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Towards autonomous tuning of noisy quantum dots

ORAL

Abstract

Gate-defined quantum dots (QDs), in which electrons are trapped in quantum wells defined by gate voltages, are a quantum computing platform that may scale effectively due to the maturity of semiconductor processing. However, initialization of these devices is not trivial and currently performed mostly manually or in a semi-scripted fashion guided by heuristics. There has been some progress towards autonomous tuning of these devices using machine learning (ML) methods, but the current best strategies are not robust to ever-present noise in the system or require human-labelled noisy data. We are working to overcome issues of imperfect devices while eliminating the labor of labelling data by incorporating noise into our QD simulator. With this approach, we broaden the applicability of autonomous tuning methods to less ideal devices while using a scalable simulation-based ML framework.

Presenters

  • Josh Ziegler

    National Institute of Standards and Technology

Authors

  • Josh Ziegler

    National Institute of Standards and Technology

  • Sandesh S Kalantre

    Joint Quantum Institute, University of Maryland, College Park, Joint Quantum Institute, University of Maryland

  • Thomas McJunkin

    Department of Physics, University of Wisconsin-Madison, Physics Department, University of Wisconsin-Madison, University of Wisconsin - Madison

  • Mark Eriksson

    Department of Physics, University of Wisconsin-Madison, Physics Department, University of Wisconsin-Madison, University of Wisconsin - Madison

  • Jacob Taylor

    National Institute of Standards and Technology, University of Maryland, College Park

  • Justyna Zwolak

    National Institute of Standards and Technology