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Ian, Hou; Gong, Zhi-rui; Sun, Chang-pu; Sun, CP , Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China
Noise suppression for micromechanical resonator via intrinsic dynamic feedback
Source PublicationFRONTIERS OF PHYSICS IN CHINA
AbstractWe study a dynamic mechanism to passively suppress the thermal noise of a micromechanical resonator through an intrinsic self-feedback that is genuinely non-Markovian. We use two coupled resonators, one as the target resonator and the other as an ancillary resonator, to illustrate the mechanism and its noise reduction effect. The intrinsic feedback is realized through the dynamics of coupling between the two resonators: the motions of the target resonator and the ancillary resonator mutually influence each other in a cyclic fashion. Specifically, the states that the target resonator has attained earlier will affect the state it attains later due to the presence of the ancillary resonator. We show that the feedback mechanism will bring forth the effect of noise suppression in the spectrum of displacement, but not in the spectrum of momentum.
2008
ISSN1673-3487
Volume3Issue:3Pages:294-305
Subject AreaPhysics
Indexed BySCI
Funding OrganizationNational Natural Science Foundation of China[90203018, 10474104, 60433050]; National Fundamental Research Program of China[2001CB309310, 2005CB724508] ; National Natural Science Foundation of China[90203018, 10474104, 60433050]; National Fundamental Research Program of China[2001CB309310, 2005CB724508] ; National Natural Science Foundation of China[90203018, 10474104, 60433050]; National Fundamental Research Program of China[2001CB309310, 2005CB724508] ; National Natural Science Foundation of China[90203018, 10474104, 60433050]; National Fundamental Research Program of China[2001CB309310, 2005CB724508]
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Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/5468
Collection理论物理所科研产出_SCI论文
Corresponding AuthorSun, CP , Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China
Recommended Citation
GB/T 7714
Ian, Hou,Gong, Zhi-rui,Sun, Chang-pu,et al. Noise suppression for micromechanical resonator via intrinsic dynamic feedback[J]. FRONTIERS OF PHYSICS IN CHINA,2008,3(3):294-305.
APA Ian, Hou,Gong, Zhi-rui,Sun, Chang-pu,&Sun, CP , Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China.(2008).Noise suppression for micromechanical resonator via intrinsic dynamic feedback.FRONTIERS OF PHYSICS IN CHINA,3(3),294-305.
MLA Ian, Hou,et al."Noise suppression for micromechanical resonator via intrinsic dynamic feedback".FRONTIERS OF PHYSICS IN CHINA 3.3(2008):294-305.
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