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APS -APS March Meeting 2017 - Event - Improving optomechanical sensors with injected squeezing

机译:APS -APS 2017年3月会议-活动-通过注射挤压改善光机械传感器

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Optomechanical systems have recently entered the quantum domain and in this regime they may provide highly sensitive detection of masses, forces and displacements. We show how the performance of optomechanical systems can be significantly improved when the optomechanical cavity is driven not only by a laser but also by squeezed vacuum light with an appropriate phase. We show in particular the improvement in force sensing in the regime of coherent quantum noise cancellation [1], backaction cooling due to the possibility to suppress scattering at the Stokes sideband [2], and also the ability to entangle two mechanical resonators, even out of the resolved sideband regime [3].[1] Ali Motazedifard, F. Bemani, M. H. Naderi, R. Roknizadeh, D. Vitali, New J. Phys. 18 (2016) 073040[2] Muhammad Asjad, Stefano Zippilli, David Vitali, arXiv:1606.09007.[3] Muhammad Asjad, Stefano Zippilli, David VitaliPhys. Rev. A 93, 062307 (2016)
机译:光机械系统最近进入了量子域,在这种情况下,它们可以提供对质量,力和位移的高度灵敏的检测。我们展示了当光机械腔不仅由激光驱动,而且由具有适当相位的压缩真空光驱动时,如何可以显着改善光机械系统的性能。我们特别展示了相干量子噪声消除机制中力感测的改进[1],归因于抑制斯托克斯边带散射的可能性[2]的后向冷却,以及纠缠两个机械谐振器的能力,甚至消除了这种情况。解析的边带状态[3]。[1] Ali Motazedifard,F.Bemani,M.H.Naderi,R.Roknizadeh,D.Vitali,New J. 18(2016)073040 [2]穆罕默德·阿贾德,斯特凡诺·齐皮利,戴维·维塔利,arXiv:1606.09007。[3] Muhammad Asjad,Stefano Zippilli,David VitaliPhys。 Rev A 93,062307(2016)

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