Patents by Inventor Steven J. Holmes
Steven J. Holmes 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: 12096702Abstract: Devices, systems, methods, computer-implemented methods, apparatus, and/or computer program products that can facilitate an epitaxial Josephson junction transmon device are provided. According to an embodiment, a device can comprise a substrate. The device can further comprise an epitaxial Josephson junction transmon device coupled to the substrate. According to an embodiment, a device can comprise an epitaxial Josephson junction transmon device coupled to a substrate. The device can further comprise a tuning gate coupled to the substrate and formed across the epitaxial Josephson junction transmon device. According to an embodiment, a device can comprise a first superconducting region and a second superconducting region formed on a substrate. The device can further comprise an epitaxial Josephson junction tunneling channel coupled to the first superconducting region and the second superconducting region.Type: GrantFiled: December 9, 2022Date of Patent: September 17, 2024Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATIONInventors: Steven J. Holmes, Devendra K. Sadana, Brent A. Wacaser, Damon Farmer
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Patent number: 12059263Abstract: A method includes implanting an implantable biosensor within a subject where the implantable biosensor has an array of light sources and an array of light detectors, activating the array of light sources to direct light signals at a targeted tissue site in the subject, capturing, with the light detectors, the light signals reflected off the targeted site, calculating a roundtrip propagation time for each of the light signals and comparing the roundtrip propagation time for each of the light signals against previous calculated respective roundtrip propagation times to determine an occurrence of a change in the targeted tissue site.Type: GrantFiled: July 26, 2023Date of Patent: August 13, 2024Assignee: International Business Machines CorporationInventors: Steven J. Holmes, Devendra K. Sadana, Stephen W. Bedell
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Patent number: 12041859Abstract: A method of producing a quantum circuit includes forming a mask on a substrate to cover a first portion of the substrate, implanting a second portion of the substrate with ions, and removing the mask, thereby providing a nanowire. The method further includes forming a first lead and a second lead, the first lead and the second lead each partially overlapping the nanowire. In operation, a portion of the nanowire between the first and second leads forms a quantum dot, thereby providing a quantum dot Josephson junction. The method further includes forming a third lead and a fourth lead, one of the third and fourth leads partially overlapping the nanowire, wherein the third lead is separated from the fourth lead by a dielectric layer, thereby providing a Dolan bridge Josephson junction. The nanowire is configured to connect the quantum dot Josephson junction and the Dolan bridge Josephson junction in series.Type: GrantFiled: March 29, 2023Date of Patent: July 16, 2024Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATIONInventors: Steven J. Holmes, Devendra K. Sadana, Ning Li, Stephen W. Bedell
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Patent number: 12035641Abstract: A Josephson Junction qubit device is provided. The device includes a substrate of silicon material. The device includes first and second electrodes of superconducting metal. The device may include a nanowire created by direct ion implantation on to the silicon material to connect the first and second electrodes. The device may include first and second superconducting regions created by direct ion implantation on to the silicon material, the first superconducting region connecting the first electrode and the second superconducting region connecting the second electrode, with a silicon channel formed by a gap between the first and second superconducting regions.Type: GrantFiled: December 28, 2021Date of Patent: July 9, 2024Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATIONInventors: Steven J. Holmes, Devendra K. Sadana, Oleg Gluschenkov, Martin O. Sandberg, Marinus Johannes Petrus Hopstaken, Yasir Sulehria
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Patent number: 11948985Abstract: Devices, systems, methods, computer-implemented methods, apparatus, and/or computer program products that can facilitate a suspended Majorana fermion device comprising an ion implant defined nanorod in a semiconducting device are provided. According to an embodiment, a quantum computing device can comprise a Majorana fermion device coupled to an ion implanted region. The quantum computing device can further comprise an encapsulation film coupled to the ion implanted region and a substrate layer. The encapsulation film suspends the Majorana fermion device in the quantum computing device.Type: GrantFiled: April 18, 2022Date of Patent: April 2, 2024Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATIONInventors: Steven J. Holmes, Devendra K. Sadana, Sean Hart, Patryk Gumann, Stephen W. Bedell, Ning Li
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Patent number: 11864906Abstract: A method includes implanting an implantable biosensor within a subject where the implantable biosensor has an array of light sources and an array of light detectors, activating the array of light sources to direct light signals at a targeted tissue site in the subject, capturing, with the light detectors, the light signals reflected off the targeted site, calculating a roundtrip propagation time for each of the light signals and comparing the roundtrip propagation time for each of the light signals against previous calculated respective roundtrip propagation times to determine an occurrence of a change in the targeted tissue site.Type: GrantFiled: June 20, 2019Date of Patent: January 9, 2024Assignee: International Business Machines CorporationInventors: Steven J. Holmes, Devendra K. Sadana, Stephen W. Bedell
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Patent number: 11819333Abstract: A method includes implanting an implantable biosensor within a subject where the implantable biosensor has an array of light sources and an array of light detectors, activating the array of light sources to direct light signals at a targeted tissue site in the subject, capturing, with the light detectors, the light signals reflected off the targeted site, calculating a roundtrip propagation time for each of the light signals and comparing the roundtrip propagation time for each of the light signals against previous calculated respective roundtrip propagation times to determine an occurrence of a change in the targeted tissue site.Type: GrantFiled: June 20, 2019Date of Patent: November 21, 2023Assignee: International Business Machines CorporationInventors: Steven J. Holmes, Devendra K. Sadana, Stephen W. Bedell
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Publication number: 20230366874Abstract: In an approach, using a biomedical device, a processor stimulates a cell sample. A processor senses, based on feedback from at least two chemical sensors of the biomedical device, the presence of at least two types of biomolecules released by the cell sample. A processor records, using a computer chip of the device, data collected by the at least two chemical sensors. A processor sends, using an antenna of the biomedical device, the recorded data to a remote server.Type: ApplicationFiled: July 24, 2023Publication date: November 16, 2023Inventors: Harikilia Deligianni, Bruce B. Doris, Steven J. Holmes, Emily R. Kinser, Qinghuang Lin
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Publication number: 20230363694Abstract: A method includes implanting an implantable biosensor within a subject where the implantable biosensor has an array of light sources and an array of light detectors, activating the array of light sources to direct light signals at a targeted tissue site in the subject, capturing, with the light detectors, the light signals reflected off the targeted site, calculating a roundtrip propagation time for each of the light signals and comparing the roundtrip propagation time for each of the light signals against previous calculated respective roundtrip propagation times to determine an occurrence of a change in the targeted tissue site.Type: ApplicationFiled: July 26, 2023Publication date: November 16, 2023Inventors: Steven J. Holmes, Devendra K. Sadana, Stephen W. Bedell
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Patent number: 11754550Abstract: In an approach, a biomedical device comprises at least one electrode, wherein the at least one electrode is coupled with a computer chip; at least two chemical sensors, wherein the at least two chemical sensors are coupled with the computer chip; the computer chip, wherein the computer chip comprises: a semiconductor substrate, and a processor; a microfluidic structure, wherein the microfluidic structure is an inert elastomeric polymer; a power supply device coupled to the computer chip; and an antenna configured to send data collected onto the computer chip to a remote server. In an approach, a processor stimulating a cell sample. A processor senses the presence of at least two types of biomolecules released by the cell sample. A processor records data collected by the at least two chemical sensors. A processor sends the recorded data to a remote server.Type: GrantFiled: July 26, 2018Date of Patent: September 12, 2023Assignee: International Business Machines CorporationInventors: Harikilia Deligianni, Bruce B. Doris, Steven J. Holmes, Emily R. Kinser, Qinghuang Lin
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Publication number: 20230255123Abstract: Systems and techniques that facilitate quantum tuning via permanent magnetic flux elements are provided. In various embodiments, a system can comprise a qubit device. In various aspects, the system can further comprise a permanent magnet having a first magnetic flux, wherein an operational frequency of the qubit device is based on the first magnetic flux. In various instances, the system can further comprise an electromagnet having a second magnetic flux that tunes the first magnetic flux. In various cases, the permanent magnet can comprise a nanoparticle magnet. In various embodiments, the nanoparticle magnet can comprise manganese nanoparticles embedded in a silicon matrix. In various aspects, the system can further comprise an electrode that applies an electric current to the nanoparticle magnet in a presence of the second magnetic flux, thereby changing a strength of the first magnetic flux.Type: ApplicationFiled: March 29, 2023Publication date: August 10, 2023Inventors: Steven J. Holmes, Devendra K. Sadana, David C. Mckay, Jared Barney Hertzberg, Stephen W. Bedell, Ning Li
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Publication number: 20230247917Abstract: A method of producing a quantum circuit includes forming a mask on a substrate to cover a first portion of the substrate, implanting a second portion of the substrate with ions, and removing the mask, thereby providing a nanowire. The method further includes forming a first lead and a second lead, the first lead and the second lead each partially overlapping the nanowire. In operation, a portion of the nanowire between the first and second leads forms a quantum dot, thereby providing a quantum dot Josephson junction. The method further includes forming a third lead and a fourth lead, one of the third and fourth leads partially overlapping the nanowire, wherein the third lead is separated from the fourth lead by a dielectric layer, thereby providing a Dolan bridge Josephson junction. The nanowire is configured to connect the quantum dot Josephson junction and the Dolan bridge Josephson junction in series.Type: ApplicationFiled: March 29, 2023Publication date: August 3, 2023Inventors: Steven J. Holmes, Devendra K. Sadana, Ning Li, Stephen W. Bedell
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Publication number: 20230210019Abstract: A Josephson Junction qubit device is provided. The device includes a substrate of silicon material. The device includes first and second electrodes of superconducting metal. The device may include a nanowire created by direct ion implantation on to the silicon material to connect the first and second electrodes. The device may include first and second superconducting regions created by direct ion implantation on to the silicon material, the first superconducting region connecting the first electrode and the second superconducting region connecting the second electrode, with a silicon channel formed by a gap between the first and second superconducting regions.Type: ApplicationFiled: December 28, 2021Publication date: June 29, 2023Inventors: Steven J. Holmes, Devendra K. Sadana, Oleg Gluschenkov, Martin O. Sandberg, Marinus Johannes Petrus Hopstaken, Yasir Sulehria
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Publication number: 20230210018Abstract: A vertical Josephson Junction (JJ) qubit device that is fabricated from crystalline silicon material is provided. The JJ device has a substrate of epitaxial silicon, a lower superconducting electrode that is a superconducting region of the epitaxial silicon and an upper superconducting electrode of a metallic superconductor. The JJ device also has a junction layer. A section of the junction layer between the lower and upper superconducting electrodes forms a junction of the JJ device. Resonator and/or capacitor wiring of the JJ device is also fabricated using the metallic superconductor. The superconducting region is epitaxial silicon that is doped or implanted with boron or gallium. The substrate, the junction layer, and the implanted epitaxial silicon share a contiguous crystalline structure.Type: ApplicationFiled: December 28, 2021Publication date: June 29, 2023Inventors: Steven J. Holmes, Devendra K. Sadana, Oleg Gluschenkov, Stephen W. Bedell
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Patent number: 11672187Abstract: Systems and techniques that facilitate quantum tuning via permanent magnetic flux elements are provided. In various embodiments, a system can comprise a qubit device. In various aspects, the system can further comprise a permanent magnet having a first magnetic flux, wherein an operational frequency of the qubit device is based on the first magnetic flux. In various instances, the system can further comprise an electromagnet having a second magnetic flux that tunes the first magnetic flux. In various cases, the permanent magnet can comprise a nanoparticle magnet. In various embodiments, the nanoparticle magnet can comprise manganese nanoparticles embedded in a silicon matrix. In various aspects, the system can further comprise an electrode that applies an electric current to the nanoparticle magnet in a presence of the second magnetic flux, thereby changing a strength of the first magnetic flux.Type: GrantFiled: March 25, 2020Date of Patent: June 6, 2023Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATIONInventors: Steven J. Holmes, Devendra K. Sadana, David C. McKay, Jared Barney Hertzberg, Stephen W. Bedell, Ning Li
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Patent number: 11665981Abstract: A method of producing a quantum circuit includes forming a mask on a substrate to cover a first portion of the substrate, implanting a second portion of the substrate with ions, and removing the mask, thereby providing a nanowire. The method further includes forming a first lead and a second lead, the first lead and the second lead each partially overlapping the nanowire. In operation, a portion of the nanowire between the first and second leads forms a quantum dot, thereby providing a quantum dot Josephson junction. The method further includes forming a third lead and a fourth lead, one of the third and fourth leads partially overlapping the nanowire, wherein the third lead is separated from the fourth lead by a dielectric layer, thereby providing a Dolan bridge Josephson junction. The nanowire is configured to connect the quantum dot Josephson junction and the Dolan bridge Josephson junction in series.Type: GrantFiled: March 5, 2021Date of Patent: May 30, 2023Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATIONInventors: Steven J. Holmes, Devendra V Sadana, Ning Li, Stephen W. Bedell
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Publication number: 20230122482Abstract: Devices, systems, methods, computer-implemented methods, apparatus, and/or computer program products that can facilitate an epitaxial Josephson junction transmon device are provided. According to an embodiment, a device can comprise a substrate. The device can further comprise an epitaxial Josephson junction transmon device coupled to the substrate. According to an embodiment, a device can comprise an epitaxial Josephson junction transmon device coupled to a substrate. The device can further comprise a tuning gate coupled to the substrate and formed across the epitaxial Josephson junction transmon device. According to an embodiment, a device can comprise a first superconducting region and a second superconducting region formed on a substrate. The device can further comprise an epitaxial Josephson junction tunneling channel coupled to the first superconducting region and the second superconducting region.Type: ApplicationFiled: December 9, 2022Publication date: April 20, 2023Inventors: Steven J. Holmes, Devendra K. Sadana, Brent A. Wacaser, Damon Farmer
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Patent number: 11563162Abstract: Devices, systems, methods, computer-implemented methods, apparatus, and/or computer program products that can facilitate an epitaxial Josephson junction transmon device are provided. According to an embodiment, a device can comprise a substrate. The device can further comprise an epitaxial Josephson junction transmon device coupled to the substrate. According to an embodiment, a device can comprise an epitaxial Josephson junction transmon device coupled to a substrate. The device can further comprise a tuning gate coupled to the substrate and formed across the epitaxial Josephson junction transmon device. According to an embodiment, a device can comprise a first superconducting region and a second superconducting region formed on a substrate. The device can further comprise an epitaxial Josephson junction tunneling channel coupled to the first superconducting region and the second superconducting region.Type: GrantFiled: January 9, 2020Date of Patent: January 24, 2023Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATIONInventors: Steven J. Holmes, Devendra K. Sadana, Brent A. Wacaser, Damon Farmer
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Patent number: 11547440Abstract: An access system having a communication component that interfaces with a first device and a second device, where the first device is located inside or on an entity and coupled to a biological organism of the entity, and where the second device is located outside the entity and a controller component that controls a function of the first device, employing the communication component, to provide treatment to the biological organism of the entity coupled to the first device based on a request received from the second device.Type: GrantFiled: November 26, 2018Date of Patent: January 10, 2023Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATIONInventors: Steven J. Holmes, Bruce B. Doris, Devendra K. Sadana, Stephen W. Bedell, Jia Chen, Hariklia Deligianni
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Patent number: 11522116Abstract: A vertical Josephson junction device includes a substrate, and an epitaxial stack formed on the substrate. The vertical Josephson junction device includes a first superconducting electrode embedded in the epitaxial stack, and a second superconducting electrode embedded in the epitaxial stack, the second superconducting electrode being separated from the first superconducting electrode by a dielectric layer. In operation, the first superconducting electrode, the dielectric layer, and the second superconducting electrode form a vertical Josephson junction.Type: GrantFiled: April 13, 2020Date of Patent: December 6, 2022Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATIONInventors: Steven J. Holmes, Devendra K. Sadana