Patents by Inventor Chad T. Rigetti

Chad T. Rigetti 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).

  • MULTIPLE-QUBIT WAVE-ACTIVATED CONTROLLED GATE
    Publication number: 20140368234
    Abstract: A device includes a housing, at least two qubits disposed in the housing and a resonator disposed in the housing and coupled to the at least two qubits, wherein the at least two qubits are maintained at a fixed frequency and are statically coupled to one another via the resonator, wherein energy levels |03> and |12> are closely aligned, wherein a tuned microwave signal applied to the qubit activates a two-qubit phase interaction.
    Type: Application
    Filed: September 2, 2014
    Publication date: December 18, 2014
    Inventors: Jerry M. Chow, Jay M. Gambetta, Seth T. Merkel, Chad T. Rigetti, Matthias Steffen
  • Multiple-qubit wave-activated controlled gate
    Patent number: 8872360
    Abstract: A device includes a housing, at least two qubits disposed in the housing and a resonator disposed in the housing and coupled to the at least two qubits, wherein the at least two qubits are maintained at a fixed frequency and are statically coupled to one another via the resonator, wherein energy levels |03> and |12> are closely aligned, wherein a tuned microwave signal applied to the qubit activates a two-qubit phase interaction.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: October 28, 2014
    Assignee: International Business Machines Corporation
    Inventors: Jerry M. Chow, Jay M. Gambetta, Seth T. Merkel, Chad T. Rigetti, Matthias Steffen
  • Superconducting quantum circuit having a resonant cavity thermalized with metal components
    Patent number: 8841764
    Abstract: A quantum electronic circuit device includes a housing having an internal resonant cavity, a qubit disposed within a volume of the internal resonant cavity and a non-superconducting metallic material mechanically and thermally coupled to the qubit within the internal resonant cavity and contiguously extending to the exterior of the housing.
    Type: Grant
    Filed: January 31, 2012
    Date of Patent: September 23, 2014
    Assignee: International Business Machines Corporation
    Inventors: Stefano Poletto, Chad T. Rigetti, Matthias Steffen
  • SUSPENDED SUPERCONDUCTING QUBITS
    Publication number: 20140264286
    Abstract: A qubit system includes a substrate layer, a qubit circuit suspended above the substrate layer and fine structure disposed between the qubit circuit and the substrate layer.
    Type: Application
    Filed: March 15, 2013
    Publication date: September 18, 2014
    Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Josephine B. Chang, George A. Keefe, Chad T. Rigetti, Mary E. Rothwell
  • MULTIPLE-QUBIT WAVE-ACTIVATED CONTROLLED GATE
    Publication number: 20140264285
    Abstract: A device includes a housing, at least two qubits disposed in the housing and a resonator disposed in the housing and coupled to the at least two qubits, wherein the at least two qubits are maintained at a fixed frequency and are statically coupled to one another via the resonator, wherein energy levels |03> and |12> are closely aligned, wherein a tuned microwave signal applied to the qubit activates a two-qubit phase interaction.
    Type: Application
    Filed: March 15, 2013
    Publication date: September 18, 2014
    Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Jerry M. Chow, Jay M. Gambetta, Seth T. Merkel, Chad T. Rigetti, Matthias Steffen
  • QUANTUM CIRCUIT WITHIN WAVEGUIDE-BEYOND-CUTOFF
    Publication number: 20140167836
    Abstract: A quantum information processing system includes a waveguide having an aperture, a non-linear quantum circuit disposed in the waveguide and an electromagnetic control signal source coupled to the aperture.
    Type: Application
    Filed: August 19, 2013
    Publication date: June 19, 2014
    Applicant: International Business Machines Corporation
    Inventors: Jay M. Gambetta, Chad T. Rigetti
  • QUANTUM CIRCUIT WITHIN WAVEGUIDE-BEYOND-CUTOFF
    Publication number: 20140167811
    Abstract: A quantum information processing system includes a waveguide having an aperture, a non-linear quantum circuit disposed in the waveguide and an electromagnetic control signal source coupled to the aperture.
    Type: Application
    Filed: December 13, 2012
    Publication date: June 19, 2014
    Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Jay M. Gambetta, Chad T. Rigetti
  • Array of quantum systems in a cavity for quantum computing
    Patent number: 8642998
    Abstract: A device includes a volume bounded by electromagnetically conducting walls, an aperture in a bounding wall of the electromagnetically conducting walls, a plurality of quantum systems disposed within the volume and an electromagnetic field source coupled to the volume via the aperture.
    Type: Grant
    Filed: September 2, 2011
    Date of Patent: February 4, 2014
    Assignee: International Business Machines Corporation
    Inventors: Jay M. Gambetta, Mark B. Ketchen, Chad T. Rigetti, Matthias Steffen
  • SUPERCONDUCTING QUANTUM CIRCUIT HAVING A RESONANT CAVITY THERMALIZED WITH METAL COMPONENTS
    Publication number: 20130196855
    Abstract: A quantum electronic circuit device includes a housing having an internal resonant cavity, a qubit disposed within a volume of the internal resonant cavity and a non-superconducting metallic material mechanically and thermally coupled to the qubit within the internal resonant cavity and contiguously extending to the exterior of the housing.
    Type: Application
    Filed: January 31, 2012
    Publication date: August 1, 2013
    Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Stefano Poletto, Chad T. Rigetti, Matthias Steffen
  • MODULAR ARRAY OF FIXED-COUPLING QUANTUM SYSTEMS FOR QUANTUM INFORMATION PROCESSING
    Publication number: 20120326720
    Abstract: A quantum information processing system includes a first composite quantum system, a second composite quantum system, a plurality of electromagnetic field sources coupled to the system and an adjustable electromagnetic coupling between the first composite quantum system and the second composite quantum system.
    Type: Application
    Filed: September 7, 2012
    Publication date: December 27, 2012
    Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Jay M. Gambetta, Mark B. Ketchen, Chad T. Rigetti, Matthias Steffen
  • MODULAR ARRAY OF FIXED-COUPLING QUANTUM SYSTEMS FOR QUANTUM INFORMATION PROCESSING
    Publication number: 20120319684
    Abstract: A quantum information processing system includes a first composite quantum system, a second composite quantum system, a plurality of electromagnetic field sources coupled to the system and an adjustable electromagnetic coupling between the first composite quantum system and the second composite quantum system.
    Type: Application
    Filed: September 2, 2011
    Publication date: December 20, 2012
    Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Jay M. Gambetta, Mark B. Ketchen, Chad T. Rigetti, Matthias Steffen
  • ARRAY OF QUANTUM SYSTEMS IN A CAVITY FOR QUANTUM COMPUTING
    Publication number: 20120319085
    Abstract: A device includes a volume bounded by electromagnetically conducting walls, an aperture in a bounding wall of the electromagnetically conducting walls, a plurality of quantum systems disposed within the volume and an electromagnetic field source coupled to the volume via the aperture.
    Type: Application
    Filed: September 2, 2011
    Publication date: December 20, 2012
    Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Jay M. Gambetta, Mark B. Ketchen, Chad T. Rigetti, Matthias Steffen