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公开(公告)号：US20240303522A1
公开(公告)日：2024-09-12
申请号：US18273753
申请日：2022-01-25
Applicant: Psiquantum, Corp.
Inventor： Andrew Doherty , Mercedes Gimeno-Segovia , Daniel Litinski , Naomi Nickerson , Mihir Pant , Terence Rudolph , Christopher Sparrow
Abstract: Circuits are provided that create entanglement among qubits having Gottesman-Kitaev-Preskill (GKP) encoding using photonic systems and structures. For example, networks of beam splitters and homodyne measurement circuits can be used to perform projective entangling measurements on GKP qubits from different quantum systems. In some embodiments. GKP qubits can be used to implement quantum computations using fusion-based quantum computing or other fault-tolerant quantum computing approaches.
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公开(公告)号：US20240303521A1
公开(公告)日：2024-09-12
申请号：US18273745
申请日：2022-01-24
Applicant: Psiquantum, Corp.
Inventor： Mercedes Gimeno-Segovia , Terence Rudolph , Mihir Pant , Hector Bombin Palomo , Naomi Nickerson
IPC: G06N10/40
CPC classification number: G06N10/40
Abstract: According to some embodiments, a system includes a first input coupled to a first qubit and a first switch, wherein the first switch includes a first output, a second output, and a third output. The system further includes a first single qubit measuring device coupled to the first output of the first switch and a second single qubit measuring device coupled to a first output of a second switch. The system further includes a first two qubit measuring device coupled to the second output of the first switch and a second output of the second switch and a second two qubit measuring device coupled to the third output of the first switch and a third output of the second switch.
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公开(公告)号：US20250053843A1
公开(公告)日：2025-02-13
申请号：US18722551
申请日：2022-12-23
Applicant: Psiquantum, Corp.
Inventor： Mihir Pant
Abstract: A quantum repeater circuit can include a resource state interconnect circuit that outputs one resource state per clock cycle, with each resource state having a number of entangled qubits. The circuit can also include circuits and delay lines to perform entangling measurement operations on qubits of resource states generated by the same resource state generator in different clock cycles. The circuit can be operated as a quantum repeater that receives an encoded logical qubit and produces a reduced-noise version of the encoded logical qubit.
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公开(公告)号：US11475347B1
公开(公告)日：2022-10-18
申请号：US16689964
申请日：2019-11-20
Applicant: PSIQUANTUM CORP.
Inventor： Terence Rudolph , Mihir Pant
Abstract: A method of fusing qubits includes providing, to a Hadamard gate: a first qubit; a second qubit; and a Bell pair comprising a fourth qubit that is entangled with a fifth qubit. The method further includes determining whether the Hadamard gate was successful in producing a fused qubit. The method further includes in accordance with the determination that the Hadamard gate was successful in producing fused qubit, outputting the fused qubit.
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公开(公告)号：US11308416B2
公开(公告)日：2022-04-19
申请号：US17216450
申请日：2021-03-29
Applicant: PsiQuantum, Corp.
Inventor： Mihir Pant , Naomi Nickerson , Hector Bombin Palomo
Abstract: A quantum computing system and methods for performing fusion based quantum computing on encoded qubits. A fusion controller sequentially performs a series of fusion measurements on respective physical qubits of first and second encoded qubits to obtain a respective series of classical measurement results. For respective fusion measurements of the series of fusion measurements, a basis for performing the respective fusion measurement is selected based on classical measurement results of previous fusion measurements. An encoded fusion measurement result is determined based on the classical measurement results, and the encoded fusion measurement result is stored in a memory medium.
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Patent Agency Ranking
公开(公告)号：US20220261677A1
公开(公告)日：2022-08-18
申请号：US17725790
申请日：2022-04-21
Applicant: PsiQuantum, Corp.
Inventor： Mihir Pant
Abstract: A quantum computing system and methods for performing fault-tolerant quantum computing. A fusion controller sequentially performs a series of fusion measurements on different fusion sites of a plurality of fusion sites to obtain a respective series of classical measurement results. The series of fusion measurements is performed on quantum modes of a logical qubit. For respective fusion measurements of the series of fusion measurements, a basis for performing the respective fusion measurement is selected based on classical measurement results of previous fusion measurements. The series of classical measurement results are in the memory medium.
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公开(公告)号：US20220156625A1
公开(公告)日：2022-05-19
申请号：US17530949
申请日：2021-11-19
Applicant: Psiquantum, Corp.
Inventor： Mihir Pant
IPC: G06N10/00
Abstract: An entangled quantum system can be generated using entanglement-generating circuits that operate non-deterministically. Multiple instances of the entanglement generating circuit can be operated and outputs of successful instances can be propagated. The circuit can be implemented such that a photon that is part of the final output state passes through as few as one or two active switches from generation to the final output state.
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公开(公告)号：US20210304052A1
公开(公告)日：2021-09-30
申请号：US17216428
申请日：2021-03-29
Applicant: PsiQuantum, Corp.
Inventor： Mihir Pant
Abstract: A quantum computing system and methods for performing fault-tolerant quantum computing. A fusion controller sequentially performs a series of fusion measurements on different fusion sites of a plurality of fusion sites to obtain a respective series of classical measurement results. The series of fusion measurements is performed on quantum modes of a logical qubit. For respective fusion measurements of the series of fusion measurements, a basis for performing the respective fusion measurement is selected based on classical measurement results of previous fusion measurements. The series of classical measurement results are in the memory medium.
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公开(公告)号：US12026587B2
公开(公告)日：2024-07-02
申请号：US17725790
申请日：2022-04-21
Applicant: PsiQuantum, Corp.
Inventor： Mihir Pant
CPC classification number: G06N10/00 , G06F11/1004 , G06N3/08 , G06F3/0604 , G06F3/0659 , G06F3/0679 , H10N99/05
Abstract: A quantum computing system and methods for performing fault-tolerant quantum computing. A fusion controller sequentially performs a series of fusion measurements on different fusion sites of a plurality of fusion sites to obtain a respective series of classical measurement results. The series of fusion measurements is performed on quantum modes of a logical qubit. For respective fusion measurements of the series of fusion measurements, a basis for performing the respective fusion measurement is selected based on classical measurement results of previous fusion measurements. The series of classical measurement results are in the memory medium.
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公开(公告)号：US20220237494A1
公开(公告)日：2022-07-28
申请号：US17722847
申请日：2022-04-18
Applicant: PsiQuantum, Corp.
Inventor： Mihir Pant , Naomi Nickerson , Hector Bombin Palomo
Abstract: A quantum computing system and methods for performing fusion based quantum computing on encoded qubits. A fusion controller sequentially performs a series of fusion measurements on respective photonic quantum modes of first and second encoded qubits to obtain a respective series of classical measurement results. For respective fusion measurements of the series of fusion measurements, a basis for performing the respective fusion measurement is selected based on classical measurement results of previous fusion measurements. An encoded fusion measurement result is determined based on the classical measurement results, and the encoded fusion measurement result is stored in a memory medium.
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