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Squeezing and Multi...
Squeezing and Multimode Entanglement of Surface Acoustic Wave Phonons
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Andersson, Gustav (author)
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- Jolin, Shan Williams (author)
- KTH,Nanostrukturfysik
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Scigliuzzo, Marco (author)
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Borgani, Riccardo (author)
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- Tholen, Mats O. (author)
- KTH,Nanostrukturfysik,Intermodulation Products AB, Segersta SE-82393, Sweden
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- Rivera Hernández, Juan Carlos (author)
- KTH,Nanostrukturfysik
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Shumeiko, Vitaly (author)
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- Haviland, David B. (author)
- KTH,Nanostrukturfysik
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Delsing, Per (author)
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(creator_code:org_t)
- 2022-01-20
- 2022
- English.
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In: PRX Quantum. - : American Physical Society (APS). - 2691-3399. ; 3:1
- Related links:
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https://doi.org/10.1...
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http://link.aps.org/...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Subject headings
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- Exploiting multiple modes in a quantum acoustic device could enable applications in quantum information in a hardware-efficient setup, including quantum simulation in a synthetic dimension and continuous-variable quantum computing with cluster states. We develop a multimode surface acoustic wave (SAW) resonator with a superconducting quantum interference device (SQUID) integrated in one of the Bragg reflectors. The interaction with the SQUID-shunted mirror gives rise to coupling between the more than 20 accessible resonator modes. We exploit this coupling to demonstrate two-mode squeezing of SAW phonons, as well as four-mode multipartite entanglement. Our results open avenues for continuous-variable quantum computing in a compact hybrid quantum system.
Subject headings
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
Keyword
- Fysik
- Physics
Publication and Content Type
- ref (subject category)
- art (subject category)
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