Resumen de: WO2025155358A2
Methods, systems, and apparatus for performing an error detection cycle of a quantum error correcting code. In one aspect, a method includes measuring a stabilizer operator, comprising: performing a respective entangling operation between a stabilizer qubit in a register of stabilizer qubits and one or more data qubits in a register of data qubits that are coupled to the stabilizer qubit; and for each of a number of repetitions, wherein the number of repetitions is dependent on a code distance of the quantum error correcting code: applying a sequence of local quantum gates for the repetition to stabilizer qubits included in the register of stabilizer qubits to logically shift the register of stabilizer qubits; and performing a respective entangling operation between the logically shifted stabilizer qubit and one or more data qubits in the register of data qubits that are coupled to the shifted stabilizer qubit.
Resumen de: EP4783076A1
0001 A quantum computing system and methods for performing fusion based quantum computing on encoded qubits. A fusion controller sequentially performs a series of fusion measurements on respective physical qubits of first and second encoded qubits to obtain a respective series of classical measurement results. For respective fusion measurements of the series of fusion measurements, a basis for performing the respective fusion measurement is selected based on classical measurement results of previous fusion measurements. An encoded fusion measurement result is determined based on the classical measurement results, and the encoded fusion measurement result is stored in a memory medium.
Resumen de: WO2025096766A1
A method for operating a quantum computer with a set of qubits is disclosed. A quantum algorithm redundantly encodes quantum information in each physical qubit. Each physical qubit redundantly encodes the quantum information. The set of physical qubits is employed to form a set of logical qubits. Each logical qubit is formed via a separate subset of the physical qubits. Each logical qubit redundantly encodes the quantum information. Each separate subset of physical qubits is disjoint from each other separate subset of physical qubits. A first quantum error correction (QEC) code is performed on each logical qubit. The first QEC code detects a first set of parity conditions across the separate subset of physical qubits forming the logical qubit. A second QEC code may be performed on the set of logical qubits. The second QEC code detects a second set of parity conditions across the set of logical qubits.
Resumen de: WO2025061970A1
The present disclosure relates to a spin qubit system comprising a quantum dot unit comprising a planar nanophotonic waveguide comprising a grating coupler, and a nano beam waveguide section for guiding photons and a photonic bandgap waveguide section, the quantum dot unit further comprises a quantum dot configured to interact with the planar photonic bandgap waveguide, and an electrode for applying a DC electric field to the quantum dot. The spin qubit system further comprises a quarter wavelength resonator in a coplanar waveguide configuration comprising an open input end having three input electrodes, and a closed resonator end wherein the three input electrodes are shorted at the closed resonator end by a conducting material.
Resumen de: WO2025061464A1
Disclosed is a system for providing an EPR quantum channel, comprising: • an emitter of entangled photons comprising a source configured to generate a pair of entangled photons, • a first receiver and a second receiver each comprising: - a unit for storing qubits, which is arranged to store the qubit carried by the received photon, - a photon switch arranged to send the received photon to the storing unit, - a detector of passage of photons, which is configured to control the photon switch and note the time of reception of the photon, • an information processor arranged to control the photon switch of the receiver, • a communication system linking the two receivers to each other, which is arranged to communicate the times of reception of the photons, in order to determine the pairs of entangled photons the two photons of which each reached the receiver to which they were sent.
Resumen de: GB2623190A
Optical circuit 300 is an assisted N-qubit GHZ state analyser, with N greater than two, e.g. a photonic multiqubit state comprising a 3-qubit GHZ state. Horizontal lines 106 are optical modes and vertical lines 104 represent beamsplitter interactions. A first interferometer 102 receives dual-rail encoded photonic qubits as 2N input optical modes and provides a beam-splitter interaction: between the first primary mode 106-1A of a first qubit and the second primary mode 106-NB of qubit N; and between the second modes and first modes of the qubits in between, e.g. 106-1B-106-2A. A second interferometer 302 receives interfered qubits 304 from the first interferometer and two single photons in a first and second auxiliary input optical mode 306-1A,306-1B. The second interferometer performs a beam splitter interaction between the auxiliary modes 306-1A,1B and a second beamsplitter interaction between the first 106-1A and second 106-1B primary mode of the received interfered qubit 304 and the first 306-1A and second 306-1B auxiliary optical mode, respectively. The second interferometer outputs four optical modes for measurement 106-1A’,1B’, 306-1A’,1B’. The apparatus probabilistically projects multi-qubit input states onto multi-qubit GHZ states. A method for entangling a plurality of multi-qubit photonic states using such an apparatus is also disclosed herein. Optical modes comprise: spatial, temporal, spectral and polarisation modes. Beamsplitters comprise: bulk optic, rec
Resumen de: WO2025111085A2
Methods, systems, and apparatus for performing electronic structure calculations. In one aspect, a method includes preparing, by quantum computation, approximations of a ground state in an active space of a quantum system; measuring, by quantum computation, the approximations of the ground state to obtain a plurality of cluster amplitudes; and processing, by classical computation, the plurality of cluster amplitudes to simulate the quantum system, comprising providing the plurality of cluster amplitudes as input to a coupled cluster method that recovers dynamic correlation in the quantum system.
Resumen de: CN122472240A
本申请涉及量子计算技术领域。通过提供一种基于量子傅立叶算法的数据处理方法、系统、设备及介质,其中方法包括:通过量子门电路接收时域输入信号,对时域输入信号进行叠加态编码,生成量子叠加态时域序列;基于预设的八色谱基准图像对量子硬件噪声误差进行梯度校正,生成误差校正参数集合;通过误差校正参数集合控制多级量子门操作链,对量子叠加态时域序列实施频域转换,生成频域振幅分布;根据目标应用场景类型,对频域振幅分布进行特征选择,得到场景化输出数据,以降低量子硬件噪声干扰、提升动态扩展效率、并优化跨领域应用适配性。
Resumen de: WO2022086918A1
Methods, systems, and apparatus for quantum machine learning. In one aspect, a method includes obtaining, by a quantum computing device, a training dataset of quantum data points; computing, by the quantum computing device, a kernel matrix that represents a similarity between the quantum data points included in the training dataset, comprising computing a value of a kernel function for each pair of quantum data points in the training dataset, wherein the kernel function is based on reduced density matrices for the quantum data points; and providing, by the quantum computing device, the kernel matrix to a classical processor, wherein the classical processor performs a training algorithm using the kernel matrix to construct a machine learning model.
Resumen de: CN122472237A
本发明公开了一种基于双射频场相位调控的量子态快速相干操控技术,属于量子操控技术领域。针对现有功率调控方案响应速度慢的技术问题,本发明提出了双射频场方案用于原子内态的相干操控。本发明方法利用两射频场的干涉效应,通过调节相对相位实现对耦合强度的调控。本发明方法不仅可以实现耦合强度的连续可调,还可以利用相位调控的快速响应优势,将其应用于量子计算、量子模拟、原子钟及精密测量等领域。
Resumen de: CN122471050A
本申请涉及一种相干伊辛机的训练方法及相关设备,训练方法包括:向相干伊辛机注入噪声,以在相干伊辛机的物理参量和噪声的共同作用下,相干伊辛机产生的光脉冲的连续幅值向量按朗之万动力学演化规则演化至服从吉布斯分布的稳态分布状态,物理参量包括泵浦参量、饱和参量、耦合系数、偏置场量以及增益;将当前稳态分布下采集的连续幅值向量作为负相幅值数据后,基于负相幅值数据和正相幅值数据之间的偏差得到的更新量更新物理参量中的一个或多个,以使连续幅值向量达到目标稳态分布。本申请解决了传统CIM机参量多为固定或经验调参,导致光脉冲稳态样本分布随环境漂移、器件误差而产生较大的变化的问题。
Resumen de: CN122472239A
本申请提供了一种正则图信息获取方法、装置、设备及介质,可以应用于图像处理技术领域。该方法包括:对具有相同顶点数的多个正则图进行量子态初始化处理,得到初始化量子态;在多个正则图之间执行量子游走操作和信息传递操作,以迭代更新初始化量子态,得到最终量子态,及最终量子态所指示的游走路径,游走路径表征在多个正则图的顶点之间的可发生路径;基于预设的投影测量算子,对最终量子态进行振幅测量,得到可发生路径对应的量子态振幅信息;根据可发生路径中顶点度数的乘积及量子态振幅信息,确定多个正则图的游走信息,游走信息指示了多个正则图的邻接矩阵的连乘结果。
Resumen de: CN122472236A
本发明公开一种无需阈值判别的忆阻器构成用于量子计算的费曼门,利用忆阻器与MOS管搭建的逻辑网络,在输入信号驱动下直接产生对应逻辑状态的输出电平,无需人为预设电压阈值对输出进行逻辑判读。电路由双路输入端、忆阻器‑晶体管逻辑网络及双路输出端构成,输入信号A、B经忆阻器网络后,P端输出与A逻辑等价的电平信号,Q端(异或输出端)通过NMOS管与PMOS管构成的CMOS推挽输出级输出A与B异或运算结果,输出电平本身即为最终逻辑值,可作为量子计算系统中低温环境下经典控制逻辑的基本可逆门单元。
Resumen de: CN122472238A
本发明公开了一种用于量子计算的基于VCSEL、MLA和META的光镊形成结构,属于光学微操控领域。该光镊形成结构,包括光源部和分光部,所述光源部为激光阵列(VCSEL),所述分光部为超表面(META),所述光源部上设置有微透镜阵列(MLA)。本发明采用的VCSEL阵列、微透镜阵列与超表面结构均兼容半导体晶圆级加工工艺,可实现一体化制备与集成,相较于传统SLM等离散器件,大幅提升了生产良率、降低了量产成本;同时,通过微透镜阵列与超表面的协同光学设计,实现了光束准直、分光、聚焦的全链路高效调控,降低了光学损耗,提升了光能量利用率,解决了现有超表面光镊方案偏振敏感、调控效率低的问题,具备优异的环境适应性与产业化推广价值。
Resumen de: CN122472090A
本申请公开了一种基于量子随机游走图扩散神经网络的信息传播方法及相关装置,涉及图表示学习领域,该方法包括根据输入的图结构,构建组合图拉普拉斯算子作为量子系统的哈密顿量;基于哈密顿量在图结构上定义连续时间量子随机游走过程;根据量子随机游走过程,计算量子转移概率,并基于不同节点间的量子转移概率,生成时间感知型量子扩散核;利用时间感知型量子扩散核对图结构的邻接关系进行扩展,生成量子增强邻接矩阵;基于多层图卷积网络中的量子增强邻接矩阵,对节点特征进行迭代更新;将经过多层图卷积网络卷积后的节点嵌入,作为节点级表示或通过池化层聚合为图级表示。本申请能够精准模拟和预测复杂网络中信息传播过程的模型。
Resumen de: CN122475852A
本发明公开了一种量子区分器自动化搜索方法、系统、电子设备及存储介质,涉及分组密码分析技术领域,根据截断差分与周期函数之间的联系,将分组密码结构中每一轮每条分支的状态约束为6种差分形态,并刻画出6种不同形态的差分经过分组密码结构中不同操作的变化规则,以及分组密码结构存在周期函数的条件。此外,针对分支之间存在线性关系的分组密码结构,本方法从分组密码结构的尾端开始对分支进行剪枝,直至剩余的分支满足存在周期函数的条件。因此,通过该尾端剪枝技术,可提高这些分组密码结构的量子区分器轮数。从而解决当前量子区分器自动化搜索方法的搜索效率低下的问题,以及提高一些特殊分组密码结构的量子区分器轮数。
Resumen de: CN122474160A
本申请涉及分子基态能量的确定方法、装置及量子计算设备。所述方法包括:获取分子的玻色子哈密顿量;根据每一玻色子Fock态对应的光子数和值,确定不同光子组;为每一光子组分配一个玻色采样芯片,并为每一玻色采样芯片的目标参数配置参数值;获取每一玻色采样芯片基于配置的光子采样参数的参数值对输入光进行概率采样所输出的采样结果,并根据所获取的采样结果,确定每一玻色子Fock态的输出概率;根据玻色子哈密顿量、分子的波函数、每一玻色采样芯片的当前权重,以及每一玻色子Fock态的输出概率,确定分子的基态能量。采用本方法能够降低求解分子基态能量的硬件需求,克服超导谐振腔难以大规模扩展的缺陷。
Resumen de: CN122474396A
本发明涉及量子计算技术领域,尤其涉及一种柔性排线、量子计算机。该柔性排线包括:第一金属层,第二金属层,第三金属层,第一介电层,第二介电层以及连接器;所述第一介电层设置在所述第一金属层和所述第二金属层之间,所述第二介电层设置在所述第二金属层和所述第三金属层之间;所述第一金属层、第二金属层和所述第三金属层中的至少一个金属层上设置有多根信号线;所述多根信号线的表面均设有用于焊接的金属;所述连接器与所述第一金属层或所述第三金属层上的信号线电连接;所述柔性排线上设有信号过孔,所述第一金属层和/或第三金属层上的信号线与所述第二金属层上的信号线通过所述信号过孔进行电连接。本发明通过在信号线上设置用于焊接的金属,连接器可与柔性线建立稳定可靠的电连接。在柔性线中设置多个信号通道,提升了集成度。
Resumen de: CN122472242A
本发明公开了量子电路张量网络模拟方法:获取量子电路描述,将每个量子门按计算基对角性分类为对角门或非对角门,针对每个量子比特,在其每完成一次非对角门操作后,引入对应的布尔状态变量,基于该变量构建初始复数无向图,其中对角门被表示为连接现有顶点的边或顶点权重而非新顶点;识别由对角门边连接非对角门节点构成的局部子图,执行基于分配律的等效收缩,压缩为等效复合张量并替换原局部子图,得到简化复数无向图;基于简化图搜索最优变量消去顺序并执行张量网络收缩,计算目标输出概率。通过对角门边化表示及局部预折叠降维,压缩张量网络拓扑规模,降低树宽与内存峰值,在保持数学等价性的同时实现高效精确模拟并兼容主流计算生态。
Resumen de: CN122472241A
本申请实施例提供一种基于PT对称破缺非厄米对偶网络的双正交求解方法,其在构建由右矢处理流、左矢处理流及PT破缺对偶耦合层构成的非厄米对偶网络,并利用基于非厄米强度和采样状态联合调制的自适应优化机制进行训练,形成PT对称破缺非厄米对偶网络的基础上,以原始自旋构型为基矢索引、仅对本源构型参数进行特征映射与解码,直接输出左右矢复值波函数、左右矢波函数模方,并对输出的左右矢复值波函数、左右矢波函数模方进行一系列分析、局部能量计算、双正交权重求解及基态能量估计,最终输出PT对称相变识别参数,完成待求解非厄米系统的基态求解。本申请能够实现对非厄米系统基态的高精度精准求解。
Resumen de: CN122468544A
本发明涉及材料检测技术领域,公开了一种无源张力粘滞阻尼器的粘弹性检测方法及系统,该方法包括采集阻尼材料的应力‑应变响应数据,以分析阻尼材料在慢速外力下的粘滞性与塑性变形能力;在相同试样上施加快速外力,使张力线瞬时牵引传感主轴大幅偏移,同步采集阻尼材料的瞬时力学响应数据,检测阻尼材料在瞬时冲击下形成分子网结构的自平衡能力;综合评估阻尼材料在不同外力工况下的粘弹性表现,并生成无源张力粘滞阻尼器的粘弹性检测结果。本发明通过结合慢速与快速两种典型工况下的力学测试,同步评估阻尼材料的粘塑性变形与瞬时弹性恢复能力,有效验证了其利用分子网结构实现自平衡的核心机理。
Resumen de: CN122471968A
本发明涉及用于模拟电子电路的方法和系统。模拟电子电路的方法(10)包括:使用至少一个非量子处理器通过电路模拟技术对所述电子电路进行建模(11,12);使用所述至少一个非量子处理器将所述电子电路的模型转换(13)为由至少一个量子计算机可求解的方程组;由所述至少一个量子计算机求解(14)所述方程组;以及将所述方程组的解映射(15)到建模的所述电子电路。本发明还涉及一种模拟测试和/或测量仪器的方法。
Resumen de: CN122474397A
本发明涉及量子计算技术领域,尤其涉及一种低驻波柔性线、量子计算机。该低驻波柔性线包括:内导体、第一外导体、第二外导体以及介电层。所述介电层设置于内导体与第一外导体之间,或设置于内导体与第二外导体之间。在柔性线的两端设置有开窗区,该开窗区内移除了覆盖于内导体上方的介电层以及对应的第一外导体或第二外导体。通过该结构设计,连接器可在开窗区直接与内导体实现电连接,从而避免信号在传输过程中出现跨层过渡,不仅有助于降低驻波,还简化了加工工艺,使柔性线兼具低驻波特性和制造简便的优点。
Resumen de: CN122475686A
提供非可逆电路元件和量子计算机。提供一种能够在极低温环境下实现充分的隔离度的小型的非可逆电路元件以及具备该非可逆电路元件的量子计算机。非可逆电路元件(100)具有中心导体(10)、接地导体(41、42)、短路短截线(50)、磁性体(25、27)以及吸收体(26、28)。中心导体10具备第一端子和第二端子,且具有第一区域和第二区域,其中,第一区域以跨第一端子和第二端子的方式扩展。磁性体在从厚度方向观察时与中心导体的第一区域重叠。吸收体在从厚度方向观察时与中心导体的第二区域重叠。短路短截线配置在磁性体、吸收体、或者磁性体与吸收体的边界处,将中心导体与接地导体电连接。
Nº publicación: CN122477475A 28/07/2026
Solicitante:
埃德迪私人有限责任公司
Resumen de: WO2025140989A1
A computer implemented method for determining a control Hamiltonian for a quantum gate G to be applied to at least one quantum state, is provided. Quantum systems driven according to the control Hamiltonian are provided.