System and method for cryogenic hybrid technology computing and memory
(57) ABSTRACT A system and method for high-speed, low-power cryogenic computing are
presented, comprising ultrafast energy-effi cient RSFQ Superconducting computing circuits …
presented, comprising ultrafast energy-effi cient RSFQ Superconducting computing circuits …
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 …
the superconductor layer. The piezoelectric layer is configured to apply a first strain to the …
Superconducting signal amplifier
F Najafi, S Ziai, QJ Stone - US Patent 10,897,235, 2021 - Google Patents
(57) ABSTRACT A system includes a first superconducting wire and a second
superconducting wire connected in parallel. The system includes a first current source …
superconducting wire connected in parallel. The system includes a first current source …
Superconducting field-programmable gate array
F Najafi - US Patent 10,944,403, 2021 - Google Patents
The various embodiments described herein include methods, devices, and systems for
operating superconducting cir cuitry. In one aspect, a programmable circuit includes:(1) a …
operating superconducting cir cuitry. In one aspect, a programmable circuit includes:(1) a …
Superconductive memory cells and devices
F Najafi - US Patent 10,984,857, 2021 - Google Patents
An electronic device (eg, a superconducting memory cell) includes a substrate and a layer of
superconducting material disposed over the substrate. The layer of superconducting …
superconducting material disposed over the substrate. The layer of superconducting …
Superconducting nanowire single photon detector and method of fabrication thereof
CJ Chung, F Najafi, G Kovall, VR Manfrinato… - US Patent …, 2021 - Google Patents
A superconductor device according to some embodiments comprises a superconductor
stack, which includes a superconductor layer and a silicon cap layer over the …
stack, which includes a superconductor layer and a silicon cap layer over the …
Superconducting field-programmable gate array
F Najafi, QJ Stone - US Patent 10,879,905, 2020 - Google Patents
The various embodiments described herein include methods, devices, and systems for
operating superconducting cir cuitry. In one aspect, a programmable circuit includes:(1) a …
operating superconducting cir cuitry. In one aspect, a programmable circuit includes:(1) a …
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 …
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 …
including silicon, the barrier layer including silicon and nitrogen; depositing a seed layer for …
Fiber optical superconducting nanowire single photon detector
(57) ABSTRACT A fiber optical Superconducting nanowire detector with increased detector
efficiency, fabricated directly on the tip of the input optical fiber. The fabrication on the tip of …
efficiency, fabricated directly on the tip of the input optical fiber. The fabrication on the tip of …