Bulletin of the American Physical Society
APS March Meeting 2020
Volume 65, Number 1
Monday–Friday, March 2–6, 2020; Denver, Colorado
Session R68: Control and Calibration Tools for Scalable Quantum Computing
8:00 AM–11:00 AM,
Thursday, March 5, 2020
Room: Four Seasons 4
Sponsoring Unit: DQI
Chair: Robin Blume-Kohout, Sandia National Laboratories
Abstract: R68.00003 : Advanced Control Calibration for NISQ QPUs and Quantum Devices - Theory and Experiments*
Anurag Saha Roy
We present a strategy which is capable of optimizing dozens of parameters, optimizing both an entangling gate and the single qubit gates of the two qubits involved, and to do so significantly faster than previously possible.
To succeed in this endeavor we engaged in an in-depth study of the multitudes of gradient-free algorithms available. The result is a unique portfolio of algorithms, for fast initial convergence and high fidelities.
Finally, we present experimental results by several labs that applied the above methodology. We show how our method takes entire gate sets all the way from 0.85 fidelities to state-of-the-art fidelities, using our open-source software.
*Project OpenSuperQ (820363) of the EU Flagship Quantum Technologies.
IARPA through the LogiQ grant No. W911NF-16-1-0114.
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