Measurement-induced macroscopic superposition states in cavity optomechanics

Hoff, Ulrich B., Kollath-Bonig, Johann, Neergaard-Nielsen, Jonas S. and Andersen, Ulrik L. (2016) Measurement-induced macroscopic superposition states in cavity optomechanics. Physical Review Letters, 117 14: 143601. doi:10.1103/PhysRevLett.117.143601

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Author Hoff, Ulrich B.
Kollath-Bonig, Johann
Neergaard-Nielsen, Jonas S.
Andersen, Ulrik L.
Title Measurement-induced macroscopic superposition states in cavity optomechanics
Journal name Physical Review Letters   Check publisher's open access policy
ISSN 1079-7114
Publication date 2016-09-28
Year available 2016
Sub-type Article (original research)
DOI 10.1103/PhysRevLett.117.143601
Open Access Status File (Publisher version)
Volume 117
Issue 14
Start page 143601
Total pages 6
Place of publication College Park, MD, United States
Publisher American Physical Society
Language eng
Abstract A novel protocol for generating quantum superpositions of macroscopically distinct states of a bulk mechanical oscillator is proposed, compatible with existing optomechanical devices operating in the bad-cavity limit. By combining a pulsed optomechanical quantum nondemolition (QND) interaction with nonclassical optical resources and measurement-induced feedback, the need for strong single-photon coupling is avoided. We outline a three-pulse sequence of QND interactions encompassing squeezing-enhanced cooling by measurement, state preparation, and tomography.
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: School of Mathematics and Physics
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Citation counts: TR Web of Science Citation Count  Cited 6 times in Thomson Reuters Web of Science Article | Citations
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