A coherent all-electrical interface between polar molecules and mesoscopic superconducting resonator
Author: ["A. André","D. DeMille","J. M. Doyle","M. D. Lukin","S. E. Maxwell","P. Rabl","R. J. Schoelkopf","P. Zoller"]
Publication: Nature Physics
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Abstract
Building a scalable quantum processor requires coherent control and preservation of quantum coherence in a large-scale quantum system. Mesoscopic solid-state systems such as Josephson junctions and quantum dots feature robust control techniques using local electrical signals and self-evident scaling; however, in general the quantum states decohere rapidly. In contrast, quantum optical systems based on trapped ions and neutral atoms exhibit much better coherence properties, but their miniaturization and integration with electrical circuits remains a challenge. Here we describe methods for the integration of a single-particle system—an isolated polar molecule—with mesoscopic solid-state devices in a way that produces robust, coherent, quantum-level control. Our setup provides a scalable cavity-QED-type quantum computer architecture, where entanglement of distant qubits stored in long-lived rotational molecular states is achieved via exchange of microwave photons.
Cite this article
André, A., DeMille, D., Doyle, J. et al. A coherent all-electrical interface between polar molecules and mesoscopic superconducting resonators. Nature Phys 2, 636–642 (2006). https://doi.org/10.1038/nphys386
