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October 2020

CQC2T Online Seminar: Imaging ultrathin van der Waals magnets with a quantum diamond microscope – Jean-Philippe Tetienne

October 27 @ 2:00 pm - 3:00 pm

Speaker: Jean-Philippe Tetienne, University of Melbourne Research Overview: Imaging ultrathin van der Waals magnets with a quantum diamond microscope The recent isolation of 2D van der Waals magnetic materials has uncovered rich physics that often differs from the magnetic behavior of their bulk counterparts. However, the microscopic details of fundamental processes such as the initial magnetization or domain reversal, which govern the magnetic hysteresis, remain largely unknown in the ultrathin limit. Here a widefield nitrogen‐vacancy (NV) microscope is employed to…

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November 2020

CQC2T Online Seminar: Modular Bosonic Subsystem Codes – Giacomo Pantaleoni, RMIT

November 10 @ 2:00 pm - 3:00 pm
Online

Speaker: Giacomo Pantaleoni, RMIT University Host: TBC Research Overview: Modular Bosonic Subsystem Codes We introduce a framework to decompose a bosonic mode into two virtual subsystems—a logical qubit and a gauge mode. This framework allows the entire toolkit of qubit-based quantum information to be applied in the continuous-variable setting. We give a detailed example based on a modular decomposition of the position basis and apply it in two situations. First, we decompose Gottesman-Kitaev-Preskill grid states and find that the encoded…

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CQC2T Online Seminar: Deterministic Single Ion Implantation with 99.87% Confidence for Scalable Donor-Qubit Arrays in Silicon –  Alexander Jakob UM

November 24 @ 2:00 pm - 3:00 pm

Speaker: Alexander Jakob, University of Melbourne Host: TBC Date/ Time: Tuesday, 24 November 2020, 2pm AEDT (1pm QLD) Presentation: Deterministic Single Ion Implantation with 99.87% Confidence for Scalable Donor-Qubit Arrays in Silicon The attributes of group-V-donor spins implanted in an isotopically purified 28Si crystal make them attractive qubits for large-scale quantum computer devices. Important features include long nuclear and electron spin lifetimes of 31P, hyperfine clock transitions in 209Bi and electrically controllable 123Sb nuclear spins. However, architectures for scalable quantum devices require the ability to…

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