公开(公告)号：IL295531B2

公开(公告)日：2025-04-01

申请号：IL29553122

申请日：2022-08-10

Applicant: IBM ,  ANDREAS FUHRER JANETT ,  FABRIZIO NICHELE ,  MARKUS FABIAN RITTER ,  HEIKE ERIKA RIEL

Inventor： ANDREAS FUHRER JANETT ,  FABRIZIO NICHELE ,  MARKUS FABIAN RITTER ,  HEIKE ERIKA RIEL

IPC: G06N10/00 ,  H03K17/92 ,  H03K19/195 ,  H10N60/10 ,  H10N60/20 ,  H10N60/35

Abstract: The invention is notably directed to a method of operating a superconducting channel. The method relies on a device including: a potentially superconducting material; a gate electrode; and an electrically insulating medium. A channel is defined by the potentially superconducting material. The gate electrode positioned adjacent to the channel, such that an end surface of the gate electrode faces a portion of the channel. The electrically insulating medium is arranged in such a manner that it electrically insulates the gate electrode from the channel. Rendering the channel superconducting by cooling down the device. Next, a voltage difference is applied between the gate electrode and the channel to inject electrons in the channel through the electrically insulating medium and thereby generate a gate current between the gate electrode and the channel. The electrons are injected with an average energy sufficient to modify a critical current IC of the channel.

公开(公告)号：IL295531B1

公开(公告)日：2024-12-01

申请号：IL29553122

申请日：2022-08-10

Applicant: IBM ,  ANDREAS FUHRER JANETT ,  FABRIZIO NICHELE ,  MARKUS FABIAN RITTER ,  HEIKE ERIKA RIEL

Inventor： ANDREAS FUHRER JANETT ,  FABRIZIO NICHELE ,  MARKUS FABIAN RITTER ,  HEIKE ERIKA RIEL

IPC: G06N10/00 ,  H03K17/92 ,  H03K19/195 ,  H10N60/10 ,  H10N60/20 ,  H10N60/35

Abstract: The invention is notably directed to a method of operating a superconducting channel. The method relies on a device including: a potentially superconducting material; a gate electrode; and an electrically insulating medium. A channel is defined by the potentially superconducting material. The gate electrode positioned adjacent to the channel, such that an end surface of the gate electrode faces a portion of the channel. The electrically insulating medium is arranged in such a manner that it electrically insulates the gate electrode from the channel. Rendering the channel superconducting by cooling down the device. Next, a voltage difference is applied between the gate electrode and the channel to inject electrons in the channel through the electrically insulating medium and thereby generate a gate current between the gate electrode and the channel. The electrons are injected with an average energy sufficient to modify a critical current IC of the channel.

公开(公告)号：IL295531A

公开(公告)日：2022-10-01

申请号：IL29553122

申请日：2022-08-10

Applicant: IBM ,  ANDREAS FUHRER JANETT ,  FABRIZIO NICHELE ,  MARKUS FABIAN RITTER ,  HEIKE ERIKA RIEL

Inventor： HEIKE ERIKA RIEL ,  ANDREAS FUHRER JANETT ,  FABRIZIO NICHELE ,  MARKUS FABIAN RITTER

IPC: G06N10/00 ,  H01L39/14 ,  H01L39/18 ,  H01L39/22 ,  H03K17/92 ,  H03K19/195

Abstract: The invention is notably directed to a method of operating a superconducting channel. The method relies on a device including: a potentially superconducting material; a gate electrode; and an electrically insulating medium. A channel is defined by the potentially superconducting material. The gate electrode positioned adjacent to the channel, such that an end surface of the gate electrode faces a portion of the channel. The electrically insulating medium is arranged in such a manner that it electrically insulates the gate electrode from the channel. Rendering the channel superconducting by cooling down the device. Next, a voltage difference is applied between the gate electrode and the channel to inject electrons in the channel through the electrically insulating medium and thereby generate a gate current between the gate electrode and the channel. The electrons are injected with an average energy sufficient to modify a critical current IC of the channel.

公开(公告)号：GB2596255A

公开(公告)日：2021-12-22

申请号：GB202113681

申请日：2020-02-21

Applicant: IBM

Inventor： THILO HERMANN CURT STOEFERLE ,  ANDREAS FUHRER JANETT ,  STEFAN FILIPP

IPC: H10N60/01 ,  G06N10/00 ,  H10N60/85

Abstract: A method includes forming a capacitor pad (304A, 304B) for a nonlinear resonator. The method includes comparing a resonance frequency of the nonlinear resonator to a target frequency to determine whether the resonance frequency falls within a range of the target frequency. A device includes a first capacitor pad comprising a superconducting material, the first capacitor pad configured to couple to a first end of a logic circuit element. The device includes a second capacitor pad comprising a second superconducting material, the capacitor pad configured to couple to a second end of the logic circuit element. The second capacitor pad includes a first portion (306A, 306B); a second portion (308A, 308B); and a bridge (310A, 310B) configured to electrically connect the first portion (306A, 306B) and the second portion (308A, 308B).