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arXiv · 1310.3910

Hybrid Atom--Photon Quantum Gate in a Superconducting Microwave Resonator

J. D. Pritchard·J. A. Isaacs·M. A. Beck·R. McDermott·M. Saffman
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Abstract

We propose a novel hybrid quantum gate between an atom and a microwave photon in a superconducting coplanar waveguide cavity by exploiting the strong resonant microwave coupling between adjacent Rydberg states. Using experimentally achievable parameters gate fidelities $> 0.99$ are possible on sub-$μ$s timescales for waveguide temperatures below 40 mK. This provides a mechanism for generating entanglement between two disparate quantum systems and represents an important step in the creation of a hybrid quantum interface applicable for both quantum simulation and quantum information processing.

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J. D. Pritchard, J. A. Isaacs, M. A. Beck, R. McDermott, M. Saffman. 2013-12-18. Hybrid Atom--Photon Quantum Gate in a Superconducting Microwave Resonator. https://doi.org/10.1103/physreva.89.010301

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