{"id":1173,"date":"2021-08-04T11:02:08","date_gmt":"2021-08-04T15:02:08","guid":{"rendered":"https:\/\/quantum.ncsu.edu\/ibm-quantum\/?post_type=tribe_events&p=1173"},"modified":"2021-08-31T13:46:37","modified_gmt":"2021-08-31T17:46:37","slug":"announcing-duke-nc-state-collaborative-quantum-computing-seminars","status":"publish","type":"tribe_events","link":"https:\/\/quantum.ncsu.edu\/ibm-quantum\/event\/announcing-duke-nc-state-collaborative-quantum-computing-seminars\/","title":{"rendered":"Duke and NC State Collaborative Quantum Computing Seminars"},"content":{"rendered":"

Duke & NC State\u00a0 will host a Collaborative Quantum Computing Seminar Sept 3, 2021!<\/strong><\/p>\n

Talk Title: <\/strong>Quantum computing with rotation-symmetric bosonic codes<\/p>\n

Speaker: <\/strong>Josh Combes, University of Colorado, Boulder<\/p>\n

Abstract: <\/strong>Bosonic mode error-correcting codes are error-correcting codes where a qubit (or qudit) is encoded into one or multiple bosonic modes, i.e., quantum oscillators with an infinite Hilbert space. In the first part of this talk I will give an introduction to codes that have a phase space translation symmetry, i.e. the Gottesman-Kitaev-Preskill aka GKP, and codes that have a rotation symmetry. Moreover, I will survey the impressive experimental progress on these codes. The second part of the talk I focus on single-mode codes that obey rotation symmetry in phase space, such as the\u00a0well-known Cat and Binomial codes. I will introduce a universal scheme for this class of codes based only on simple and experimentally well-motivated interactions. The scheme is fault-tolerant in the sense that small errors are guaranteed to remain small under the considered gates. I will also introduce a fault-tolerant error correction scheme based on cross-Kerr interactions and imperfect destructive phase measurement (e.g., a marginal of heterodyne). Remarkably, the error correction scheme approaches the optimal recovery map for Cat and Binomial codes when the auxiliary modes are error-free. We numerically compute break-even thresholds under loss and dephasing, with ideal auxiliary systems.\u00a0 If time permits I will discuss the search for optimized codes and progress towards genuine fault tolerance.<\/p>\n

This is a Hybrid Collaborative Event with NC State and Duke. In Person location for NC State is Venture\u00a0Place, 2nd Floor, Large Classroom.<\/strong><\/p>\n

REGISTRATION: <\/strong>Form Link\u00a0<\/a><\/p>\n

For more information email:<\/p>\n

quantumcomputing@ncsu.edu<\/p>\n","protected":false},"excerpt":{"rendered":"

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