Abstract
We show how to bridge the divide between atomic systems and electronic devices by engineering a coupling between the motion of a single ion and the quantized electric field of a resonant circuit. Our method can be used to couple the internal state of an ion to the quantized circuit with the same speed as the internal-state coupling between two ions. All the well-known quantum information protocols linking ion internal and motional states can be converted to protocols between circuit photons and ion internal states. Our results enable quantum interfaces between solid state qubits, atomic qubits, and light, and lay the groundwork for a direct quantum connection between electrical and atomic metrology standards.
- Received 25 November 2011
DOI:https://doi.org/10.1103/PhysRevLett.108.130504
© 2012 American Physical Society
Focus
Quantum Information Not Lost in Translation
Published 30 March 2012
Researchers propose a way to transfer quantum information between ions and electronic circuits, opening up new options for quantum computation.
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