A Caltech Library Service

Quantum electromechanics of a hypersonic crystal

Kalaee, Mahmoud and Mirhosseini, Mohammad and Dieterle, Paul B. and Peruzzo, Matilda and Fink, Johannes M. and Painter, Oskar (2019) Quantum electromechanics of a hypersonic crystal. Nature Nanotechnology, 14 . pp. 334-339. ISSN 1748-3387. doi:10.1038/s41565-019-0377-2.

[img] PDF - Submitted Version
See Usage Policy.

[img] PDF (Supplementary Figures 1–6, Supplementary Notes 1–8) - Supplemental Material
See Usage Policy.


Use this Persistent URL to link to this item:


Recent technical developments in the fields of quantum electromechanics and optomechanics have spawned nanoscale mechanical transducers with the sensitivity to measure mechanical displacements at the femtometre scale and the ability to convert electromagnetic signals at the single photon level. A key challenge in this field is obtaining strong coupling between motion and electromagnetic fields without adding additional decoherence. Here we present an electromechanical transducer that integrates a high-frequency (0.42 GHz) hypersonic phononic crystal with a superconducting microwave circuit. The use of a phononic bandgap crystal enables quantum-level transduction of hypersonic mechanical motion and concurrently eliminates decoherence caused by acoustic radiation. Devices with hypersonic mechanical frequencies provide a natural pathway for integration with Josephson junction quantum circuits, a leading quantum computing technology, and nanophotonic systems capable of optical networking and distributing quantum information.

Item Type:Article
Related URLs:
URLURL TypeDescription ReadCube access Paper
Fink, Johannes M.0000-0001-8112-028X
Painter, Oskar0000-0002-1581-9209
Additional Information:© 2019 Springer Nature Publishing AG. Received 14 August 2018; Accepted 15 January 2019; Published 18 February 2019. This work was supported by the AFOSR MURI Wiring Quantum Networks with Mechanical Transducers (grant FA9550-15-1-0015), the ARO-LPS Cross-Quantum Technology Systems programme (grant W911NF-18-1-0103), the Institute for Quantum Information and Matter, an NSF Physics Frontiers Center (grant PHY-1125565) with support of the Gordon and Betty Moore Foundation, and the Kavli Nanoscience Institute at Caltech. M.M. acknowledges support from a KNI Postdoctoral Fellowship. J.M.F. acknowledges support from an IQIM Postdoctoral Fellowship. Author Contributions: M.K., J.M.F. and O.P. came up with the concept and planned the experiment. M.K., P.B.D., M.M., M.P., J.M.K. and O.P. designed and fabricated the device. M.K., M.M. and O.P. performed the measurements and analysed the data. All authors contributed to the writing of the manuscript. Data availability: The data that support the findings of this study are available from the corresponding author (O.P.) upon reasonable request. The authors declare no competing interests.
Group:Kavli Nanoscience Institute, Institute for Quantum Information and Matter
Funding AgencyGrant Number
Air Force Office of Scientific Research (AFOSR)FA9550-15-1-0015
Army Research Office (ARO)W911NF-18-1-0103
Institute for Quantum Information and Matter (IQIM)UNSPECIFIED
Gordon and Betty Moore FoundationUNSPECIFIED
Kavli Nanoscience InstituteUNSPECIFIED
Subject Keywords:NEMS; Optomechanics; Quantum information; Superconducting devices
Record Number:CaltechAUTHORS:20190107-154636309
Persistent URL:
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:92123
Deposited By: George Porter
Deposited On:08 Jan 2019 00:06
Last Modified:16 Nov 2021 03:47

Repository Staff Only: item control page