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          Institute: MPI für Gravitationsphysik     Collection: Theoretical Gravitational Wave Physics     Display Documents



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ID: 442851.0, MPI für Gravitationsphysik / Theoretical Gravitational Wave Physics
Standard Quantum Limit for Probing Mechanical Energy Quantization
Authors:Miao, Haixing; Danilishin, Stefan; Corbitt, Thomas; Chen, Yanbei
Date of Publication (YYYY-MM-DD):2009-09-04
Title of Journal:Physical Review Letters
Volume:103
Issue / Number:10
Sequence Number of Article:100402
Review Status:not specified
Audience:Not Specified
Abstract / Description:We derive a standard quantum limit for probing mechanical energy quantization in a class of systems with mechanical modes parametrically coupled to external degrees of freedom. To resolve a single mechanical quantum, it requires a strong-coupling regime—the decay rate of external degrees of freedom is smaller than the parametric coupling rate. In the case for cavity-assisted optomechanical systems, e.g., the one proposed by Thompson et al. [Nature (London) 452, 72 (2008)], zero-point motion of the mechanical oscillator needs to be comparable to the linear dynamical range of the optical system which is characterized by the optical wavelength divided by the cavity finesse.
External Publication Status:published
Document Type:Article
Communicated by:Yanbei Chen
Affiliations:MPI für Gravitationsphysik/Theoretical Gravitational Wave Physics
Identifiers:ISI:000269639800002 [ID No:1]
ISSN:0031-9007 [ID No:2]
DOI:10.1103/PhysRevLett.103.100402
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