Data needs and challenges for quantum dot devices automation
Justyna P. Zwolak (University of Maryland, National Institute of Standards and Technology)
Jacob M. Taylor (University of Maryland, National Institute of Standards and Technology)
Reed W. Andrews (HRL Laboratories)
Jared Benson (University of Wisconsin-Madison)
Garnett W. Bryant (National Institute of Standards and Technology)
Donovan Buterakos (University of Maryland)
Anasua Chatterjee (University of Copenhagen)
Eliška Greplová (TU Delft - QN/Greplová Lab, Kavli institute of nanoscience Delft, TU Delft - QCD/Greplova Lab)
Brennan Undseth (TU Delft - QCD/Vandersypen Lab, TU Delft - QuTech Advanced Research Centre, Kavli institute of nanoscience Delft)
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Abstract
Gate-defined quantum dots are a promising candidate system for realizing scalable, coupled qubit systems and serving as a fundamental building block for quantum computers. However, present-day quantum dot devices suffer from imperfections that must be accounted for, which hinders the characterization, tuning, and operation process. Moreover, with an increasing number of quantum dot qubits, the relevant parameter space grows sufficiently to make heuristic control infeasible. Thus, it is imperative that reliable and scalable autonomous tuning approaches are developed. This meeting report outlines current challenges in automating quantum dot device tuning and operation with a particular focus on datasets, benchmarking, and standardization. We also present insights and ideas put forward by the quantum dot community on how to overcome them. We aim to provide guidance and inspiration to researchers invested in automation efforts.
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