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公开(公告)号：US12253684B2
公开(公告)日：2025-03-18
申请号：US18377939
申请日：2023-10-09
Applicant: Xanadu Quantum Technologies Inc.
Inventor： Krishnakumar Sabapathy , Haoyu Qi , Joshua Abe Izaac , Christian Weedbrook , Daiqin Su , Casey Myers
Abstract: An apparatus includes an optical circuit having at least one reconfigurable beamsplitter and is configured to receive a plurality of input optical modes in a Gaussian state and generate a plurality of output optical modes. The apparatus also includes at least one detector optically coupled with the optical circuit and configured to perform a non-Gaussian measurement of a first output optical mode from the plurality of output optical modes. The non-Gaussian measurement of the first output optical mode is configured to cause a second output optical mode from the plurality of output optical modes to be in a first non-Gaussian state. The apparatus also includes a controller operatively coupled to the optical circuit and configured to change a setting of the at least one reconfigurable beamsplitter to cause the second output optical mode from the plurality of output optical modes to be in a second non-Gaussian state.
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Patent Agency Ranking
公开(公告)号：US11815696B1
公开(公告)日：2023-11-14
申请号：US16997601
申请日：2020-08-19
Applicant: Xanadu Quantum Technologies Inc.
Inventor： Krishnakumar Sabapathy , Haoyu Qi , Joshua Abe Izaac , Christian Weedbrook , Daiqin Su , Casey Myers
CPC classification number: G02B27/0927 , G02F1/0121 , G02F2201/58
Abstract: An apparatus includes an optical circuit having at least one reconfigurable beamsplitter and is configured to receive a plurality of input optical modes in a Gaussian state and generate a plurality of output optical modes. The apparatus also includes at least one detector optically coupled with the optical circuit and configured to perform a non-Gaussian measurement of a first output optical mode from the plurality of output optical modes. The non-Gaussian measurement of the first output optical mode is configured to cause a second output optical mode from the plurality of output optical modes to be in a first non-Gaussian state. The apparatus also includes a controller operatively coupled to the optical circuit and configured to change a setting of the at least one reconfigurable beamsplitter to cause the second output optical mode from the plurality of output optical modes to be in a second non-Gaussian state.
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公开(公告)号：US11454862B2
公开(公告)日：2022-09-27
申请号：US16719028
申请日：2019-12-18
Applicant: Xanadu Quantum Technologies Inc.
Inventor： Kamil Bradler , Daiqin Su , Zachary Vernon , Lukas Helt , Ish Dhand
Abstract: An apparatus includes a plurality of interconnected reconfigurable beam splitters and a plurality of phase shifters collectively configured to define a network of optical devices. The network of optical devices is configured to perform a universal transformation on a plurality of input optical signals via a triangular architecture. The apparatus also includes a first delay line optically coupled to the network of optical devices and configured to send at least one output optical signal from a plurality of output optical signals of the network of optical devices to interact with at least one input optical signal in the plurality of input optical signals within the network of optical devices.
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公开(公告)号：US12140989B2
公开(公告)日：2024-11-12
申请号：US17037234
申请日：2020-09-29
Applicant: Xanadu Quantum Technologies Inc.
Inventor： Ish Dhand , Shreya Prasanna Kumar , Daiqin Su , Kamil Bradler
Abstract: An apparatus includes a first optical circuit and a second optical circuit. The first optical circuit has a network of interconnected interferometers to perform an M-mode universal transformation on N input optical modes that are divided into (M−1) groups of pulses. The first optical circuit also includes M input ports. Each input port of a first (M−1) input ports is configured to receive a corresponding group of pulses in the (M−1) groups of pulses. The first optical circuit also includes M output ports and a first delay line to couple an Mth output port with an Mth input port. The second optical circuit includes a network of beamsplitters and swap gates to perform a (2M−3)-mode residual transformation. The first optical circuit and the second optical circuit are configured to perform an arbitrary N-mode unitary transformation to the N input optical modes via a rectangular architecture.
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公开(公告)号：US11972323B2
公开(公告)日：2024-04-30
申请号：US18102402
申请日：2023-01-27
Applicant: Xanadu Quantum Technologies Inc.
Inventor： Kamil Bradler , Daiqin Su , Nathan Killoran , Maria Schuld , Zachary Vernon , Lukas Helt , Blair Morrison , Dylan Mahler
IPC: G06N10/00
CPC classification number: G06N10/00
Abstract: An apparatus includes a light source to provide a plurality of input optical modes in a squeezed state. The apparatus also includes a network of interconnected reconfigurable beam splitters (RBSs) configured to perform a unitary transformation of the plurality of input optical modes to generate a plurality of output optical modes. An array of photon counting detectors is in optical communication with the network of interconnected RBSs and configured to measure the number of photons in each mode of the plurality of the output optical modes after the unitary transformation. The apparatus also includes a controller operatively coupled to the light source and the network of interconnected RBSs. The controller is configured to control at least one of the squeezing factor of the squeezed state of light, the angle of the unitary transformation, or the phase of the unitary transformation.
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公开(公告)号：US11593699B2
公开(公告)日：2023-02-28
申请号：US17512086
申请日：2021-10-27
Applicant: Xanadu Quantum Technologies Inc.
Inventor： Kamil Bradler , Daiqin Su , Nathan Killoran , Maria Schuld , Zachary Vernon , Lukas Helt , Blair Morrison , Dylan Mahler
IPC: G06N10/00
Abstract: An apparatus includes a light source to provide a plurality of input optical modes in a squeezed state. The apparatus also includes a network of interconnected reconfigurable beam splitters (RBSs) configured to perform a unitary transformation of the plurality of input optical modes to generate a plurality of output optical modes. An array of photon counting detectors is in optical communication with the network of interconnected RBSs and configured to measure the number of photons in each mode of the plurality of the output optical modes after the unitary transformation. The apparatus also includes a controller operatively coupled to the light source and the network of interconnected RBSs. The controller is configured to control at least one of the squeezing factor of the squeezed state of light, the angle of the unitary transformation, or the phase of the unitary transformation.
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