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WO/2022/018038A1 |
A method of fabricating a superconductor device includes providing a first metal layer on top of the substrate. An oxidation of a top surface of the first metal layer is rejected. A second metal layer is deposited on top of the first met...
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WO/2022/020361A1 |
A circuit device includes a semiconductor device (102, 202) and an impedance matching network (104, 204). The impedance matching network includes a superconductor material forming at least one inductor (112, 212) of the circuit device, a...
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WO/2022/020399A1 |
Compositions of matter and methods of identifying and making compositions of matter are disclosed. Some embodiments disclose making and chemically and/or compositionally tuning superconducting hydride materials. Some embodiments disclose...
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WO/2022/015577A1 |
A reservoir computer. In some embodiments, the reservoir computer includes a discrete element transmission line and a readout circuit. The discrete element transmission line may include a plurality of shunt-connected Josephson junctions ...
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WO/2022/012749A1 |
A method of fabricating a semiconductor device on a substrate comprises: forming a shadow wall on the substrate; subsequently growing a nanowire of semiconductor material on the substrate; and directionally depositing a layer of a furthe...
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WO/2022/008792A1 |
A quantum computing circuit comprises a first chip (301), with at least one qubit (303) thereon, and a second chip (302), with at least other quantum circuit element (304) than qubit thereon. Said first chip (301) and said second chip (3...
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WO/2022/003250A1 |
In accordance with an example embodiment, there is provided a system comprising at least one quasiparticle spin qubit, comprising at least one superconducting island (S), at least one insulating layer (I) and at least one normal conducto...
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WO/2022/003249A1 |
For resetting qubits (201-203) there are one or more quantum circuit refrigerators (204), each comprising a tunneling junction and a control input (209) for receiving a control signal. Photon-assisted single-electron tunneling takes plac...
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WO/2022/006114A1 |
A superconducting integrated circuit has a first superconducting device with a first superconducting loop, where the first superconducting loop has a first superconducting trace in a first layer of the superconducting integrated circuit,...
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WO/2021/259766A1 |
A method for improving lifetime and coherence time of a qubit in a quantum mechanical device includes providing a substrate having at least one qubit formed on the frontside, the at least one qubit having capacitor pads, and removing sub...
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WO/2021/262741A1 |
Methods of forming superconducting integrated circuits are discussed. The method includes depositing a first superconducting metal layer to overlie at least a portion of a substrate, depositing a dielectric layer to cover a first region ...
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WO/2021/259711A1 |
Devices and/or computer-implemented methods to facilitate a quantum gate between qubits using a tunable coupler and a capacitor device are provided. According to an embodiment, a quantum coupler device can comprise a tunable coupler coup...
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WO/2021/259712A1 |
Techniques for selectively tuning the operating frequency of superconducting Josephson junction resonators are provided which include chemically altering a Josephson junction (110) via a plasma treatment, preferably by masked exposure of...
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WO/2021/255055A1 |
A quantum system includes a qubit array comprising a plurality of qubits. A bus resonator is coupled between at least one pair of qubits in the qubit array. A switch is coupled between the at least one qubit pair of qubits.
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WO/2021/245948A1 |
Provided is a quantum device that is capable of improving cooling performance. This quantum device (1) comprises: a quantum chip (10) for performing information processing using quantum states; and an interposer (20) which has the quantu...
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WO/2021/248099A1 |
According to various implementations of the invention, high quality a-axis XBCO may be grown with low surface roughness. According to various implementations of the invention, low surface roughness may be obtained by: 1) adequate substra...
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WO/2021/245951A1 |
Provided are an oscillator and a quantum computer which are capable of suppressing the area occupied by a circuit. An oscillator (300) comprises: a resonator (100) provided with a plurality of loop circuits in which a first superconducti...
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WO/2021/245949A1 |
Provided is a quantum device which can inhibit a reduction in performance of quantum bits, even when a quantum chip is flip-chip mounted on an interposer. A quantum chip (10) is flip-chip mounted on an interposer (20) by bumps (30). A co...
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WO/2021/247878A1 |
Materials and methods are disclosed for fabricating superconducting integrated circuits for quantum computing at millikelvin temperatures, comprising both quantum circuits and classical control circuits, which may be located on the same ...
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WO/2021/242348A1 |
Systems and methods related to scheduling of tasks for execution in parallel based on geometric reach are described. An example method includes processing information pertaining to connectivity among superconducting components and nodes ...
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WO/2021/242346A1 |
The present disclosure relates to a method of manufacturing a nanowire structure. According to an exemplary process, a substrate is firstly provided. An intact buffer region is formed over the substrate, and a sacrificial top portion of ...
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WO/2021/242345A1 |
The present disclosure relates to a nanowire structure, which includes a substrate with a substrate body and an ion implantation region, a patterned mask with an opening over the substrate, and a nanowire. Herein, the substrate body is f...
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WO/2021/237362A1 |
An integrated circuit and a method for operating the integrated circuit to perform quantum analog computing. The integrated circuit comprises a plurality of qubits connected to each other, each qubit of the plurality of qubits comprising...
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WO/2021/235132A1 |
A quantum gate device 10 is provided with: a first superconducting circuit 11 which includes at least one Josephson element 111, 1121, 1122 in an annular circuit comprising a superconducting wire 115 and resonates at a first resonance fr...
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WO/2021/231224A1 |
Superconducting integrated circuits and methods of forming these circuits are discussed. One superconducting integrated circuit has a substrate and a control device formed by a layer of high kinetic inductance material overlying the subs...
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WO/2021/221238A1 |
An apparatus for manufacturing a high temperature superconductor, according to the present invention, comprises: a vacuum chamber; a plurality of deposition spaces partitioned by a partition member for each of deposition materials provid...
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WO/2021/204897A1 |
A superconducting device is described wherein the device comprises a substrate; a capacitor structure (604) and a superconducting inductor structure (602) disposed on the substrate, the capacitor structure an the superconducting inductor...
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WO/2021/197590A1 |
Side-gated semiconductor-superconductor hybrid devices One aspect provides semiconductor-superconductor hybrid device comprising a substrate (310), a first semiconductor component (312) arranged on the substrate (310), a superconductor c...
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WO/2021/197573A1 |
A method of fabricating semiconductor-superconductor nanowires, comprising: forming a first amorphous mask having first openings over trenches in a substrate (11); forming a monocrystalline conducting material (13) in the first openings ...
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WO/2021/191501A1 |
A cryogenic integrated circuit or integrated module (1201) comprises a travelling wave parametric amplifier or a Josephson parametric amplifier (1001). An oscillator (1004) is configured to produce an oscillating drive signal and to coup...
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WO/2021/194562A2 |
A semiconductor-superconductor hybrid structure includes a semiconductor layer and a superconductor heterostructure on the semiconductor layer. The superconductor heterostructure includes a first superconductor layer on the semiconductor...
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WO/2021/191306A1 |
A Josephson junction comprises superconducting electrodes (20) interconnected via an intermediate Josephson barrier (22), wherein the superconducting electrodes (20) and the intermediate Josephson barrier (22) are made out of the same ch...
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WO/2021/190939A1 |
The invention is notably directed to a method of operating a superconducting channel. The method relies on a device including: a potentially superconducting material; a gate electrode; and an electrically insulating medium. A channel is ...
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WO/2021/185521A1 |
According to an embodiment of the present invention, a quantum mechanical device includes a monolithic crystalline structure. The monolithic crystalline structure includes a first region doped to provide a first superconducting region, a...
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WO/2021/188193A1 |
A hybrid quantum system performs high-fidelity quantum state transduction between a superconducting (SC) microwave qubit and the ground state spin system of a solid-state artificial atom. This transduction is mediated via an acoustic bus...
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WO/2021/188211A2 |
A superconducting nanowire single photon detector (SNSPD) device includes a substrate having a top surface, an optical waveguide on the top surface of the substrate to receive light propagating substantially parallel to the top surface o...
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WO/2021/189062A1 |
Systems, methods, and apparatus for generating an ideal diamagnetic response are disclosed. A disclosed diamagnetic system includes a metal foil or a first substrate having at least one surface that is coated by a metallic layer (e.g., p...
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WO/2021/181059A1 |
A quantum interference device comprising: a superconducting loop interrupted by a gap; a normal conductor segment bridging the gap; an interferometer connected to the normal conductor segments; and a current source connected to the inter...
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WO/2021/180953A1 |
The invention relates to a method for producing a coating for a main part (2) with a coating. A first target (4) made of a first metal and a second target (5) made of a second metal are arranged in a vacuum chamber. A main part (2) to be...
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WO/2021/180146A1 |
A device for improving the excitation efficiency of a superconducting closed coil, belonging to the field of excitation of superconducting closed coils. The device comprises a segment of superconducting tape connected to an excitation su...
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WO/2021/175529A1 |
Devices, systems, and/or methods that can facilitate local heating of a superconducting flux biasing loop are provided. According to an embodiment, a device (100) can comprise a substrate (102) having a superconducting flux bias circuit ...
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WO/2021/175539A1 |
Method and device for treating an accelerator cavity surface by ion implantation. The invention relates to a technique for treating the surface of one or more accelerator cavities (C) of an accelerator module (M). This technique relies o...
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WO/2021/178562A1 |
In a general aspect, a superconducting quantum processing unit includes a first qubit device, a second qubit device, and a tunable floating coupler device coupled between the first and second qubit devices. Values of a coupling strength ...
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WO/2021/175530A1 |
Devices, systems, and/or methods that can facilitate local heating of a superconducting flux biasing loop are provided. According to an embodiment, a method can comprise forming on a substrate (102) a biasing loop (104) and a flux contro...
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WO/2021/178042A1 |
Qubit circuits having components formed deep in a substrate are described. The qubit circuits can be manufactured using existing integrated-circuit technologies. By forming components such as superconducting current loops, inductive, and...
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WO/2021/173232A1 |
A method for manufacturing a nanowire, particularly of semiconductor material such as InAs or InSb, includes providing a sacrificial substrate, providing a patterned mask layer thereon, providing a nanowire through an opening in the patt...
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WO/2021/170252A1 |
A semiconductor-superconductor hybrid device comprises a semiconductor component and a superconductor component arranged over the semiconductor component, The superconductor component comprises a continuous portion of a superconductor ma...
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WO/2021/168010A1 |
A method of fabricating a device including a superconductive layer includes depositing a seed layer on a substrate, exposing the seed layer to an oxygen-containing gas or plasma to form a modified seed layer, and after exposing the seed ...
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WO/2021/165577A1 |
An airbridge (113) implements connections on a superconducting chip. It comprises a strip of superconductive material between a first superconductive area (104) and a second superconductive area (105). A first end of said strip comprises...
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WO/2021/168007A1 |
A superconducting device includes a substrate, a metal oxide or metal oxynitride seed layer on the substrate, and a metal nitride superconductive layer disposed directly on the seed layer. The seed layer is an oxide or oxynitride of a fi...
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