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Towards phonon rout...
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Ekström, Maria,1988Chalmers tekniska högskola,Chalmers University of Technology
(author)
Towards phonon routing: controlling propagating acoustic waves in the quantum regime
- Article/chapterEnglish2019
Publisher, publication year, extent ...
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2019-12-12
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IOP Publishing,2019
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electronicrdacarrier
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LIBRIS-ID:oai:research.chalmers.se:1290bd57-27c7-464b-b7c7-e71c8e00ba40
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https://research.chalmers.se/publication/516541URI
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https://research.chalmers.se/publication/515750URI
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https://doi.org/10.1088/1367-2630/ab5ca5DOI
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https://research.chalmers.se/publication/517108URI
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Language:English
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Summary in:English
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Subject category:art swepub-publicationtype
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Subject category:ref swepub-contenttype
Notes
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We explore routing of propagating phonons in analogy with previous experiments on photons. Surface acoustic waves (SAWs) in the microwave regime are scattered by a superconducting transmon qubit. The transmon can be tuned on or off resonance with the incident SAW field using an external magnetic field or the Autler-Townes effect, and thus the reflection and transmission of the SAW field can be controlled in time. We observe 80% extinction in the transmission of the low power continuous signal and a 40 ns rise time of the router. The slow propagation speed of SAWs on solid surfaces allows for in-flight manipulations of the propagating phonons. The ability to route short, 100 ns, pulses enables new functionality, for instance to catch an acoustic phonon between two qubits and then release it in a controlled direction.
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Aref, Thomas,1980Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)areft
(author)
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Josefsson Ask, Andreas,1990Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)aask
(author)
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Andersson, Gustav,1990Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)gustaan
(author)
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Suri, Baladitya,1984Indian Institute of Science,Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)surib
(author)
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Sanada, Haruki,1978Nippon Telegraph and Telephone Corporation,Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)haruki
(author)
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Johansson, Göran,1971Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)gojo71
(author)
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Delsing, Per,1959Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)delsing
(author)
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Chalmers tekniska högskolaIndian Institute of Science
(creator_code:org_t)
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In:New Journal of Physics: IOP Publishing21:121367-2630
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