Patents by Inventor Firat Solgun
Firat Solgun has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11538854Abstract: A system includes a first quantum circuit plane that includes a first qubit, a second qubit and a third qubit. A coupled-line bus is coupled between the first qubit and the second qubit. A second circuit plane is connected to the first quantum circuit plane, comprising a control line coupled to the third qubit. The control line and the coupled-line bus are on different planes and crossing over each other, and configured to mitigate cross-talk caused by the crossing during signal transmission.Type: GrantFiled: March 27, 2020Date of Patent: December 27, 2022Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATIONInventors: Firat Solgun, Dongbing Shao, Markus Brink
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Patent number: 11527697Abstract: A quantum computing device includes a first chip having a first substrate and one or more qubits disposed on the first substrate. Each of the one or more qubits has an associated resonance frequency. The quantum computing device further includes a second chip having a second substrate and at least one conductive surface disposed on the second substrate opposite the one or more qubits. The at least one conductive surface has at least one dimension configured to adjust the resonance frequency associated with at least one of the one or more qubits to a determined frequency adjustment value.Type: GrantFiled: December 3, 2020Date of Patent: December 13, 2022Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATIONInventors: Dongbing Shao, Markus Brink, Firat Solgun, Jared Barney Hertzberg
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Publication number: 20220058508Abstract: Devices and/or computer-implemented methods to facilitate a multipole filter on a quantum device with multiplexing capability and signal separation to mitigate crosstalk are provided. According to an embodiment, a device can comprise an interposer substrate comprising a readout resonator. The device can further comprise a qubit chip substrate comprising a qubit coupled to the readout resonator and to a multipole filter.Type: ApplicationFiled: August 19, 2020Publication date: February 24, 2022Inventors: Srikanth Srinivasan, John Blair, George Andrew Keefe, Thomas George McConkey, Dongbing Shao, Firat Solgun
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Patent number: 11195982Abstract: In an embodiment, a method includes forming a first chip having a first substrate and one or more qubits disposed on the first substrate, each of the one or more qubits having an associated resonance frequency. In an embodiment, the method includes forming a second chip having a second substrate and at least one conductive surface disposed on the second substrate opposite the one or more qubits, the at least one conductive surface having at least one dimension configured to adjust the resonance frequency associated with at least one of the one or more qubits to a determined frequency adjustment value.Type: GrantFiled: April 19, 2019Date of Patent: December 7, 2021Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATIONInventors: Dongbing Shao, Markus Brink, Firat Solgun, Jared Barney Hertzberg
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Patent number: 11189435Abstract: Devices, systems, methods, computer-implemented methods, apparatus, and/or computer program products that can facilitate a switch device that shifts frequency of a resonator in a quantum device are provided. According to an embodiment, a device can comprise a readout resonator coupled to a qubit. The device can further comprise a switch device formed across the readout resonator that shifts frequency of the readout resonator based on position of the switch device. According to another embodiment, a device can comprise a bus resonator coupled to a plurality of qubits. The device can further comprise a switch device formed across the bus resonator that shifts frequency of the bus resonator based on position of the switch device.Type: GrantFiled: December 10, 2019Date of Patent: November 30, 2021Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATIONInventors: Vivekananda P. Adiga, Martin O. Sandberg, Firat Solgun, Jerry M. Chow
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Publication number: 20210357562Abstract: Techniques and a system for quantum computing device modeling and design are provided. In one example, a system includes a modeling component and a simulation component. The modeling component models a quantum device element of a quantum computing device as an electromagnetic circuit element to generate electromagnetic circuit data for the quantum computing device. The simulation component simulates the quantum computing device using the electromagnetic circuit data to generate response function data indicative of a response function for the quantum computing device. Additionally or alternatively, a Hamiltonian is constructed based on the response function.Type: ApplicationFiled: June 9, 2021Publication date: November 18, 2021Inventors: Hanhee Paik, Firat Solgun, Salvatore Bernardo Olivadese, Martin O. Sandberg, Jay M. Gambetta
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Patent number: 11164102Abstract: Systems, computer-implemented methods, and computer program products to facilitate external port measurement of qubit port responses are provided. According to an embodiment, a computer-implemented method can comprise terminating, by a system operatively coupled to a processor, one or more qubit ports with different electrical connections. The computer-implemented method can also comprise determining, by the system, one or more qubit port responses from external port responses based on the terminating. In some embodiments, the computer-implemented method can further comprise determining, by the system, a multiport admittance function corresponding to at least two of the one or more qubit ports.Type: GrantFiled: March 4, 2020Date of Patent: November 2, 2021Assignees: INTERNATIONAL BUSINESS MACHINES CORPORATION, JUELICH RESEARCH CENTERInventors: Firat Solgun, David P. DiVincenzo
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Publication number: 20210305315Abstract: A system includes a first quantum circuit plane that includes a first qubit, a second qubit and a third qubit. A coupled-line bus is coupled between the first qubit and the second qubit. A second circuit plane is connected to the first quantum circuit plane, comprising a control line coupled to the third qubit. The control line and the coupled-line bus are on different planes and crossing over each other, and configured to mitigate cross-talk caused by the crossing during signal transmission.Type: ApplicationFiled: March 27, 2020Publication date: September 30, 2021Inventors: Firat Solgun, Dongbing Shao, Markus Brink
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Patent number: 11074382Abstract: Techniques and a system for quantum computing device modeling and design are provided. In one example, a system includes a modeling component and a simulation component. The modeling component models a quantum device element of a quantum computing device as an electromagnetic circuit element to generate electromagnetic circuit data for the quantum computing device. The simulation component simulates the quantum computing device using the electromagnetic circuit data to generate response function data indicative of a response function for the quantum computing device. Additionally or alternatively, a Hamiltonian is constructed based on the response function.Type: GrantFiled: January 30, 2018Date of Patent: July 27, 2021Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATIONInventors: Hanhee Paik, Firat Solgun, Salvatore Bernardo Olivadese, Martin O. Sandberg, Jay M. Gambetta
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Patent number: 11048846Abstract: Techniques regarding an autonomous surface participation analysis of one or more superconducting qubits using the boundary element method are provided. For example, one or more embodiments described herein can comprise a system, which can comprise a memory that can store computer executable components. The system can also comprise a processor, operably coupled to the memory, and that can execute the computer executable components stored in the memory. The computer executable components can comprise a simulation component, operatively coupled to the processor, that can analyze a surface participation of a superconducting qubit by discretizing a conductor-dielectric interface and a dielectric-dielectric interface into a plurality of panels.Type: GrantFiled: June 12, 2018Date of Patent: June 29, 2021Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATIONInventor: Firat Solgun
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Publication number: 20210175026Abstract: Devices, systems, methods, computer-implemented methods, apparatus, and/or computer program products that can facilitate a switch device that shifts frequency of a resonator in a quantum device are provided. According to an embodiment, a device can comprise a readout resonator coupled to a qubit. The device can further comprise a switch device formed across the readout resonator that shifts frequency of the readout resonator based on position of the switch device. According to another embodiment, a device can comprise a bus resonator coupled to a plurality of qubits. The device can further comprise a switch device formed across the bus resonator that shifts frequency of the bus resonator based on position of the switch device.Type: ApplicationFiled: December 10, 2019Publication date: June 10, 2021Inventors: Vivekananda P. Adiga, Martin O. Sandberg, Firat Solgun, Jerry M. Chow
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Publication number: 20210091295Abstract: A quantum computing device includes a first chip having a first substrate and one or more qubits disposed on the first substrate. Each of the one or more qubits has an associated resonance frequency. The quantum computing device further includes a second chip having a second substrate and at least one conductive surface disposed on the second substrate opposite the one or more qubits. The at least one conductive surface has at least one dimension configured to adjust the resonance frequency associated with at least one of the one or more qubits to a determined frequency adjustment value.Type: ApplicationFiled: December 3, 2020Publication date: March 25, 2021Applicant: International Business Machines CorporationInventors: DONGBING SHAO, Markus Brink, Firat Solgun, Jared Barney Hertzberg
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Patent number: 10903412Abstract: A quantum computing device includes a first chip having a first substrate and one or more qubits disposed on the first substrate. Each of the one or more qubits has an associated resonance frequency. The quantum computing device further includes a second chip having a second substrate and at least one conductive surface disposed on the second substrate opposite the one or more qubits. The at least one conductive surface has at least one dimension configured to adjust the resonance frequency associated with at least one of the one or more qubits to a determined frequency adjustment value.Type: GrantFiled: April 19, 2019Date of Patent: January 26, 2021Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATIONInventors: Dongbing Shao, Markus Brink, Firat Solgun, Jared Barney Hertzberg
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Publication number: 20200335686Abstract: In an embodiment, a method includes forming a first chip having a first substrate and one or more qubits disposed on the first substrate, each of the one or more qubits having an associated resonance frequency. In an embodiment, the method includes forming a second chip having a second substrate and at least one conductive surface disposed on the second substrate opposite the one or more qubits, the at least one conductive surface having at least one dimension configured to adjust the resonance frequency associated with at least one of the one or more qubits to a determined frequency adjustment value.Type: ApplicationFiled: April 19, 2019Publication date: October 22, 2020Applicant: International Business Machines CorporationInventors: DONGBING SHAO, Markus Brink, Firat Solgun, Jared Barney Hertzberg
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Publication number: 20200335685Abstract: A quantum computing device includes a first chip having a first substrate and one or more qubits disposed on the first substrate. Each of the one or more qubits has an associated resonance frequency. The quantum computing device further includes a second chip having a second substrate and at least one conductive surface disposed on the second substrate opposite the one or more qubits. The at least one conductive surface has at least one dimension configured to adjust the resonance frequency associated with at least one of the one or more qubits to a determined frequency adjustment value.Type: ApplicationFiled: April 19, 2019Publication date: October 22, 2020Applicant: International Business Machines CorporationInventors: Dongbing Shao, Markus Brink, Firat Solgun, Jared Barney Hertzberg
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Publication number: 20200293938Abstract: Systems, computer-implemented methods, and computer program products to facilitate external port measurement of qubit port responses are provided. According to an embodiment, a computer-implemented method can comprise terminating, by a system operatively coupled to a processor, one or more qubit ports with different electrical connections. The computer-implemented method can also comprise determining, by the system, one or more qubit port responses from external port responses based on the terminating. In some embodiments, the computer-implemented method can further comprise determining, by the system, a multiport admittance function corresponding to at least two of the one or more qubit ports.Type: ApplicationFiled: March 4, 2020Publication date: September 17, 2020Inventors: Firat Solgun, David P. DiVincenzo
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Patent number: 10651361Abstract: A technique relates a structure. An inductive element is on a first surface. A capacitive element is on the first surface and a second surface. An interconnect structure is between the first surface and the second surface.Type: GrantFiled: January 16, 2019Date of Patent: May 12, 2020Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATIONInventors: Markus Brink, Antonio D. Corcoles-Gonzalez, Jay M. Gambetta, Sami Rosenblatt, Firat Solgun
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Patent number: 10621502Abstract: Systems, computer-implemented methods, and computer program products to facilitate external port measurement of qubit port responses are provided. According to an embodiment, a computer-implemented method can comprise terminating, by a system operatively coupled to a processor, one or more qubit ports with different electrical connections. The computer-implemented method can also comprise determining, by the system, one or more qubit port responses from external port responses based on the terminating. In some embodiments, the computer-implemented method can further comprise determining, by the system, a multiport admittance function corresponding to at least two of the one or more qubit ports.Type: GrantFiled: August 30, 2018Date of Patent: April 14, 2020Assignees: INTERNATIONAL BUSINESS MACHINES CORPORATION, JUELICH RESEARCH CENTERInventors: Firat Solgun, David P. DiVincenzo
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Patent number: 10593858Abstract: A technique relates to a structure. A first surface includes an inductive element of a resonator. A second surface includes a first portion of a capacitive element of the resonator and at least one qubit. A second portion of the capacitive element of the resonator is on the first surface.Type: GrantFiled: April 10, 2019Date of Patent: March 17, 2020Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATIONInventors: Markus Brink, Antonio Corcoles-Gonzalez, Jay M. Gambetta, Sami Rosenblatt, Firat Solgun
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Publication number: 20200074345Abstract: Systems, computer-implemented methods, and computer program products to facilitate external port measurement of qubit port responses are provided. According to an embodiment, a computer-implemented method can comprise terminating, by a system operatively coupled to a processor, one or more qubit ports with different electrical connections. The computer-implemented method can also comprise determining, by the system, one or more qubit port responses from external port responses based on the terminating. In some embodiments, the computer-implemented method can further comprise determining, by the system, a multiport admittance function corresponding to at least two of the one or more qubit ports.Type: ApplicationFiled: August 30, 2018Publication date: March 5, 2020Inventors: Firat Solgun, David P. DiVincenzo