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公开(公告)号：US12020116B2
公开(公告)日：2024-06-25
申请号：US17054284
申请日：2019-05-06
Applicant: D-WAVE SYSTEMS INC.
Inventor： Emile M. Hoskinson , Reuble Mathew
CPC classification number: G06N10/00 , G06N3/044 , H03M1/66 , B82Y10/00 , G06N10/40 , G06N10/60 , H03K3/30 , H03K3/38
Abstract: Devices, systems, and methods that include a qubit coupled to a projective-source digital-to-analog converter (PSDAC) for projective measurement of the qubit. A change in flux state of the PSDAC from a first flux state to a second flux state generates a fast-flux step or fast-step waveform that can be applied to the qubit to perform projective measurement of the qubit. For a quantum processor that includes a set of qubits wherein each qubit is coupled to a respective PSDAC, a shared trigger line can activate each PSDAC to generate a respective fast-flux step or fast-step waveform. Synchronization devices can synchronize the fast-flux steps or fast-step waveforms, allowing for projective readout of the set of qubits.
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公开(公告)号：US20210248506A1
公开(公告)日：2021-08-12
申请号：US17054284
申请日：2019-05-06
Applicant: D-WAVE SYSTEMS INC.
Inventor： Emile M. Hoskinson , Reuble Mathew
Abstract: Devices, systems, and methods that include a qubit coupled to a projective-source digital-to-analog converter (PSDAC) for projective measurement of the qubit. A change in flux state of the PSDAC from a first flux state to a second flux state generates a fast-flux step or fast-step waveform that can be applied to the qubit to perform projective measurement of the qubit. For a quantum processor that includes a set of qubits wherein each qubit is coupled to a respective PSDAC, a shared trigger line can activate each PSDAC to generate a respective fast-flux step or fast-step waveform. Synchronization devices can synchronize the fast-flux steps or fast-step waveforms, allowing for projective readout of the set of qubits.
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