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Trapped Ion Quantum Computing

Quantum harmonic oscillator spectrum analyzers

arXiv
Authors: Jonas Keller, Pan-Yu Hou, Katherine C. McCormick, Daniel C. Cole, Stephen D. Erickson, Jenny J. Wu, Andrew C. Wilson, Dietrich Leibfried

Year

2020

Paper ID

19793

Status

Preprint

Abstract Read

~2 min

Abstract Words

90

Citations

N/A

Abstract

Characterization and suppression of noise are essential for the control of harmonic oscillators in the quantum regime. We measure the noise spectrum of a quantum harmonic oscillator from low frequency to near the oscillator resonance by sensing its response to amplitude modulated periodic drives with a qubit. Using the motion of a trapped ion, we experimentally demonstrate two different implementations with combined sensitivity to noise from 500 Hz to 600 kHz. We apply our method to measure the intrinsic noise spectrum of an ion trap potential in a previously unaccessed frequency range.

Why This Paper Matters

  • This paper contributes to the Trapped-Ion Quantum Computing research area in the Quantum Articles archive.
  • It adds a 2020 reference point for readers tracking recent quantum research.
  • Characterization and suppression of noise are essential for the control of harmonic oscillators in the quantum regime.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:2010.10438 [2] arXiv https://arxiv.org/abs/2010.10438 [3] Publisher https://arxiv.org/abs/2010.10438

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