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Title: Quantum control of surface acoustic-wave phonons

Journal Article · · Nature (London)
 [1];  [2];  [2];  [1];  [2];  [2];  [2];  [2];  [3];  [2];  [2];  [2];  [2];  [2];  [3];  [2];  [3]
  1. Univ. of California, Santa Barbara, CA (United States); Univ. of Chicago, Chicago, IL (United States)
  2. Univ. of Chicago, Chicago, IL (United States)
  3. Univ. of Chicago, Chicago, IL (United States); Argonne National Lab. (ANL), Lemont, IL (United States)

One of the hallmarks of quantum physics is the generation of non-classical quantum states and superpositions, which has been demonstrated in several quantum systems, including ions, solid-state qubits and photons. However, only indirect demonstrations of non-classical states have been achieved in mechanical systems, despite the scientific appeal and technical utility of such a capability, including in quantum sensing, computation and communication applications. This is due in part to the highly linear response of most mechanical systems, which makes quantum operations difficult, as well as their characteristically low frequencies, which hinder access to the quantum ground state. Here we demonstrate full quantum control of the mechanical state of a macroscale mechanical resonator. Furthermore, we strongly couple a surface acoustic-wave resonator to a superconducting qubit, using the qubit to control and measure quantum states in the mechanical resonator. We generate a non-classical superposition of the zero-and one-phonon Fock states and map this and other states using Wigner tomography. Such precise, programmable quantum control is essential to a range of applications of surface acoustic waves in the quantum limit, including the coupling of disparate quantum systems.

Research Organization:
Argonne National Laboratory (ANL), Argonne, IL (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES); National Science Foundation (NSF); US Air Force Office of Scientific Research (AFOSR); David and Lucile Packard Foundation
Grant/Contract Number:
AC02-06CH11357; DGE-1144085; DMR-1420709; NNCI-1542205
OSTI ID:
1488391
Journal Information:
Nature (London), Vol. 563, Issue 7733; ISSN 0028-0836
Publisher:
Nature Publishing GroupCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 189 works
Citation information provided by
Web of Science

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Cited By (38)

Strong mechanical squeezing for a levitated particle by coherent scattering journal January 2020
Coherent acoustic phonons and ultrafast carrier dynamics in hetero-epitaxial BaTiO 3 –BiFeO 3 films and nanorods journal January 2019
Non-exponential decay of a giant artificial atom journal August 2019
Unidirectional distributed acoustic reflection transducers for quantum applications journal June 2019
Backaction-evading measurement of entanglement in optomechanics journal August 2019
Unconventional cavity optomechanics: Nonlinear control of phonons in the acoustic quantum vacuum journal December 2019
Hardware-Efficient Quantum Random Access Memory with Hybrid Quantum Acoustic Systems journal December 2019
N -Phonon Bundle Emission via the Stokes Process journal February 2020
Generation and Propagation of Superhigh-Frequency Bulk Acoustic Waves in Ga As journal October 2019
Input-Output Theory with Quantum Pulses journal September 2019
Resolving the energy levels of a nanomechanical oscillator journal July 2019
Counting grains of sound journal July 2019
Simple non-galvanic flip-chip integration method for hybrid quantum systems journal April 2019
Phononic Band Structure Engineering for High- Q Gigahertz Surface Acoustic Wave Resonators on Lithium Niobate journal July 2019
Operation and intrinsic error budget of a two-qubit cross-resonance gate journal July 2019
S-band delay lines in suspended lithium niobate journal February 2020
Quantum electromechanics of a hypersonic crystal journal February 2019
Phonon-mediated quantum state transfer and remote qubit entanglement journal April 2019
Entanglement-based single-shot detection of a single magnon with a superconducting qubit journal January 2020
Piezoelectric Transduction of a Wavelength-Scale Mechanical Waveguide journal February 2020
Integrating superfluids with superconducting qubit systems journal January 2020
Landau-Zener-Stückelberg Interference in a Multimode Electromechanical System in the Quantum Regime journal December 2019
Mechanical Purcell filters for microwave quantum machines journal December 2019
Spin–phonon interactions in silicon carbide addressed by Gaussian acoustics journal February 2019
Resolving Phonon Fock States in a Multimode Cavity with a Double-Slit Qubit journal June 2019
Multiphonon interactions between nitrogen-vacancy centers and nanomechanical resonators journal October 2019
Nonexponential decay of a giant artificial atom text January 2018
Phononic band structure engineering for high-Q gigahertz surface acoustic wave resonators on lithium niobate text January 2019
Resolving the energy levels of a nanomechanical oscillator text January 2019
Resolving Phonon Fock States in a Multimode Cavity with a Double-Slit Qubit text January 2019
Unconventional Cavity Optomechanics: Nonlinear Control of Phonons in the Acoustic Quantum Vacuum text January 2019
Phonon-mediated quantum state transfer and remote qubit entanglement text January 2019
Piezoelectric transduction of a wavelength-scale mechanical waveguide text January 2019
Strong Mechanical Squeezing for a Levitated Particle by Coherent Scattering text January 2019
Entanglement-based single-shot detection of a single magnon with a superconducting qubit text January 2019
Single-photon quantum regime of artificial radiation pressure on a surface acoustic wave resonator journal March 2020
Phononic loss in superconducting resonators on piezoelectric substrates text January 2019
Protected Long-Distance Guiding of Hypersound Underneath a Nano-Corrugated Surface preprint January 2021

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