公开(公告)号：US11737376B2

公开(公告)日：2023-08-22

申请号：US16770942

申请日：2018-12-11

申请人： Yale University

发明人： Nicholas Frattini ,  Uri Vool ,  Shyam Shankar ,  Anirudh Narla ,  Katrina Sliwa ,  Michel Devoret ,  Volodymyr Sivak

IPC分类号： H01L39/02 ,  H10N60/80 ,  G06N10/00 ,  H10N60/12 ,  H10N69/00

CPC分类号： H10N60/805 ,  G06N10/00 ,  H10N60/12 ,  H10N69/00

摘要： A superconducting device includes two nodes and a Josephson junction coupled between the two nodes, wherein the Josephson junction is characterized by a superconducting phase difference, φ, wherein the superconducting device has a potential that varies as a function of the superconducting phase difference, φ, and has a single potential well. The potential has a non-zero cubic term and quartic term is zero. The Josephson junction may be a single small Josephson junction. The superconducting device may include a superconducting ring connected between the two nodes. The superconducting ring may include a first ring portion with a plurality of large Josephson junctions connected in series. The superconducting ring may also include a second ring portion that includes the single small Josephson junction in parallel with the plurality of large Josephson junctions between the two nodes.

公开(公告)号：US20210021245A1

公开(公告)日：2021-01-21

申请号：US16770942

申请日：2018-12-11

申请人： Yale University

发明人： Nicholas Frattini ,  Uri Vool ,  Shyam Shankar ,  Anirudh Narla ,  Katrina Sliwa ,  Michel Devoret ,  Volodymyr Sivak

IPC分类号： H03F19/00 ,  H01P3/08 ,  H01L27/18 ,  H01L39/02 ,  H01L39/22 ,  G06N10/00

摘要： A superconducting device includes two nodes and a Josephson junction coupled between the two nodes, wherein the Josephson junction is characterized by a superconducting phase difference, φ, wherein the superconducting device has a potential that varies as a function of the superconducting phase difference, φ, and has a single potential well. The potential has a non-zero cubic term and quartic term is zero. The Josephson junction may be a single small Josephson junction. The superconducting device may include a superconducting ring connected between the two nodes. The superconducting ring may include a first ring portion with a plurality of large Josephson junctions connected in series. The superconducting ring may also include a second ring portion that includes the single small Josephson junction in parallel with the plurality of large Josephson junctions between the two nodes.