SYSTEM AND METHOD OF FLUX BIAS FOR SUPERCONDUCTING QUANTUM CIRCUITS

SYSTEM AND METHOD OF FLUX BIAS FOR SUPERCONDUCTING QUANTUM CIRCUITS

Quantum computing systems require methods to control energies of qubits and couplers for quantum operations. Flux biasing of qubits and quantum couplers is provided for a superconducting quantum computer using single-flux-quantum (SFQ) technology. This method is applicable to a wide range of superco...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: KIRICHENKO, Alexander, KATAM, Naveen Kumar, JORDAN, Caleb, TRUITT, Patrick, MUKHANOV, Oleg A, SALIM, Amir Jafari
Format: Patent
Sprache:eng
Schlagworte:
BASIC ELECTRIC ELEMENTS
CALCULATING
COMPUTER SYSTEMS BASED ON SPECIFIC COMPUTATIONAL MODELS
COMPUTING
COUNTING
ELECTRICITY
INDUCTANCES
MAGNETS
PHYSICS
SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
TRANSFORMERS
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Beschreibung
Zusammenfassung:Quantum computing systems require methods to control energies of qubits and couplers for quantum operations. Flux biasing of qubits and quantum couplers is provided for a superconducting quantum computer using single-flux-quantum (SFQ) technology. This method is applicable to a wide range of superconducting qubit structures and couplers, including transmons, fluxoniums, flux qubits, phase qubits and other superconducting qubits. This method enables arbitrary-amplitude time-varying flux biasing of qubits and couplers, due to a sequence of high-speed SFQ pulses. Several preferred embodiments are disclosed which provide high-fidelity control of fast single-qubit and multi-qubit operations.