Four-input Josephson gates
JR Powell III, AL Braun - US Patent 10,103,736, 2018 - Google Patents
An reciprocal quantum logic (RQL) gate circuit has a first stage having four logical inputs
asserted based on receiving positive single flux quantum (SFQ) pulses and storing the SFQ …
asserted based on receiving positive single flux quantum (SFQ) pulses and storing the SFQ …
Low-power biasing networks for superconducting integrated circuits
A superconducting integrated circuit, comprising a plurality of superconducting circuit
elements, each having a variation in operating voltage over time; a common power line; and …
elements, each having a variation in operating voltage over time; a common power line; and …
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 …
Superconductive gate system
AY Herr, QP Herr - US Patent 9,455,707, 2016 - Google Patents
BACKGROUND In the field of digital logic, extensive use is made of well known and highly
developed CMOS (complimentary metal oxide semiconductor) technology. As CMOS has …
developed CMOS (complimentary metal oxide semiconductor) technology. As CMOS has …
Fault tolerant syndrome extraction and decoding in Bacon-Shor quantum error correction
Systems and methods are provided for quantum error cor rection. A quantum system
includes an array of qubits configured to store an item of quantum information. The array of …
includes an array of qubits configured to store an item of quantum information. The array of …
Phase-mode based superconducting logic
D Carmean, A Braun, AY Herr, QP Herr - US Patent 9,543,959, 2017 - Google Patents
A device including Josephson junctions, and a terminal for receiving a sinusoidal clock
signal for providing power to the Josephson junctions, is provided. The device further …
signal for providing power to the Josephson junctions, is provided. The device further …
Reciprocal quantum logic comparator for qubit readout
DL Miller, O Naaman - US Patent 9,355,364, 2016 - Google Patents
One aspect of the present invention includes a reciprocal quantum logic (RQL) readout
system. The system includes an input stage on which a read pulse is provided and an output …
system. The system includes an input stage on which a read pulse is provided and an output …
Josephson current source systems and method
O Naaman, QP Herr - US Patent 9,780,765, 2017 - Google Patents
One embodiment describes a Josephson current source sys tem. The system includes a flux-
shuttle loop that is induc tively coupled with an AC input signal. The flux-shuttle loop …
shuttle loop that is induc tively coupled with an AC input signal. The flux-shuttle loop …
Phase-mode based superconducting logic
D Carmean, A Braun, AY Herr, QP Herr - US Patent 9,887,700, 2018 - Google Patents
A device including Josephson junctions, and a terminal for receiving a sinusoidal clock
signal for providing power to the Josephson junctions, is provided. The device further …
signal for providing power to the Josephson junctions, is provided. The device further …
Superconducting phase-shift system
O Naaman, MO Abutaleb - US Patent 9,509,274, 2016 - Google Patents
One example includes a Superconducting phase-shift sys tem. The system includes an all-
pass filter comprising at least one variable inductance element. The all-pass filter can be …
pass filter comprising at least one variable inductance element. The all-pass filter can be …