Phonon-based scalable platform for chip-scale quantum computing

Reinke, Charles M.; El-Kady, Ihab

doi:10.1063/1.4972568

Title: Phonon-based scalable platform for chip-scale quantum computing

Journal Article · Mon Dec 19 00:00:00 EST 2016 · AIP Advances

DOI:https://doi.org/10.1063/1.4972568· OSTI ID:1340519

Reinke, Charles M. ^[1]; El-Kady, Ihab ^[2]

Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Sandia National Lab. (SNL-NM), Albuquerque, NM (United States); Univ. of New Mexico, Albuquerque, NM (United States)

Here, we present a scalable phonon-based quantum computer on a phononic crystal platform. Practical schemes involve selective placement of a single acceptor atom in the peak of the strain field in a high-Q phononic crystal cavity that enables coupling of the phonon modes to the energy levels of the atom. We show theoretical optimization of the cavity design and coupling waveguide, along with estimated performance figures of the coupled system. A qubit can be created by entangling a phonon at the resonance frequency of the cavity with the atom states. Qubits based on this half-sound, half-matter quasi-particle, called a phoniton, may outcompete other quantum architectures in terms of combined emission rate, coherence lifetime, and fabrication demands.

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Research Organization:: Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)

Sponsoring Organization:: USDOE National Nuclear Security Administration (NNSA)

Grant/Contract Number:: AC04-94AL85000

OSTI ID:: 1340519

Report Number(s):: SAND-2016-9940J; 648000; TRN: US1701127

Journal Information:: AIP Advances, Vol. 6, Issue 12; ISSN 2158-3226

Publisher:: American Institute of Physics (AIP)Copyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 10 works

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Cited By (4)

Acoustic waveguiding in a silicon carbide phononic crystals at microwave frequencies Ghasemi Baboly, M.; Reinke, C. M.; Griffin, B. A. Applied Physics Letters, Vol. 112, Issue 10 https://doi.org/10.1063/1.5016380	journal	March 2018
Bistable metamaterial for switching and cascading elastic vibrations Bilal, Osama R.; Foehr, André; Daraio, Chiara Proceedings of the National Academy of Sciences, Vol. 114, Issue 18 https://doi.org/10.1073/pnas.1618314114	journal	April 2017
Broadband reconfigurable logic gates in phonon waveguides Hatanaka, Daiki; Darras, Tom; Mahboob, Imran arXiv https://doi.org/10.48550/arxiv.1612.04491	text	January 2016
Novel hermetically sealed device to realize unconventional phonon blockade at near-micron dimensions and milli Kelvin temperatures Nema, Jayant K.; Gupta, Srijan; Thakkar, Riya arXiv https://doi.org/10.48550/arxiv.2009.03227	preprint	January 2020

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