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Propagating phonons coupled to an artificial atom.

Martin V Gustafsson1, Thomas Aref2, Anton Frisk Kockum2

  • 1Microtechnology and Nanoscience, Chalmers University of Technology, Kemivägen 9, SE-41296 Göteborg, Sweden. Department of Chemistry, Columbia University, NWC Building, 550 West 120th Street, New York, NY 10027, USA. mg3465@columbia.edu per.delsing@chalmers.se.

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Summary
This summary is machine-generated.

Researchers explored quantum information storage using propagating phonons, demonstrating sound

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Area of Science:

  • Quantum physics
  • Quantum acoustics

Background:

  • Quantum information is typically stored in photons.
  • Micromechanical resonators store phonons in localized modes.

Purpose of the Study:

  • To couple propagating phonons to an artificial atom in the quantum regime.
  • To explore quantum phenomena using sound instead of light.

Main Methods:

  • Coupling propagating phonons to a quantum artificial atom.
  • Investigating quantum properties of sound waves.

Main Results:

  • Reproduced findings from quantum optics using phonons.
  • Demonstrated similarities between phonon and photon behavior in quantum systems.
  • Identified unique opportunities for quantum information processing with phonons.

Conclusions:

  • Phonons offer novel quantum information storage and processing capabilities.
  • The low speed and short wavelength of phonons enable new quantum regimes.
  • Quantum acoustics presents a promising avenue for future quantum technologies.