期刊
PHYSICAL REVIEW X
卷 5, 期 3, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevX.5.031031
关键词
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资金
- DFG [SFB 631]
- Cluster of Excellence NIM
- Harvard Quantum Optics Center
- Institute for Theoretical Atomic and Molecular Physics
- European Research Council Synergy grant
- NSF
- Center for Ultracold Atoms
- CIQM
- AFOSR MURI
- Division Of Physics
- Direct For Mathematical & Physical Scien [1521560] Funding Source: National Science Foundation
- Division Of Physics
- Direct For Mathematical & Physical Scien [1205635, 1205923, 1506284, 1125846] Funding Source: National Science Foundation
We propose a universal, on-chip quantum transducer based on surface acoustic waves in piezoactive materials. Because of the intrinsic piezoelectric (and/or magnetostrictive) properties of the material, our approach provides a universal platform capable of coherently linking a broad array of qubits, including quantum dots, trapped ions, nitrogen-vacancy centers, or superconducting qubits. The quantized modes of surface acoustic waves lie in the gigahertz range and can be strongly confined close to the surface in phononic cavities and guided in acoustic waveguides. We show that this type of surface acoustic excitation can be utilized efficiently as a quantum bus, serving as an on-chip, mechanical cavity-QED equivalent of microwave photons and enabling long-range coupling of a wide range of qubits.
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