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Application US20190319330
Published 2019-10-17
Superconducting Resonator To Limit Vertical Connections In Planar Quantum Devices
A set of superconducting devices is interconnected in a lattice that is fabricated in a single two-dimensional plane of fabrication such that a superconducting connection can only reach a first superconducting device in the set while remaining in the plane by crossing a component of a second superconducting device that is also located in the plane. A superconducting coupling device having a span and a clearance height is formed in the superconducting connection of the first superconducting device. A section of the superconducting coupling device is separated from the component of the second superconducting device by the clearance in a parallel plane. A potential of a first ground plane on a first side of the component is equalized with a second ground plane on a second side of the component using the superconducting coupling device.
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- 1. A superconducting coupling device comprising:
a superconducting coupler comprising a superconducting connection between a first superconducting device fabricated in a plane and a second superconducting device fabricated in the place, wherein a section of the superconducting coupler lies in a parallel plane at a clearance from the plane; a first ground plane on a first side of a component of the second superconducting device; a second ground plane on a second side of the component of the second superconducting device; and an equalizing structure, wherein the equalizing structure equalizes a potential of the first ground plane with a potential of the second ground plane.
- 10. A method comprising:
forming a superconducting coupler comprising a superconducting connection between a first superconducting device fabricated in a plane and a second superconducting device fabricated in the place, wherein a section of the superconducting coupler lies in a parallel plane at a clearance from the plane; forming a first ground plane on a first side of a component of the second superconducting device; forming a second ground plane on a second side of the component of the second superconducting device; and forming an equalizing structure, wherein the equalizing structure equalizes a potential of the first ground plane with a potential of the second ground plane.
- 19. A superconductor fabrication system comprising a lithography component, the superconductor fabrication system when operated on a die to fabricate a superconductor device performing operations comprising:
forming a superconducting coupler comprising a superconducting connection between a first superconducting device fabricated in a plane and a second superconducting device fabricated in the place, wherein a section of the superconducting coupler lies in a parallel plane at a clearance from the plane; forming a first ground plane on a first side of a component of the second superconducting device; forming a second ground plane on a second side of the component of the second superconducting device; and forming an equalizing structure, wherein the equalizing structure equalizes a potential of the first ground plane with a potential of the second ground plane.
