Superconductor-to-insulator devices

F Najafi - US Patent 11,832,532, 2023 - Google Patents
A device includes a superconductor layer and a piezoelectric layer positioned adjacent to
the superconductor layer. The piezoelectric layer is configured to apply a first strain to the …

Photon number resolving superconducting detector

F Najafi, E Dudley, M Thompson - US Patent 11,313,719, 2022 - Google Patents
A photon detector is provided. The photon detector includes a superconducting wire having
a plurality of alternating narrow and wide portions; a current source electrically-coupled to …

Superconducting nanowire single photon detector and method of fabrication thereof

CJ Chung, F Najafi, G Kovall, VR Manfrinato… - US Patent …, 2022 - Google Patents
A superconductor device is manufactured by depositing a barrier layer over a substrate
including silicon, the barrier layer including silicon and nitrogen; depositing a seed layer for …

Superconducting photon detector

M Thompson, F Najafi - US Patent 12,061,114, 2024 - Google Patents
The various embodiments described herein include methods, devices, and systems for
fabricating and operating superconducting photon detectors. In one aspect, a photon …

Photon number resolving superconducting detector

F Najafi, E Dudley, M Thompson - US Patent 11,629,995, 2023 - Google Patents
3.283. 282 4336, 561 4365317 4,509, 146 4,647,954 4989051 5026682 5, 030614 5,
030617 5,041.880 5,051,787 5, 053383 5, 127928 5,173,620 5.219, 826 5, 247475 …

Methods and devices for impedance multiplication

F Najafi, QJ Stone - US Patent 12,107,375, 2024 - Google Patents
An electric circuit includes a first superconducting component, a second superconducting
component, a first electrically-insulating component that thermally couples the first …

Superconducting signal amplifier

F Najafi, S Ziai, QJ Stone - US Patent 12,015,383, 2024 - Google Patents
A system includes a plurality of superconducting wires connected in parallel with one
another. The plurality of superconducting wires includes a first superconducting wire and a …

Superconducting photon detector

M Thompson, F Najafi - US Patent 11,473,974, 2022 - Google Patents
The various embodiments described herein include methods, devices, and systems for
fabricating and operating superconducting photon detectors. In one aspect, a photon …

Superconducting switch

F Najafi, QJ Stone - US Patent 11,569,816, 2023 - Google Patents
Superconductors are materials capable of operating in a superconducting state with zero
electrical impedance under particular conditions. Additionally, in some circumstances …

Superconducting device with asymmetric impedance

F Najafi - US Patent 11,380,731, 2022 - Google Patents
An electronic component having an asymmetric impedance is provided. The component
includes first, second and third branches that connect at a common node. The component …