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公开(公告)号：US20240280879A1
公开(公告)日：2024-08-22
申请号：US18689121
申请日：2022-08-25
Applicant: CORNING INCORPORATED
Inventor： Nikolay Alekseyevich Kaliteevskiy , Fedor Dmitrievich Kiselev , Petr Mikhaylovich Sterlingov
IPC: G02F3/00
CPC classification number: G02F3/00
Abstract: A linear optical CZ-gate includes an A1 optical channel having an A1 input end and an A1 output end, an A2 optical channel having an A2 input end and an A2 output end, wherein a first quantum memory is optically coupled to the A2 optical channel, a B1 optical channel having a B1 input end and a B1 output end, wherein a second quantum memory is optically coupled to the B1 optical channel. The A2 optical channel and the B1 optical channel converge at a common optical channel downstream the first quantum memory and the second quantum memory, a nonlinear sign gate optically coupled to the common optical channel, and a B2 optical channel comprising a B2 input end and a B2 output end.
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2.发明授权公开(公告)号：US11290192B2
公开(公告)日：2022-03-29
申请号：US16967291
申请日：2019-02-08
Applicant: CORNING INCORPORATED
Abstract: A quantum key generation system intended to mitigate the effect of the dead time of the photon detectors, the system including a photon generator, a photon pathway, a channel switch, and a photon detector unit. The photon pathway optically couples the photon generator and the channel switch. The channel switch is disposed between and optically coupled to the photon pathway and the photon detector unit. The photon detector unit includes a plurality of photon detectors and a plurality of detector unit sub-channels. Each detector unit sub-channel of the plurality of detector unit sub-channels optically couples the channel switch with an individual photon detector of the plurality of photon detectors. The channel switch is actuatable between a plurality of optical engagement positions. Further, each optical engagement position of the channel switch optically couples the photon pathway with a photon detector of the plurality of photon detectors. A plurality of quantum memories may be respectively placed between the switch and the plurality of photon detectors.
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公开(公告)号：US20230236846A1
公开(公告)日：2023-07-27
申请号：US18011224
申请日：2021-06-17
Applicant: CORNING INCORPORATED
CPC classification number: G06F9/44505 , G06N10/40
Abstract: A quantum computing system that includes a reconfigurable quantum processing unit optically coupled to a photon source and a photon detector and having a plurality of Mach-Zehnder interferometers (MZIs), and a controller communicatively coupled to the plurality of MZIs and configured to generate a control signal to alter a phase setting of at least one of the plurality of MZIs and the plurality of MZIs are configured to alter a phase of one or more photons that traverse the plurality of MZIs. In addition, the quantum computing system includes a quantum memory array having a plurality of quantum memories optically coupled to the plurality of MZIs, where each quantum memory is configured to absorb a photon received by the quantum memory, the received photon including quantum information, and release a photon including the quantum information of the received photon into the reconfigurable quantum processing unit.
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公开(公告)号：US20220278757A1
公开(公告)日：2022-09-01
申请号：US17632260
申请日：2020-07-30
Applicant: CORNING INCORPORATED
Inventor： Nikolay Alekseyevich Kaliteevskiy , Michal Mlejnek
IPC: H04B10/70
Abstract: A photon number resolving detector system includes a photon source positioned at an input end, first and second photon detectors positioned at a detection end, and a plurality of optical couplers positioned between the input and detection ends. The plurality of optical couplers include an initial optical coupler optically coupled to the photon source, a final optical coupler optically coupled to the first and second photon detectors, and intermediate optical couplers positioned between the initial optical coupler and the final optical coupler. A first input link is optically coupled to the photon source and the initial optical coupler and a plurality of dual path spans are optically coupled to adjacent optical couplers. The plurality of dual path spans each include an undelayed path having an undelayed fiber link and a delayed path having a quantum memory positioned between and optically coupled to input and output sub-links.
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Patent Agency Ranking
5.发明申请公开(公告)号：US20210028864A1
公开(公告)日：2021-01-28
申请号：US16967291
申请日：2019-02-08
Applicant: CORNING INCORPORATED
Abstract: A quantum key generation system intended to mitigate the effect of the dead time of the photon detectors, the system including a photon generator, a photon pathway, a channel switch, and a photon detector unit. The photon pathway optically couples the photon generator and the channel switch. The channel switch is disposed between and optically coupled to the photon pathway and the photon detector unit. The photon detector unit includes a plurality of photon detectors and a plurality of detector unit sub-channels. Each detector unit sub-channel of the plurality of detector unit sub-channels optically couples the channel switch with an individual photon detector of the plurality of photon detectors. The channel switch is actuatable between a plurality of optical engagement positions. Further, each optical engagement position of the channel switch optically couples the photon pathway with a photon detector of the plurality of photon detectors. A plurality of quantum memories may be respectively placed between the switch and the plurality of photon detectors.
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公开(公告)号：US11804908B2
公开(公告)日：2023-10-31
申请号：US17632260
申请日：2020-07-30
Applicant: CORNING INCORPORATED
Inventor： Nikolay Alekseyevich Kaliteevskiy , Michal Mlejnek
IPC: H04B10/70
CPC classification number: H04B10/70
Abstract: A photon number resolving detector system includes a photon source positioned at an input end, first and second photon detectors positioned at a detection end, and a plurality of optical couplers positioned between the input and detection ends. The plurality of optical couplers include an initial optical coupler optically coupled to the photon source, a final optical coupler optically coupled to the first and second photon detectors, and intermediate optical couplers positioned between the initial optical coupler and the final optical coupler. A first input link is optically coupled to the photon source and the initial optical coupler and a plurality of dual path spans are optically coupled to adjacent optical couplers. The plurality of dual path spans each include an undelayed path having an undelayed fiber link and a delayed path having a quantum memory positioned between and optically coupled to input and output sub-links.
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公开(公告)号：US11766746B2
公开(公告)日：2023-09-26
申请号：US16871617
申请日：2020-05-11
Applicant: CORNING INCORPORATED
Inventor： Viacheslav Viacheslavovich Ivanov , Nikolay Alekseyevich Kaliteevskiy , Nickolaos Savidis , Petr Mikhaylovich Sterlingov , Ralf Joachim Terbrueggen , Craig John Mancusi Ungaro
IPC: B23K26/38 , B23K26/359 , B23K26/073
CPC classification number: B23K26/38 , B23K26/073 , B23K26/359
Abstract: A method for processing a transparent workpiece that includes directing a laser beam the transparent workpiece. The laser beam incident to the impingement surface has an oblong angular spectrum and portion of the laser beam directed into the transparent workpiece is a laser beam focal line and generates an induced absorption to produce a defect within the transparent workpiece. The laser beam focal line includes a wavelength λ, a spot size wo, a Rayleigh range ZR that is greater than
F
D
π
w
o
2
λ
,
where FD is a dimensionless divergence factor comprising a value of 10 or greater, and an internal beam angle of greater than 10° relative to a plane orthogonal to an impingement surface at an impingement location, such that the defect has a defect angle within the transparent workpiece of greater than 10° relative to a plane orthogonal to the impingement surface at the impingement location.-
公开(公告)号：US11621785B2
公开(公告)日：2023-04-04
申请号：US17619079
申请日：2020-06-16
Applicant: CORNING INCORPORATED
Abstract: A quantum communications system includes a first quantum repeater and a second quantum repeater each positioned at a repeater node and each having a first quantum memory and a second quantum memory. A first channel switch is optically coupled to the first quantum repeater and a second channel switch is optically coupled to the second quantum repeater. Further, a first sub-channel extends between and optically couples the first channel switch and the first quantum memory of the first quantum repeater, a second sub-channel extends between and optically couples the first channel switch and the first quantum memory of the second quantum repeater, a third sub-channel extends between and optically couples the second channel switch and the second quantum memory of the first quantum repeater, and a fourth sub-channel extends between and optically couples the second channel switch and the second quantum memory of the second quantum repeater.
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公开(公告)号：US20220303022A1
公开(公告)日：2022-09-22
申请号：US17619079
申请日：2020-06-16
Applicant: CORNING INCORPORATED
Abstract: A quantum communications system includes a first quantum repeater and a second quantum repeater each positioned at a repeater node and each having a first quantum memory and a second quantum memory. A first channel switch is optically coupled to the first quantum repeater and a second channel switch is optically coupled to the second quantum repeater. Further, a first sub-channel extends between and optically couples the first channel switch and the first quantum memory of the first quantum repeater, a second sub-channel extends between and optically couples the first channel switch and the first quantum memory of the second quantum repeater, a third sub-channel extends between and optically couples the second channel switch and the second quantum memory of the first quantum repeater, and a fourth sub -channel extends between and optically couples the second channel switch and the second quantum memory of the second quantum repeater.
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