期刊
OPTICS EXPRESS
卷 27, 期 4, 页码 3909-3919出版社
OPTICAL SOC AMER
DOI: 10.1364/OE.27.003909
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资金
- National Natural Science Foundation of China [61822507, 61835005, 61875248, 61522501, 61475024, 61675004, 61705107, 61727817, 61775098, 61720106015, 11374050, 11774054]
- National High Technology 863 Program of China [2015AA015501, 2015AA015502]
- Beijing Young Talent [2016000026833ZK15]
- Fund of State Key Laboratory of IPOC (BUPT)
- Natural Science Foundation of Jiangsu Province [BK20161410]
- Qing Lan project of Jiangsu
We present a theoretical scheme to realize high-sensitive mass detection in a dispersive optomechanical system (DOMS) via nonlinear sum-sideband. In this scheme, DOMS assisted by a degenerate parametric amplifier (DPA) provides a well-established optomechanical circumstance, where nonlinear optomechanical interaction between cavity mode and mechanical mode of dielectric membrane is expected for creating the frequency components at optical sum-sideband. Such a scheme for mass detection mainly relies on monitoring the conversion efficiency of generated sum-sideband after the added mass is absorbed on the dielectric membrane. Using experimentally achievable parameters, we find that the conversion efficiency of sum-sideband and the sensitivity of mass detection can be simultaneously improved when the nonlinear gain of DPA increases. Furthermore, our results also demonstrate that this mass detection of DOMS can reach femtogram (fg) level resolution, when the method of mass detection relies on a direct relationship between maximum efficiency of sum-sideband and mass-change of membrane. (C) 2019 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
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