{"id":1285,"date":"2022-01-26T19:14:54","date_gmt":"2022-01-26T19:14:54","guid":{"rendered":"https:\/\/cqe.mit.edu\/quarc2022\/?page_id=1285"},"modified":"2022-01-30T16:58:36","modified_gmt":"2022-01-30T16:58:36","slug":"trevor-mccourt","status":"publish","type":"page","link":"https:\/\/cqe.mit.edu\/quarc2022\/trevor-mccourt\/","title":{"rendered":"Trevor McCourt"},"content":{"rendered":"

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Learning Noise via Dynamical Decoupling of Entangled Qubits<\/strong><\/h3>\n

<\/strong><\/p>\n

<\/strong><\/h4>\n

<\/strong><\/h4>\n
Trevor McCourt | Charles Neill | Kenny Lee | Chris Quintana | Yu Chen |\u00a0<\/strong> Jullian Kelly | Vadim Smelyanskiy | Alexander Korotkov | Isaac Chuang |<\/strong> Andre Petukhov<\/strong><\/strong><\/h5>\n

<\/h4>\n

Noise in entangled quantum systems is difficult to characterize due to the many degrees of freedom, and also poses a challenge to quantum computing, where two-qubit gate performance is critical. We develop and apply two-qubit dynamical decoupling sequences to characterize the noise that occurs during two-qubit gates on a superconducting qubit system. The dominant noise observed is consistent with coupler flux noise, which fundamentally affects two qubits at a time and enters through their entangling parameter. This noise is very different from the single-qubit dephasing noise that is typically studied. Additionally, discrete steps are observed in the decoupled signals, implying the presence of non-Gaussian noise that is atypical in solid-state systems.<\/p>\n

 <\/p>\n

Funding Sources: MIT<\/p>\n

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Trevor McCourt<\/strong><\/h1>\n

 <\/p>\n

Affiliation: MIT, Graduate Student<\/strong><\/strong><\/h2>\n

 <\/p>\n

Areas of Research<\/strong><\/h2>\n
    \n
  • \n
      \n
    • Superconducting Quantum Systems<\/li>\n
    • Atomic, Molecular, & Optical Physics<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n

      Open to<\/strong><\/h2>\n
        \n
      • \n
          \n
        • Internships<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n

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          Learning Noise via Dynamical Decoupling of Entangled Qubits Trevor McCourt | Charles Neill | Kenny Lee | Chris Quintana | Yu Chen |\u00a0 Jullian Kelly | Vadim Smelyanskiy | Alexander Korotkov | Isaac Chuang | Andre Petukhov Noise in entangled quantum systems is difficult to characterize due to the many degrees of freedom, and also […]<\/p>\n","protected":false},"author":6,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"class_list":["post-1285","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/cqe.mit.edu\/quarc2022\/wp-json\/wp\/v2\/pages\/1285","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cqe.mit.edu\/quarc2022\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/cqe.mit.edu\/quarc2022\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/cqe.mit.edu\/quarc2022\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/cqe.mit.edu\/quarc2022\/wp-json\/wp\/v2\/comments?post=1285"}],"version-history":[{"count":8,"href":"https:\/\/cqe.mit.edu\/quarc2022\/wp-json\/wp\/v2\/pages\/1285\/revisions"}],"predecessor-version":[{"id":1932,"href":"https:\/\/cqe.mit.edu\/quarc2022\/wp-json\/wp\/v2\/pages\/1285\/revisions\/1932"}],"wp:attachment":[{"href":"https:\/\/cqe.mit.edu\/quarc2022\/wp-json\/wp\/v2\/media?parent=1285"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}