Patents by Inventor Johannes Gooth
Johannes Gooth 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: 11143931Abstract: Aspects of the present disclosure are directed to a reconfigurable interference device comprising a phase change structure. The phase change structure comprises a solid-state phase change material having a first phase state and a second phase state dependent on temperature. A first energy source is configured to supply an initialization energy to initialize a plurality of domains having the first phase state and a second energy source is configured to supply an electrical current to the structure to position the plurality of domains of the first phase state within the phase change structure. A control unit is configured to control the first and the second energy source and to create a periodic interference pattern comprising a plurality of domains of the first phase state and a plurality of domains of the second phase state in an alternating pattern.Type: GrantFiled: January 18, 2019Date of Patent: October 12, 2021Assignee: International Business Machines CorporationInventors: Johannes Gooth, Bernd Gotsmann, Fabian Menges
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Patent number: 10714242Abstract: An electrical resistor element, system, and method related thereto, wherein the electrical resistor element includes a tunable resistance. The electrical resistor element comprises a first contact electrode, a second contact electrode and a ferroelectric layer arranged between the first contact electrode and the second contact electrode. The ferroelectric layer comprises a first area having a first polarization direction and a second area having a second polarization direction. The first polarization direction is different to the second polarization direction. The ferroelectric layer further comprises a domain wall between the first area and the second area. The electrical resistor element further comprises a first pinning element configured to stabilize the first polarization direction of the ferroelectric layer.Type: GrantFiled: December 20, 2017Date of Patent: July 14, 2020Assignee: International Business Machines CorporationInventors: Stefan Abel, Jean Fompeyrine, Johannes Gooth, Bernd Gotsmann, Fabian Menges
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Patent number: 10545357Abstract: Embodiments of the present disclosure relate to a programmable metamaterial which comprises an array of phase-change material elements. A domain inducing component may be coupled to at least one phase-change material element of the array of phase-change material elements. The domain inducing component may be configured to program the refractive index of the at least one phase-change material element and reprogram the refractive index of the at least one phase-change material element by inducing a phase transition in a domain of the at least one phase-change material element. A method for programming the metamaterial may include selecting the phase-change material element for programming and programming the refractive index of the selected phase-change material element by inducing a phase transition in a domain of the selected phase-change material element.Type: GrantFiled: August 24, 2017Date of Patent: January 28, 2020Assignee: International Business Machines CorporationInventors: Johannes Gooth, Bernd Gotsmann, Fabian Menges
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Publication number: 20190189311Abstract: An electrical resistor element, system, and method related thereto, wherein the electrical resistor element includes a tunable resistance. The electrical resistor element comprises a first contact electrode, a second contact electrode and a ferroelectric layer arranged between the first contact electrode and the second contact electrode. The ferroelectric layer comprises a first area having a first polarization direction and a second area having a second polarization direction. The first polarization direction is different to the second polarization direction. The ferroelectric layer further comprises a domain wall between the first area and the second area. The electrical resistor element further comprises a first pinning element configured to stabilize the first polarization direction of the ferroelectric layer.Type: ApplicationFiled: December 20, 2017Publication date: June 20, 2019Inventors: Stefan Abel, Jean Fompeyrine, Johannes Gooth, Bernd Gotsmann, Fabian Menges
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Publication number: 20190171083Abstract: Aspects of the present disclosure are directed to a reconfigurable interference device comprising a phase change structure. The phase change structure comprises a solid-state phase change material having a first phase state and a second phase state dependent on temperature. A first energy source is configured to supply an initialization energy to initialize a plurality of domains having the first phase state and a second energy source is configured to supply an electrical current to the structure to position the plurality of domains of the first phase state within the phase change structure. A control unit is configured to control the first and the second energy source and to create a periodic interference pattern comprising a plurality of domains of the first phase state and a plurality of domains of the second phase state in an alternating pattern.Type: ApplicationFiled: January 18, 2019Publication date: June 6, 2019Inventors: Johannes Gooth, Bernd Gotsmann, Fabian Menges
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Patent number: 10297739Abstract: A braiding element and a method for operating the braiding device, a structure of braiding devices as well as an array of braiding devices for controlling parafermions for quantum computing may be provided. The braiding device comprises a first wire layer and a second wire layer, a superconductor layer arranged in vertical sandwich-style between the first and the second wire layer such that a device structure is built and a plurality cascades of gate electrodes such that one of the plurality of cascades of gate electrodes is arranged at the first quantum wire layer and at the second quantum wire layer of each of the three legs.Type: GrantFiled: March 7, 2018Date of Patent: May 21, 2019Assignee: International Business Machines CorporationInventors: Johannes Gooth, Heinz Schmid
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Patent number: 10261384Abstract: Aspects of the present disclosure are directed to a reconfigurable interference device comprising a phase change structure. The phase change structure comprises a solid-state phase change material having a first phase state and a second phase state dependent on temperature. A first energy source is configured to supply an initialization energy to initialize a plurality of domains having the first phase state and a second energy source is configured to supply an electrical current to the structure to position the plurality of domains of the first phase state within the phase change structure. A control unit is configured to control the first and the second energy source and to create a periodic interference pattern comprising a plurality of domains of the first phase state and a plurality of domains of the second phase state in an alternating pattern.Type: GrantFiled: August 24, 2017Date of Patent: April 16, 2019Assignee: International Business Machines CorporationInventors: Johannes Gooth, Bernd Gotsmann, Fabian Menges
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Patent number: 10256391Abstract: Embodiments are notably directed to a thermoelectric device including a thermoelectric element. The thermoelectric element includes a Weyl semimetal and a plurality of magnetized elements. The plurality of magnetized elements are configured to apply a directed magnetic field on the Weyl-semimetal. Embodiments further concern a related method for cooling a device and a related method for generating electrical energy.Type: GrantFiled: August 25, 2017Date of Patent: April 9, 2019Assignee: International Business Machines CorporationInventors: Johannes Gooth, Bernd Gotsmann, Fabian Menges
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Publication number: 20190064627Abstract: Aspects of the present disclosure are directed to a reconfigurable interference device comprising a phase change structure. The phase change structure comprises a solid-state phase change material having a first phase state and a second phase state dependent on temperature. A first energy source is configured to supply an initialization energy to initialize a plurality of domains having the first phase state and a second energy source is configured to supply an electrical current to the structure to position the plurality of domains of the first phase state within the phase change structure. A control unit is configured to control the first and the second energy source and to create a periodic interference pattern comprising a plurality of domains of the first phase state and a plurality of domains of the second phase state in an alternating pattern.Type: ApplicationFiled: August 24, 2017Publication date: February 28, 2019Inventors: Johannes Gooth, Bernd Gotsmann, Fabian Menges
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Publication number: 20190067547Abstract: Embodiments are notably directed to a thermoelectric device including a thermoelectric element. The thermoelectric element includes a Weyl semimetal and a plurality of magnetized elements. The plurality of magnetized elements are configured to apply a directed magnetic field on the Weyl-semimetal. Embodiments further concern a related method for cooling a device and a related method for generating electrical energy.Type: ApplicationFiled: August 25, 2017Publication date: February 28, 2019Inventors: Johannes Gooth, Bernd Gotsmann, Fabian Menges
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Publication number: 20190064551Abstract: Embodiments of the present disclosure relate to a programmable metamaterial which comprises an array of phase-change material elements. A domain inducing component may be coupled to at least one phase-change material element of the array of phase-change material elements. The domain inducing component may be configured to program the refractive index of the at least one phase-change material element and reprogram the refractive index of the at least one phase-change material element by inducing a phase transition in a domain of the at least one phase-change material element. A method for programming the metamaterial may include selecting the phase-change material element for programming and programming the refractive index of the selected phase-change material element by inducing a phase transition in a domain of the selected phase-change material element.Type: ApplicationFiled: August 24, 2017Publication date: February 28, 2019Inventors: Johannes Gooth, Bernd Gotsmann, Fabian Menges