Noise-aware circuit compilations for a continuously parameterized two-qubit gateset

Christopher G. Yale, Rich Rines, Victory Omole, Bharath Thotakura, Ashlyn D. Burch, Matthew N.H. Chow, Megan Ivory, Daniel Lobser, Brian K. McFarland, Melissa C. Revelle, Susan M. Clark, Pranav Gokhale

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

State-of-the-art noisy-intermediate-scale quantum processors are currently implemented across a variety of hardware platforms, each with their own distinct gatesets. As such, circuit compilation should not only be aware of but also deeply connect to the native gateset and noise properties of each. Trapped-ion processors are one such platform that provides a gateset that can be continuously parameterized across both one- and two-qubit gates. Here we use the Quantum Scientific Computing Open User Testbed to study noise-aware compilations focused on continuously parameterized two-qubit ZZ gates (based on the Mølmer-Sørensen interaction) using superstaq, a quantum software platform for hardware-aware circuit compiler optimizations. We discuss the realization of ZZ gates with arbitrary angle on the all-to-all connected trapped-ion system. Then we discuss a variety of different compiler optimizations that innately target these ZZ gates and their noise properties. These optimizations include moving from a restricted maximally entangling gateset to a continuously parameterized one, swap mirroring to further reduce the total entangling angle of the operations, focusing the heaviest ZZ angle participation on the best-performing gate pairs, and circuit approximation to remove the least impactful ZZ gates. We demonstrate these compilation approaches on the hardware with randomized quantum volume circuits, observing the potential to realize a larger quantum volume as a result of these optimizations. Using differing yet complementary analysis techniques, we observe the distinct improvements in system performance provided by these noise-aware compilations and study the role of stochastic and coherent error channels for each compilation choice.

Original languageEnglish
Article number024057
JournalPhysical Review Applied
Volume24
Issue number2
DOIs
StatePublished - Aug 2 2025
Externally publishedYes

Funding

We thank Joshua Goldberg and Antonio Russo for QSCOUT software support and development. This material is supported by the US Department of Energy, Office of Science, Office of Advanced Scientific Computing Research under Award Number DE-SC0021526 and under its Quantum Testbed Program. Sandia National Laboratories is a multimission laboratory managed and operated by National Technology & Engineering Solutions of Sandia, LLC, a wholly owned subsidiary of Honeywell International Inc., for the US Department of Energy’s National Nuclear Security Administration under contract DE-NA0003525. This paper describes objective technical results and analysis. Any subjective views or opinions that might be expressed in the paper do not necessarily represent the views of the US Department of Energy or the United States Government.

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