulse parameter values within the time durations corresponding to the target step sizes and the hardware parameter of the quantum system, until obtaining a target simulation quantum gate within a preset pulse time duration, in this way, a target simulation quantum gate with an error with the target quantum gate meeting a preset rule is rapidly obtained. (FIG. 1) acquiring a hardware parameter corresponding to a quantum system and a target quantum gate required to be realized by the quantum system acquiring a pulse function represented on the basis of discrete time slices, wherein pulse parameter values within a time period from start time to end time of a time slice are the same determining target step sizes corresponding to the discrete time slices in the pulse function, to obtain pulse parameter values within time durations corresponding to the target step sizes according to the target step sizes corresponding to the time slices and the pulse function obtaining simulation quantum gates within the time durations corresponding to the target step sizes on the basis of obtained pulse parameter values within the time durations corresponding to the target step sizes and the hardware parameter of the quantum system, until obtaining a target simulation quantum gate within a preset pulse time duration
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83.发明专利
公开(公告)号：AU2022201682A1
公开(公告)日：2022-03-31
申请号：AU2022201682
申请日：2022-03-10
IPC: G06N10/00
Abstract: The present disclosure provides a method for denoising a quantum device and an apparatus for denoising a quantum device, and relates to the technical fields, such as quantum circuits, 5 quantum algorithms, and quantum calibration. A specific implementation scheme includes: acquiring a noise channel of an actual quantum device; determining a truncation coefficient based on the noise channel, the truncation coefficient being used for characterizing the number of expanded items of a 10 Neumann series of the noise channel at a current error tolerance; running the actual quantum device to generate an intermediate quantum state; performing a first iteration of applying the noise channel to the intermediate quantum state for the number of times, the number being equal to a value of the truncation 15 coefficient, each applying stage of the first iteration being performed based on a result of a previous applying stage of the first iteration; and computing a zero-noise expected value of an ideal quantum device corresponding to the actual quantum device based on the intermediate quantum state and a resultant 20 quantum state obtained through each applying stage of the first iteration. This embodiment realizes the denoising of a quantum circuit.
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公开(公告)号：AU2023285763A1
公开(公告)日：2025-01-16
申请号：AU2023285763
申请日：2023-12-20
IPC: G06N10/00
Abstract: Provided is a processing method, device and system for quantum cloud computing and a medium. The method includes: obtaining the number of historical interruptions of an X-th commit instruction when the XM-th commit instruction needs to be sent, where the X-th 5 commit instruction is obtained based on a subtask of a target task to be executed by a quantum computer; obtaining a calibration instruction based on historical interruption feature information of the XM-th commit instruction when confirming that the number of historical interruptions of the XM-th commit instruction is greater than a preset threshold, where the calibration instruction is used to instruct the quantum computer to perform parameter calibration and/or noise 0 processing; sending the calibration instruction to the quantum computer; and sending at least one run instruction contained in the X-th commit instruction to the quantum computer when determining that the quantum computer completes execution of the calibration instruction.
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85.发明专利
公开(公告)号：AU2023285930A1
公开(公告)日：2024-12-19
申请号：AU2023285930
申请日：2023-12-22
Inventor： WANG JINGBO , CHEN YUAO , LIU SHUSEN
Abstract: Provided is a quantum random number generation method, apparatus and system, a computing device and a storage medium, and relating to a field of data processing, and in particular, to technical fields of quantum computing, quantum random numbers, etc. The quantum 5 random number generation method includes: determining a pulse characteristic of a target pulse applied to a target ion, wherein the target ion is an ion used as a quantum bit; applying, based on the pulse characteristic of the target pulse, the target pulse to the target ion to cause the target ion to be in a target superposition state; and obtaining, by using the target ion in the target superposition state, a quantum random number. Determine a target continuous spectrum corresponding to the S401 target ion Determine, based on the target continuous spectrum corresponding to the target ion, a target duration of the target S402 pulse during which the target ion is caused to be in a target superposition state Apply the target pulse to the target ion for the target duration, S403 so as to cause the target ion to be in the target superposition state After obtaining the target duration of the target pulse, perform a random number generation process to estimate and --- obtain a quantum state in which the target ion is Apply the target pulse to the target ion for the target S404-1 duration Obtain the total number of photons excited by the S404-2 target ion Estimate and obtain, based on the total number of S404-3I photons excited by the target ion, the quantum state in which the target ion is Obtain, based on the quantum state in which the target ion is, S405 a quantum random number
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Patent Agency Ranking
公开(公告)号：AU2023270338A1
公开(公告)日：2023-12-14
申请号：AU2023270338
申请日：2023-11-24
Inventor： FEIYU LI , LIJING JIN , YUXUAN WANG
IPC: H01P5/12
Abstract: A superconducting qubit coupling structure and a superconducting quantum chip are provided, related to the field of quantum computation technology, in particular to the field of superconducting quantum chip technology. The superconducting qubit coupling structure includes two superconducting qubit units, wherein each superconducting qubit unit includes a first metal electrode plate and four second metal electrode plates, the first metal electrode plate is X-shaped and forms openings in four directions; the four second metal electrode plates are located in the openings respectively, and form coupling ports for coupling to a qubit that have the same structural dimension. Coupling ports located in opposing openings of two superconducting qubit units respectively are connected to form a capacitor layout structure of a coupler, and a distance between geometric centers of the first metal electrode plates of two superconducting qubit units is within a range bounded by 385 m a first preset value.
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87.发明专利
公开(公告)号：AU2022263561A1
公开(公告)日：2023-05-25
申请号：AU2022263561
申请日：2022-11-04
Inventor： WANG KUN
Abstract: Abstract A method is provided. The method includes: determining an order of a crosstalk noise of a quantum computer; determining a set of calibration circuits based on the order of the crosstalk noise; preparing a respective standard basis quantum state based on each calibration circuit in the set of calibration circuits, the quantum measurement device is repeatedly run for a predetermined number of times for each standard basis quantum state to measure the standard basis quantum state and to obtain a predetermined number of measurement results ; performing a statistic process on the obtained predetermined number of measurement results corresponding to each standard basis quantum state, to obtain a set of calibration data; determining a global generator based on a hardware topological structure of the quantum computer and the set of calibration data; and constructing a calibration matrix based on the global generator, so as to correct the measurement results of the quantum computer based on the calibration matrix. Fig. 4 10' This solution Tensor product A% model Structureless model 2 4 6 8 10 12 14 16 18 20 Maximum order K of crosstalk noise Fig. 5
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公开(公告)号：AU2022202647A1
公开(公告)日：2022-11-10
申请号：AU2022202647
申请日：2022-04-21
Inventor： WANG XIN , YU SIZHUO , SONG ZHIXIN , ZHAO XUANQIANG
Abstract: Abstract A method is provided, including: initializing a first quantum neural network to be trained and at least two second quantum neural networks to be trained, and obtaining a quantum state training set; identifying one or more qubit pairs in an entangled state shared by the two parties; for each of a plurality of quantum state combinations: inputting quantum states of the quantum state combination into the respectively corresponding first quantum neural network, and measuring qubits output by the first quantum neutral network and not input into each of the at least two second quantum neural networks of each party so as to obtain a corresponding quantum state; selectively running a second quantum neural network respectively according to a measuring result so as to obtain quantum state output by the two parties, to compute a loss function; and adjusting a parameter value to make the loss function reach a minimum value. For each party of two parties performing quantum communication: initialize a d first quantum neural network to be trained and at least two 510 second quantum neural networks to be trained, and obtain a quantum state training set corresponding to one or more qubits to be transmitted Identify one or more qubit pairs in an entangled state, wherein qubits in a qubit pair are shared by the two parties of quantum communication For each of quantum state combinations: input the quantum states of the 530 quantum state combination and the qubits in the one or more qubit pairs in the entangled state into the corresponding first quantum neural network of each party performing the quantum communication, and measure the one or more qubits output by the respective first quantum neural networks and not input into each of the at least two second quantum neural networks of each respective party so as to obtain a corresponding quantum state for each party For each party, selectively run a corresponding second quantum neural network according to the quantum state of the other party based on a 540 result of the measuring, so as to obtain an obtained quantum state output by the corresponding second quantum neural network for a given party of the two parties, wherein the obtained quantum state serves as quantum information exchanged by the two parties after performing the quantum communication Compute, for each party, an error between the obtained quantum state and the corresponding quantum state in the quantum state combination Compute a value of a loss function based on errors corresponding to all the quantum state combinations Adjust parameter values of the first quantum neural network and the 570 second quantum neural networks of each party performing the quantum communication to make the loss function reach a minimum value, thereby obtaining a trained first quantum neural network and trained second quantum neural networks of each party Fig. 5
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公开(公告)号：AU2022202447A1
公开(公告)日：2022-11-10
申请号：AU2022202447
申请日：2022-04-13
Inventor： CHEN YUAO , LIU SHUSEN , WANG NINGFENG
Abstract: A method includes: obtaining a set of characterizing equations for a quantum gate to be benchmarked; in response to the set of characterizing equations including another quantum gate, 5 determining whether the another quantum gate has been benchmarked as trusted; in response to the another quantum gate having been benchmarked as trusted, successively performing a quantum gate operation on each characterizing equation in the set of characterizing equations to obtain, for each characterizing equation, a corresponding measurement result; for each characterizing equation, determining whether the measurement result for the characterizing 0 equation meets an expected result in the characterizing equation for characterization; and in response to the measurement results for each characterizing equation in the set of characterizing equations meeting the expected result, benchmarking the quantum gate to be benchmarked as trusted. Obtain a set of characterizing equations for a quantum gate to be benchmarked In response to the set of characterizing equations involving 120 another quantum gate, determine whether the another quantum gate has been benchmarked as trusted In response to the another quantum gate having been benchmarked as trusted, successively perform a quantum gate 130 operation on each characterizing equation in the set of characterizing equations to obtain, for each characterizing equation, a corresponding measurement result For each characterizing equation, determine whether the 140 measurement result for the characterizing equation meets an expected result in the characterizing equation In response to the measurement results for each 150 characterizing equation in the set of characterizing equations meeting the expected result, benchmark the quantum gate to be benchmarked as trusted Fig. 1
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公开(公告)号：AU2020233743B2
公开(公告)日：2021-11-18
申请号：AU2020233743
申请日：2020-09-18
Inventor： LIU SHUSEN , DUAN RUNYAO
IPC: G06N10/00 , G06F7/00 , H03K3/38 , H03K19/195
Abstract: The present disclosure provides a quantum pulse determining method, apparatus, device and readable storage medium, where basic pulses corresponding to basic logic gates are set in advance, the method including: when manipulating a qubit according to a quantum logic gate, 5 splitting the quantum logic gate to obtain sub-logic gates; and searching for sub-pulses corresponding to the sub-logic gates among the basic pulses, and manipulating the qubit according to the sub-pulse. According to the solution provided by the present disclosure, basic pulses are set in advance in the method, apparatus, device and readable storage medium provided by the embodiments. When a qubit is to be manipulated, the quantum logic gate to be 0 used can be split into multiple sub-logic gates, and then sub-pulses corresponding to the sub logic gates are searched for among the basic pulses. Thus, sub-pulses that are read can be used directly to manipulate the qubit, which avoids the computing power consumed in generating pulses according to the quantum logic gate, thereby improving an operation speed of the quantum computing system. Qubit Qubit
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