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Superconducting Qubits

Catching Shaped Microwave Photons with 99.4% Absorption Efficiency

arXiv
Authors: J. Wenner, Yi Yin, Yu Chen, R. Barends, B. Chiaro, E. Jeffrey, J. Kelly, A. Megrant, J. Y. Mutus, C. Neill, P. J. J. O'Malley, P. Roushan, D. Sank, A. Vainsencher, T. C. White, Alexander N. Korotkov, A. N. Cleland, John M. Martinis

Year

2013

Paper ID

32072

Status

Preprint

Abstract Read

~2 min

Abstract Words

71

Citations

N/A

Abstract

We demonstrate a high efficiency deterministic quantum receiver to convert flying qubits to logic qubits. We employ a superconducting resonator, which is driven with a shaped pulse through an adjustable coupler. For the ideal "time reversed" shape, we measure absorption and receiver fidelities at the single microwave photon level of, respectively, 99.41% and 97.4%. These fidelities are comparable with gates and measurement and exceed the deterministic quantum communication and computation fault tolerant thresholds.

Why This Paper Matters

  • This paper contributes to the Superconducting Qubits research area in the Quantum Articles archive.
  • It adds a 2013 reference point for readers tracking recent quantum research.
  • We demonstrate a high efficiency deterministic quantum receiver to convert flying qubits to logic qubits.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:1311.1180 [2] arXiv https://arxiv.org/abs/1311.1180 [3] Publisher https://arxiv.org/abs/1311.1180

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External citation index: OpenAlex citation signal

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