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公开(公告)号：US10677985B2
公开(公告)日：2020-06-09
申请号：US16231022
申请日：2018-12-21
Applicant: PsiQuantum Corp.
Inventor： Naomi Nickerson , Damien Bonneau , Terence Rudolph
Abstract: A device (e.g., a photonic multiplexer) is provided that includes a plurality of first switches. Each first switch in the plurality of first switches includes a plurality of first channels. Each first switch is configured to shift photons in the plurality of first channels by zero or more channels, based on first configuration information provided to the first switch. The device further includes a plurality of second switches. Each second switch includes a plurality of second channels. Each second channel is coupled with a respective first channel from a distinct first switch of the plurality of first switches. Each second switch is configured to shift photons in the plurality of second channels by zero or more channels, based on second configuration information provided to the second switch.
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公开(公告)号：US12253720B2
公开(公告)日：2025-03-18
申请号：US18241784
申请日：2023-09-01
Applicant: PSIQUANTUM CORP.
Inventor： Naomi Nickerson , Damien Bonneau , Terence Rudolph
Abstract: A device (e.g., a photonic multiplexer) is provided that includes a plurality of first switches. Each first switch in the plurality of first switches includes a plurality of first channels. Each first switch is configured to shift photons in the plurality of first channels by zero or more channels, based on first configuration information provided to the first switch. The device further includes a plurality of second switches. Each second switch includes a plurality of second channels. Each second channel is coupled with a respective first channel from a distinct first switch of the plurality of first switches. Each second switch is configured to shift photons in the plurality of second channels by zero or more channels, based on second configuration information provided to the second switch.
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公开(公告)号：US20240405888A1
公开(公告)日：2024-12-05
申请号：US18695804
申请日：2022-09-28
Applicant: PSIQUANTUM, CORP.
Inventor： Terence Rudolph , Hugo Cable
Abstract: Circuits and methods can implement reconfigurable spatial rearrangement (also referred to as “spatial multiplexing”) for a group of photons propagating in waveguides. For instance, two sets of small optical multiplexer circuits (such as two sets of 2×2 optical multiplexer circuits or two sets of 3×3 optical multiplexer circuits) can be used to rearrange a pattern of photons on a first set of waveguides into a usable input pattern for a downstream optical circuit.
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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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Patent Agency Ranking
公开(公告)号：US12056572B2
公开(公告)日：2024-08-06
申请号：US17013192
申请日：2020-09-04
Applicant: PSIQUANTUM CORP.
Inventor： Naomi Nickerson , Terence Rudolph
Abstract: A method for obtaining a plurality of entangled qubits represented by a lattice structure that includes a plurality of contiguous lattice cells. A respective edge of a respective lattice cell corresponds to one or more edge qubits, and a respective face of the respective lattice cell corresponding to one or more face qubits. Each face qubit is entangled with adjacent edge qubits. A first face of the respective lattice cell corresponds to two or more face qubits, and/or a first edge corresponds to two or more edge qubits. A device for obtaining the plurality of entangled qubits represented by the above-described lattice structure is also described.
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公开(公告)号：US11646803B2
公开(公告)日：2023-05-09
申请号：US17227192
申请日：2021-04-09
Applicant: Psiquantum, Corp.
Inventor： Terence Rudolph , Hugo Cable
CPC classification number: H04B10/70 , G02B6/12016 , G02F3/00 , G02B2006/12152 , G02B2006/12159 , G02B2006/12164 , G06E1/00
Abstract: An expanded Bell state generator can generate a Bell state on four output modes of a set of m output modes, where m is greater than four. Some expanded Bell state generators can receive inputs on any four of a set of 2m input modes. Subsets of the m output modes can be multiplexed to reduce the number of modes to four. According to some embodiments, a set of 2×2 muxes can be used to rearrange the output modes prior to reducing the number of modes.
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公开(公告)号：US20210325605A1
公开(公告)日：2021-10-21
申请号：US17227192
申请日：2021-04-09
Applicant: Psiquantum, Corp.
Inventor： Terence Rudolph , Hugo Cable
Abstract: An expanded Bell state generator can generate a Bell state on four output modes of a set of m output modes, where m is greater than four. Some expanded Bell state generators can receive inputs on any four of a set of 2m input modes. Subsets of the m output modes can be multiplexed to reduce the number of modes to four. According to some embodiments, a set of 2×2 muxes can be used to rearrange the output modes prior to reducing the number of modes.
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公开(公告)号：US11126062B1
公开(公告)日：2021-09-21
申请号：US16691459
申请日：2019-11-21
Applicant: PSIQUANTUM CORP.
Inventor： Konrad Kieling , Terence Rudolph , Mercedes Gimeno-Segovia
Abstract: A method of generating an m photon entangled state includes inputting a photon into each of a first plurality of modes including first and second pairs of modes. The first plurality of modes is coupled with a second plurality of modes. Zero or more photons are detected in the second plurality of modes. The method includes, when more than m photons remain in the first plurality of modes: detecting zero or more photons in a third plurality of modes coupled with the first plurality of modes; determining, based on a number of photons detected, whether the photons remaining in the first plurality of modes are in the entangled state. The method includes, when the photons remaining in the first plurality of modes after the second detection operation are in the entangled state, outputting the photons remaining in the first plurality of modes.
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公开(公告)号：US12099900B2
公开(公告)日：2024-09-24
申请号：US17808979
申请日：2022-06-24
Applicant: Psiquantum, Corp.
Inventor： Mercedes Gimeno-Segovia , Terence Rudolph , Naomi Nickerson
IPC: G06N10/00
CPC classification number: G06N10/00
Abstract: A method includes receiving a plurality of quantum systems, wherein each quantum system of the plurality of quantum system includes a plurality of quantum sub-systems in an entangled state, and wherein respective quantum systems of the plurality of quantum systems are independent quantum systems that are not entangled with one another. The method further includes performing a plurality of joint measurements on different quantum sub-systems from respective ones of the plurality of quantum systems, wherein the joint measurements generate joint measurement outcome data and determining, by a decoder, a plurality of syndrome graph values based on the joint measurement outcome data.
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