| Parametric amplification and back-action noise squeezing by a qubit-coupled nanoresonator. | |
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MedLine Citation:
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PMID: 20843059 Owner: NLM Status: PubMed-not-MEDLINE |
Abstract/OtherAbstract:
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We demonstrate the parametric amplification and noise squeezing of nanomechanical motion utilizing dispersive coupling to a Cooper-pair box qubit. By modulating the qubit bias and resulting mechanical resonance shift, we achieve gain of 30 dB and noise squeezing of 4 dB. This qubit-mediated effect is 3000 times more effective than that resulting from the weak nonlinearity of capacitance to a nearby electrode. This technique may be used to prepare nanomechanical squeezed states. |
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Authors:
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Junho Suh; Matthew D LaHaye; Pierre M Echternach; Keith C Schwab; Michael L Roukes |
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Publication Detail:
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Type: Journal Article; Research Support, U.S. Gov't, Non-P.H.S. |
Journal Detail:
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Title: Nano letters Volume: 10 ISSN: 1530-6992 ISO Abbreviation: Nano Lett. Publication Date: 2010 Oct |
Date Detail:
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Created Date: 2010-10-14 Completed Date: 2011-02-01 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101088070 Medline TA: Nano Lett Country: United States |
Other Details:
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Languages: eng Pagination: 3990-4 Citation Subset: - |
Affiliation:
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Condensed Matter Physics, California Institute of Technology, MC 114-36, Pasadena, California 91125, USA. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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