Alerta

Thermalized Magnetic Shielding for Quantum Processing Units

Resumen de: US20260181814A1

In a general aspect, an assembly is configured for thermalizing quantum circuits at low temperature and providing them shielding from magnetic fields and infrared radiation. In some implementations, an assembly to house a component of a quantum processing unit in a cryogenic environment, includes a plate, a magnetic shielding structure, a first thermalization pathway, and a second, independent thermalization pathway. The plate is configured to reside in thermal contact with a thermalization stage of a cryostat. The magnetic shielding structure defines an interior volume to contain a component of a quantum processing unit. The component resides on a circuit board. A first thermalization pathway provides thermal contact between the plate and the magnetic shielding structure. The second, independent thermalization pathway provides thermal contact between the plate and the circuit board.

QUANTUM CIRCUIT GENERATION METHOD AND QUANTUM CIRCUIT GENERATION DEVICE

Resumen de: WO2026133524A1

A quantum error correction code circuit in which an intermediate number of ancilla qubits compared with the prior art are used is to be obtained, while taking real machine restrictions into consideration. For this purpose, a quantum circuit generation device according to the disclosed invention includes a circuit search unit and a control unit. The circuit search unit selects a swap gate or a cnot gate according to the information acquisition status of ancilla qubits. The control unit adds, to a quantum circuit list, the quantum circuit selected by the circuit search unit, as well as a measurement gate when an ancilla qubit for which the acquisition of information necessary for eigenvalue measurement has been completed is obtained.

システム

Resumen de: JP2026103606A

【課題】システムを提供する。【解決手段】利用者の学習者情報を収集し、該情報に基づいて利用者の学習レベルを解析する解析手段と、利用者の学習目標に応じて最適化された学習プランを生成するプラン生成手段と、生成された学習プランに基づいてリアルタイムで学習支援とフィードバックを提供する支援手段と、仮想ビジネス環境におけるシミュレーション訓練を実施し、該訓練中の利用者の活動を評価する評価手段と、利用者からの問い合わせを受け付け、応答を生成して提供する応答手段と、利用者の学習進捗を分析し、視覚的なフィードバックを生成するフィードバック手段と、リアルタイムでユーザの視点からシミュレーションシナリオを提供し、言語能力を評価する評価手段と、を含むシステム。【選択図】図１

MULTI-QUBIT SUPERCONDUCTING CIRCUITS

Resumen de: WO2025040833A1

The invention relates to a superconducting circuit suitable for implementing multiple qubits in a quantum processing unit. The superconducting circuit comprising at least one non-linear inductive element shunted by at least one linear inductive element such that a first impedance along a first path of the non-linear inductive element is different to a second impedance along a second path of the non-linear inductive energy element forming at least two modes of the superconducting circuit that couple to the non-linear inductive element.

システム

Resumen de: JP2026103384A

【課題】システムを提供する。【解決手段】異文化間のコミュニケーションを支援するために、異文化に関する情報を収集する手段と、ユーザの入力を自然言語処理技術により解析し、文化的背景を理解する手段と、解析結果に基づき、適切なコミュニケーション戦略を生成する手段と、生成された戦略をユーザに提示する手段と、乗客の文化的背景に基づいて音声案内を最適化する手段と、を含むシステム。【選択図】図１

SYSTEM, METHOD AND COMPUTER PROGRAM PRODUCT FOR QUANTUM COMPUTING

Resumen de: EP4764969A1

The disclosure relates to a quantum computing system comprising: a reservoir (101, 201) of quantum computational units (202, 203, 801), wherein the quantum computational units (202, 203, 801) are disposed in a non-lattice computational arrangement; means for computationally manipulating quantum computational units (202, 203, 801) of the reservoir (101, 201); means for enabling computational interaction between at least two quantum computational units (202, 203, 801) computationally manipulated; and a measurement means (105, 601) for measuring a quantum property of at least one of the at least two quantum computational units (202, 203, 801) after said computational interaction.

METHOD OF MEASURING SELF-KERR IN A PHYSICAL QUANTUM SYSTEM CONFIGURED TO HOST A BOSONIC CODE QUBIT

Resumen de: EP4764968A1

A method of measuring self-Kerr in a physical quantum system configured to host a bosonic code qubit, comprises the following operations:1) providing a physical quantum system configured to host a bosonic code qubit, said physical quantum system comprising (i) a quantum circuit comprising oscillators hosting a buffer or readout mode and a memory mode, and a non-linear element coupling the buffer or readout mode to the memory mode, and (ii) a control circuit configured to apply one or more control signals to the quantum circuit to stabilize the bosonic code qubit in the memory mode and further configured to receive measurement signals from at least the buffer or readout mode,2) define a coherent state (α) for the memory mode, and, for each of a plurality of coherent state amplitudes and each of a plurality of durations (t),a. prepare, using the control circuit, said coherent state (α) in the memory having one of said plurality of coherent state amplitudes,b. wait for a period of time having one of said duration (t),c. apply, using the control circuit, one or more control signals to said quantum circuit such that the quantum circuit is in a resonant regime |i * ω_a - ω_b| = j * |ω_CS| if said one or more control signals comprise an AC component having an angular frequency ω_CS or |i * ω_a - ω_b| = 0 if said one or more control signals comprise only DC components, resulting in an interaction, mediated via said n

METHOD FOR DETERMINING A CHARACTERISTIC BIT-FLIP TIME OF A QUANTUM QUBIT IN A SUPERCONDUCTING QUANTUM CIRCUIT

Resumen de: EP4764967A1

A method for determining a characteristic bit-flip time of a quantum qubit in a superconducting quantum device, comprises the following operations:a) initializing an idling time and a probability density function (P) of bit-flip time testing parameters (θ) according to a first probability distribution (p), said bit-flip testing time parameters (θ) comprising at least a decreasing lifetime rate (Γ_Z) said probability density function (P) of bit-flip time testing parameters (θ) being a Poisson distribution with the probability of observing a total measurement outcome y = Σ_i y_i being given by P(y = k | θ,t,0/1=Nkp01k1−p01N−k, where p_0/1 is a function comprising a component of the type e^-ΓZt, said probability density function of bit-flip time testing parameters (θ) being stored on a grid of values for the bit-flip time testing parameters (θ),b) preparing a physical qubit in a chosen state,c) idling for a duration derived from the idling time,d) obtaining a bit-flip measurement (y) by reading the state of the physical qubit,e) updating the probability distribution function of bit-flip time testing parameters (p(θ)) using the measurement (y) of operation d), the idling time of operation c), and with the formula p(θ) = p(θ)p(y|θ, t)/p(y, t),f) calculating an estimated information gain for each possible measurement time using the updated probability distribution function of bit-flip time testing paramet

METHOD FOR DETERMINING A SET OF ONE OR MORE OBJECTS USING A QUANTUM COMPUTER

Resumen de: EP4764977A1

0001 There is presented a method comprising positioning a first set of matter particles in a quantum computer according to a first spatial layout. A determination of the first spatial layout comprises assigning at least one spatial position in the layout to at least one node of the plurality of nodes using data associated with at least one edge of the graph. The first spatial layout associated with a first subset of nodes of the plurality of nodes. The method then performs a first quantum computation, using the quantum computer, using the first set of the matter particles spatially positioned according to the first spatial layout. The first quantum computation providing a first output set of one or more nodes. The method then positions a second set of the matter particles in the quantum computer according to a second spatial layout. The second spatial layout associated with a second subset of the plurality of nodes. At least one graph node not in the second subset is: a node of the first output set; or, a node that is edge connected to a node of the first output set via a single edge connection. The method performs a second quantum computation, using the quantum computer, using the second set of the matter particles spatially positioned according to the second spatial layout. The second quantum computation providing a second output set of one or more nodes. The method determining the set of one or more nodes at least from the second output set.

REDUCING QUBITS USED IN A QUANTUM COMPUTER

Resumen de: EP4764971A1

Aspects of the disclosure include a procedure for operating a quantum circuit. Aspects include performing Hamiltonian block encoding with unitary evolution on a first multiplicand and a second multiplicand resulting in a first intermediate operator and a second intermediate operator, respectively. Aspects include performing first gates on the first intermediate operator and second gates on the second intermediate operator resulting in a modified first intermediate operator and a modified second intermediate operator, respectively. Aspects include performing a commutator product formula to combine the modified first intermediate operator and the modified second intermediate operator resulting in a combination operator, and performing another first gates and another second gates on the combination operator resulting in a modified combination operator. The another second gates include a conjugate transpose of the another first gates. Two ancilla qubits are utilized on the quantum circuit.

A NON-LINEAR SUPERCONDUCTING QUANTUM CIRCUIT CONFIGURED TO OPERATE IN A RESONANT DISSIPATIVE MODE AND A KERR HAMILTONIAN MODE

Resumen de: EP4764974A1

0001 A non-linear superconducting quantum circuit (1) including a memory mode (3), a buffer mode (5), a SNAIL (7) coupled to both the memory mode (3) and the buffer mode (5), a SNAIL flux line (9) inductively coupled to the SNAIL (7), and a DC SQUIDs flux line (11) inductively coupled to a tunable inductive element (21). 0002 The non-linear superconducting quantum circuit (1) is configured to operate in: • a resonant dissipative mode in which the SNAIL flux line (9) causes the SNAIL (7) to implement three-wave mixing between the memory mode (3) and the buffer mode (5), and the DC SQUIDs flux line (11) varies the buffer resonant frequency to be equal to twice the memory resonant frequency, and • a Kerr Hamiltonian mode in which the SNAIL flux line (9) causes the SNAIL (7) to implement four-wave mixing between the memory mode (3) and the buffer mode (5).

METHOD AND SYSTEM FOR RE-SETTING A CAT QUBIT

Resumen de: EP4764976A1

0001 There is provided a method for resetting an arbitrary state, hosted in a quantum system, to the vacuum Fock state or a coherent state, wherein the quantum system comprises: (I) at least one resonant portion configured to have a first mode having a first resonant frequency and wherein the arbitrary state is hosted in the first mode, (II) a non-linear element coupled to the at least one resonant portion so as to non-linearly couple to the first mode, and (III) one or more signal generator(s) coupled to the at least one resonant portion and/or to the non-linear element and configured to input control signals to physically stabilize a cat qubit subspace in the first mode having a cat phase angle. The method comprises: (i) physically stabilizing for a first period of time, with the one or more signal generator(s), a first cat qubit subspace having a first cat phase angle and first cat size |α|<2>, wherein α is a first amplitude which is the amplitude of the superposed coherent states | ± α〉 defining the first cat qubit subspace (702); (ii) after the first period of time, physically performing for a second period of time, with the one or more signal generator(s), a first parallel displacement drive by inputting electromagnetic radiation having a first phase substantially equal with the first cat phase angle, a frequency substantially equal to the first resonant frequency, and a first displacement amplitude greater than or equal to the first amplitude (704); (iii) afte

A QUANTUM SYSTEM FOR STABILIZING A CAT QUBIT

Resumen de: EP4764975A1

0001 Non-linear superconducting circuit for stabilizing at least one cat qubit, the non-linear superconducting circuit comprising: a four-wave mixing non-linear element (7); a first resonant portion (29); and a second resonant portion (31) which is coupled to the first resonant portion via the four-wave mixing non-linear element; wherein the first resonant portion, the second resonant portion, and the four-wave mixing non-linear element are configured together to provide a first physical oscillatory mode (a) with a first resonant frequency for hosting a cat qubit and a second physical oscillatory mode (b) with a second resonant frequency which is more dissipative than the first physical oscillatory mode (a); and wherein at least one of the first and second resonant portions comprises a tunable inductor (8) and a capacitor (43,39) such that at least one of the first and second resonant frequencies are tunable with the inductance of the tunable inductor.

METHOD FOR MITIGATING ERRORS CAUSED BY NOISE IN A TARGET QUANTUM CIRCUIT EXECUTED BY A QUANTUM PROCESSOR, COMPUTER PROGRAM PRODUCT, DATA CARRIER AND COMPUTING SYSTEM

Resumen de: EP4764979A1

0001 The present invention is related to a method for mitigating errors caused by noise in a target quantum circuit executed by a quantum processor, to a computer program product and a computing system for carrying out the method and to a data carrier having stored thereon the computer program.

SHARING OF QUBITS IN A QUANTUM COMPUTING ENVIRONMENT

Resumen de: EP4764980A1

0001 A quantum computing system receives a first qubit reservation request from a first quantum service, the first qubit reservation request identifying a first quantity of qubits. A first set of qubits equal in number to the first quantity of qubits is determined based on a qubit data structure that identifies a first plurality of qubits. The qubit data structure is altered to reserve the first set of qubits for the first quantum service. Qubit reservation information that identifies the first set of qubits is sent to the first quantum service.

QUANTUM MEMORY

Resumen de: EP4765125A1

The invention relates to an assembly (11) for a quantum memory (10), the quantum memory (10) being suitable to store and retrieve a quantum information encoded into an optical signal, the assembly (11) being deprived of optical cavity and comprising:- a vacuum chamber (12),- a neutral atoms source (14) suitable to generate neutral atoms in the vacuum chamber (12), and- a magneto-optical trap generator (16) suitable to generate an elongated magneto-optical trap enabling to trap neutral atoms in the vacuum chamber (12) so as to obtain an elongated ensemble of neutral atoms elongated along a so-called elongation axis, the elongation axis being along a vertical direction, the optical signal being intended to propagate in the vacuum chamber (12) along the elongation axis, the quantum information being stored in the elongated ensemble of neutral atoms or being retrieved from the elongated ensemble of neutral atoms depending on a control signal.

システム

Resumen de: JP2026103549A

【課題】システムを提供する。【解決手段】生成型人工知能を利用して、利用者の感情および思考を解析し、共感的な対話内容を提供する手段と、予め収集した利用者のデータに基づき、利用者の心理的状態に応じたリラクゼーション手法を提案する手段と、利用者の活動状況を監視し、設定した心理的目標達成の進捗を視覚的に表現する手段と、利用者の状態が危機的状況であることを判断した場合に専門家への連絡手段を提供する手段と、スマートな都市環境内のリソースと連携し、利用者に最適な活動を提案する手段と、拡張現実技術を用いてリラクゼーション方法を視覚的かつ具体的に体験させる手段と、を含むシステム。【選択図】図１

システム

Resumen de: JP2026103412A

【課題】システムを提供する。【解決手段】顧客情報処理装置から利用者評定情報を取得する手段と、前記利用者評定情報を解析し、特定の基準に一致する否定的評定を選定する手段と、前記否定的評定に対応する応答文を知能モデルを用いて生成する手段と、前記生成された応答文を自動的に記録媒体に送信する手段と、業務特定情報を解析し、在庫管理または人員配置を最適化する手段と、を含むシステム。【選択図】図１

システム

Resumen de: JP2026103557A

【課題】システムを提供する。【解決手段】異なる情報源から取得した都市関連データを集積する手段と、収集した情報を標準形式に変換し、データ品質向上のためのノイズ除去および異常値修正を行う手段と、前処理されたデータを用いて、機械学習アルゴリズムによるパターン分析と予測を実行する手段と、結果を自然言語構成によって文章化し、報告文書として提供する手段と、報告内容に対する利用者の意見を集めて機械学習モデルを更新する手段と、分析結果を経由して利用者にリアルタイムで表示するための情報技術基盤を提供する手段と、を含むシステム。【選択図】図１

システム

Resumen de: JP2026103613A

【課題】システムを提供する。【解決手段】ネットワークトラフィックデータをリアルタイムで監視し、収集する装置手段と、収集された情報を前処理し、機械学習モデルが解析可能な形式に変換する装置手段と、前処理された情報を用いて異常な通信パターンを検出する機械学習モデルを実行する装置手段と、検出された異常に基づいてセキュリティインシデントを自動的に分類し、優先度を設定する装置手段と、インシデントに対する初期対応を自動的に実行する装置手段と、過去の記録と現在の動向を解析して将来的な脅威を予測する装置手段と、人工知能モデルを定期的に再訓練し、最新の脅威に対応可能にする装置手段と、システムの防御を評価し、保護する装置手段と、通信における異常検知に対する詳細な情報と安全推奨を利用者にリアルタイムで提供する装置手段と、を含むシステム。【選択図】図１

システム

Resumen de: JP2026103500A

【課題】システムを提供する。【解決手段】ユーザと対話型人工知能が交わす情報を収集する装置と、自然言語処理技術を用いて、前記情報を予め定義された分類に整理する装置と、前記分類された情報を表示装置上に表示することにより、ユーザが過去の対話を容易に探し出せるようにする装置と、期限を含む情報を解析し、通知を生成し発信する装置と、家庭内自動化装置において、ユーザの生活管理を支援する装置と、を含むシステム。【選択図】図１

システム

Resumen de: JP2026103530A

【課題】システムを提供する。【解決手段】多言語情報を収集し解析する手段と、生成アルゴリズムを用いて新たな標準的表現を設計する手段と、前記多言語情報を前記標準的表現に変換し圧縮する手段と、変換された情報を用いて予測モデルを最適化する手段と、予測されたモデルを利用して利用者との双方向通信を実行する手段と、リアルタイムで翻訳された情報を提示する手段と、を含むシステム。【選択図】図１

CLIFFORD CIRCUIT FORECASTING WITHOUT FORWARD FAULT PROPAGATION

Resumen de: US2025061359A1

A method to forecast the result of a Clifford circuit acting on the qubits comprises: for a fault operator F acting on the qubits, precomputing a backward cumulant of the fault operator for each row u of binary matrices Ms and Ml, the backward cumulant reflecting an effect f=effm(F) on measurement outcomes of the qubits according to the Clifford circuit and fault operator; sampling the fault operator F for the qubits according to the predetermined noise distribution in the Clifford circuit; computing a syndrome s=Msf corresponding to the effect based on a commutator of the backward cumulant versus a row of the binary matrix Ms; computing a set of logical flips f=Mlf corresponding to the effect based on a commutator of the backward cumulant versus a row of the binary matrix Ml; and returning the result based on the syndrome and on the set of logical flips.

SYSTEMS AND METHODS FOR SUPPORTING A HIGH THERMAL GRADIENT BETWEEN A QUBIT PLANE AND A CONTROL SYSTEM FOR THE QUBIT PLANE USING A SUPERCONDUCTING RIGID-FLEX CIRCUIT

Resumen de: US2025063650A1

0000 Systems and methods for supporting a high thermal gradient between a qubit plane and a control system for the qubit plane are described. A system includes a qubit plane associated with a first rigid circuit portion of a superconducting rigid-flex circuit and a control system associated with a second rigid circuit portion of the superconducting rigid-flex circuit. The superconducting rigid-flex circuit includes a flexible circuit portion for interconnecting the first rigid circuit portion with the second rigid circuit portion. The system further includes a first cooling system operable to maintain an operating temperature for the qubit plane and the first rigid circuit portion of the superconducting rigid-flex circuit at or below 100 milli-kelvin. The system further includes a second cooling system operable to maintain an operating temperature for the control system and the second rigid circuit portion of the superconducting rigid-flex circuit at or below 10 kelvin.

TOPOLOGICAL OUTCOME CODES FOR CLIFFORD CIRCUITS

Nº publicación: EP4762496A1 24/06/2026

Solicitante:

MICROSOFT TECHNOLOGY LICENSING LLC [US]
Microsoft Technology Licensing, LLC

Resumen de: WO2025038259A1

A method (50) to correct a fault in the application of a Clifford circuit to a qubit (12) register of a quantum computer (10) comprises: receiving (52) circuit data defining the Clifford circuit; receiving (56) additional data identifying one or more measurements belonging to each of a plurality of faces (48) of a lattice (44); emitting (58) an outcome code based on the circuit data, the outcome code including a series of outcome checks each corresponding to an anticipated error syndrome for the application of the Clifford circuit to the qubit register; and emitting (60) a topological outcome code based on the circuit data, the additional data, and the outcome code, the topological outcome code including a series of check operators that support quantum-error correction via a topological decoder, thereby enabling fault correction in the application of the Clifford circuit to the qubit register.