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Trapped Ion Quantum Computing Superconducting Qubits

Parametrically induced strong coupling between a superconducting quantum circuit and a solid-state spin ensemble

arXiv
Authors: Alejandro E. Baptista, Jinwoong Kim, Sonia Rani, Xi Cao, Wolfgang Pfaff

Year

2026

Paper ID

67908

Status

Preprint

Abstract Read

~2 min

Abstract Words

80

Citations

0

Abstract

Efficient quantum state transfer between superconducting circuits and solid-state spins would unlock high-coherence quantum memories for superconducting quantum processors. We demonstrate dynamically controlled strong coupling between a Josephson circuit and a rare-earth spin ensemble. Using a parametric pump, we realize on-demand coupling of several MHz, which will enable faithful state transfer between quantum circuits and spins. Our architecture enables quantum control of spin ensembles, and paves the way for hybrid memories with coherence far beyond those of superconducting circuits alone.

Why This Paper Matters

  • This paper contributes to the Superconducting Qubits research area in the Quantum Articles archive.
  • It adds a 2026 reference point for readers tracking recent quantum research.
  • Efficient quantum state transfer between superconducting circuits and solid-state spins would unlock high-coherence quantum memories for superconducting quantum processors.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:2606.03897 [2] arXiv https://arxiv.org/abs/2606.03897 [3] Publisher https://arxiv.org/abs/2606.03897

Local Citation Graph (Related-Paper Links)

Current Paper #67908 #68985 Floquet Entanglement Generation... #69039 SAT, MaxSAT, and SMT for QLDPC ... #69038 Physically Constrained Ensemble... #69031 Amplitude-dependent quantum hyd...

External citation index: OpenAlex citation signal • updated 2026-06-14 16:57:14

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