Hardware Implementation of Quantum Stabilizers in Superconducting Circuits

K. Dodge, Y. Liu, A. R. Klots, B. Cole, A. Shearrow, M. Senatore, S. Zhu, L. B. Ioffe, R. McDermott, B. L.T. Plourde

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

Stabilizer operations are at the heart of quantum error correction and are typically implemented in software-controlled entangling gates and measurements of groups of qubits. Alternatively, qubits can be designed so that the Hamiltonian corresponds directly to a stabilizer for protecting quantum information. We demonstrate such a hardware implementation of stabilizers in a superconducting circuit composed of chains of π-periodic Josephson elements. With local on-chip flux and charge biasing, we observe a progressive softening of the energy band dispersion with respect to flux as the number of frustrated plaquette elements is increased, in close agreement with our numerical modeling.

Original languageEnglish (US)
Pages (from-to)150602
Number of pages1
JournalPhysical Review Letters
Volume131
Issue number15
DOIs
StatePublished - Oct 13 2023

ASJC Scopus subject areas

  • General Physics and Astronomy

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