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Stationary optomech...
Stationary optomechanical entanglement between a mechanical oscillator and its measurement apparatus
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- Gut, C. (author)
- University of Hanover, Germany,Universität Wien,University of Vienna
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- Winkler, K. (author)
- Universität Wien,University of Vienna
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- Hoelscher-Obermaier, J. (author)
- Universität Wien,University of Vienna
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- Hofer, S. G. (author)
- University of Hanover, Germany,Universität Wien,University of Vienna
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- Nia, R. Moghadas (author)
- Universität Wien,University of Vienna
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- Walk, N. (author)
- Freie Universität Berlin
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- Steffens, A. (author)
- Freie Universität Berlin
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- Eisert, J. (author)
- Freie Universität Berlin
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- Wieczorek, Witlef, 1979 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Slater, J. A. (author)
- Technische Universiteit Delft,Delft University of Technology (TU Delft),Universität Wien,University of Vienna
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- Aspelmeyer, M. (author)
- Universität Wien,University of Vienna,Österreichische Akademie der Wissenschaften,Austrian Academy of Sciences
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- Hammerer, K. (author)
- University of Hanover, Germany
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(creator_code:org_t)
- 2020
- 2020
- English.
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In: PHYSICAL REVIEW RESEARCH. - 2643-1564. ; 2:3
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Abstract
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- We provide an argument to infer stationary entanglement between light and a mechanical oscillator based on continuous measurement of light only. We propose an experimentally realizable scheme involving an optomechanical cavity driven by a resonant, continuous-wave field operating in the non-sideband-resolved regime. This corresponds to the conventional configuration of an optomechanical position or force sensor. We show analytically that entanglement between the mechanical oscillator and the output field of the optomechanical cavity can be inferred from the measurement of squeezing in (generalized) Einstein-Podolski-Rosen quadratures of suitable temporal modes of the stationary light field. Squeezing can reach levels of up to 50% of noise reduction below shot noise in the limit of large quantum cooperativity. Remarkably, entanglement persists even in the opposite limit of small cooperativity. Viewing the optomechanical device as a position sensor, entanglement between mechanics and light is an instance of object-apparatus entanglement predicted by quantum measurement theory.
Subject headings
- NATURVETENSKAP -- Fysik -- Atom- och molekylfysik och optik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Atom and Molecular Physics and Optics (hsv//eng)
- NATURVETENSKAP -- Fysik -- Annan fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Other Physics Topics (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Annan elektroteknik och elektronik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Other Electrical Engineering, Electronic Engineering, Information Engineering (hsv//eng)
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- art (subject category)
- ref (subject category)
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- By the author/editor
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Gut, C.
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Winkler, K.
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Hoelscher-Oberma ...
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Hofer, S. G.
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Nia, R. Moghadas
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Walk, N.
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show more...
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Steffens, A.
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Eisert, J.
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Wieczorek, Witle ...
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Slater, J. A.
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Aspelmeyer, M.
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Hammerer, K.
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show less...
- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Atom and Molecul ...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Other Physics To ...
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- ENGINEERING AND TECHNOLOGY
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ENGINEERING AND ...
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and Electrical Engin ...
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and Other Electrical ...
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PHYSICAL REVIEW ...
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Chalmers University of Technology