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Trapped Ion Quantum Computing Superconducting Qubits

Photon Statistics of Propagating Thermal Microwaves

arXiv
Authors: J. Goetz, S. Pogorzalek, F. Deppe, K. G. Fedorov, P. Eder, M. Fischer, F. Wulschner, E. Xie, A. Marx, R. Gross

Year

2016

Paper ID

43396

Status

Preprint

Abstract Read

~2 min

Abstract Words

81

Citations

N/A

Abstract

In experiments with superconducting quantum circuits, characterizing the photon statistics of propagating microwave fields is a fundamental task. We quantify the n2 {+} n photon number variance of thermal microwave photons emitted from a black-body radiator for mean photon numbers 0.05 {lesssim} n {lesssim} 1.5. We probe the fields using either correlation measurements or a transmon qubit coupled to a microwave resonator. Our experiments provide a precise quantitative characterization of weak microwave states and information on the noise emitted by a Josephson parametric amplifier.

Why This Paper Matters

  • This paper contributes to the Superconducting Qubits research area in the Quantum Articles archive.
  • It adds a 2016 reference point for readers tracking recent quantum research.
  • In experiments with superconducting quantum circuits, characterizing the photon statistics of propagating microwave fields is a fundamental task.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:1609.07353 [2] arXiv https://arxiv.org/abs/1609.07353 [3] Publisher https://arxiv.org/abs/1609.07353

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