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1. 发明公开

EP4383139A1 SUPERCONDUCTING QUANTUM CIRCUIT FOR BOSONIC CODES WITH GALVANIC COUPLING 审中-公开
公开(公告)号：EP4383139A1
公开(公告)日：2024-06-12
申请号：EP22306815.6
申请日：2022-12-07
申请人： Alice & Bob
发明人： ESSIG, Antoine , LESCANNE, Raphaël , JEZOUIN, Sébastien
IPC分类号： G06N10/40 , G06N10/70
CPC分类号： G06N10/40 , G06N10/70
摘要： A non-linear superconducting quantum circuit comprising at least one resonant portion (30,32) and an asymmetrical threaded superconducting quantum interference device (34) connected to said at least one resonant portion (30,32) galvanically, said non-linear superconducting circuit having a first mode with a first resonant frequency and a second mode with a second resonant frequency, the ratio between said first resonant frequency and said second resonant frequency being different from ½, said at least one resonant portion (30,32) being configured with inductance and capacitance values of its symbolic representation which induce with said asymmetrical threaded superconducting quantum interference device (34) said first mode and said second mode such that, said non-linear superconducting quantum circuit has zero-point fluctuations of the superconducting phase across the asymmetrical threaded superconducting quantum interference device (34) for the first mode and the second mode which are superior or equal to 0.05 rad.

2. 发明公开

EP4383140A1 MINIMAL SUPERCONDUCTING QUANTUM CIRCUIT FOR BOSONIC CODES WITH GALVANIC COUPLING 审中-公开
公开(公告)号：EP4383140A1
公开(公告)日：2024-06-12
申请号：EP22306816.4
申请日：2022-12-07
申请人： Alice & Bob
发明人： ESSIG, Antoine , LESCANNE, Raphaël , JEZOUIN, Sébastien
IPC分类号： G06N10/40 , G06N10/70 , B82Y10/00
CPC分类号： G06N10/40 , B82Y10/00 , G06N10/70
摘要： A Non-linear superconducting quantum circuit comprising at least one resonant portion (30,32) and an asymmetrical threaded superconducting quantum interference device (34) connected galvanically, said non-linear superconducting quantum circuit having a first mode with a first resonant frequency and a second mode with a second resonant frequency, the ratio between said first resonant frequency and said second resonant frequency being different from ½, said at least one resonant portion (30,32) having a symbolic representation comprising a linear resonant portion (32) comprising at least one inductance (320) and at least one capacitor (322) and a non-linear resonant portion (30) comprising at least one capacitor (302) and said asymmetrical threaded superconducting quantum interference device (34), said linear resonant portion (30) and non-linear resonant portion (32) being connected galvanically and arranged respectively such that one has its elements connected in series, and the other one has its elements connected in parallel, said at least one resonant portion (30,32) being configured with inductance and capacitance values which induce with said asymmetrical threaded superconducting quantum interference device (34) said first mode (a) and said second mode (b) such that, said non-linear superconducting quantum circuit (100) has zero-point fluctuations of the superconducting phase across the asymmetrical threaded superconducting quantum interference device (34) for the first mode and the second mode which are superior or equal to 0.05 rad.

3. 发明公开

EP4170559A1 DISPOSITIF DE QUBIT SUPRACONDUCTEUR A ISOLATION ELECTROMAGNETIQUE 有权转让
公开(公告)号：EP4170559A1
公开(公告)日：2023-04-26
申请号：EP22202821.9
申请日：2022-10-20
申请人： Alice & Bob
发明人： JEZOUIN, Sébastien
IPC分类号： G06N10/40
摘要： Un dispositif de qubit supraconducteur à isolation électromagnétique comprenant un conducteur électrique (4) présentant une face (8) sensiblement plane et un conducteur magnétique artificiel (6) présentant une face (14) sensiblement plane en regard de la face (8) dudit conducteur électrique (4), et un ou plusieurs qubits (20) réalisés sur ou dans l'un dudit conducteur électrique (4) et dudit conducteur magnétique artificiel (6), les dimensions des éléments constituant le conducteur magnétique artificiel (6) et la distance séparant la face (8) dudit conducteur électrique (4) et la face (14) dudit conducteur magnétique artificiel (6) étant choisies de manière à réaliser une structure à bande électromagnétique interdite qui comprend les fréquences desdits qubits (20).

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