论文标题
比较中间膜和单个腔光系统中的非线性光力耦合
Comparing nonlinear optomechanical coupling in membrane-in-the-middle and single-cavity optomechanical systems
论文作者
论文摘要
在空腔光学机械中，光场和机械谐振器模式之间的非线性相互作用在经典和量子测量和信息处理中都能产生各种独特的效果。在这里，我们以一种允许直接比较标准的单个单个光学机械系统中的内在的光力学非线性进行直接比较的方式描述了中间膜（MIM）设置中的非线性光力耦合。我们发现，如Ludwig等人所预测的，在MIM系统中非线性光力耦合的增强。 ARXIV：1202.0532仅限于系统的边带分辨率程度。此外，我们表明非线性对线性转导的MIM系统的选择性与单个腔体系统的极限相同。这些发现对使用MIM系统有利的实验构成了限制。我们讨论了该系统中的动力反性效应，发现每个腔光子光子的这些效果与单个腔体系统一样强，同时允许降低所需的输入功率。我们建议在现实的MIM系统中使用非线性增强和降低输入功率来参数挤压和声音，并评估两种效果幅度的极限。
In cavity optomechanics, nonlinear interactions between an optical field and a mechanical resonator mode enable a variety of unique effects in classical and quantum measurement and information processing. Here, we describe nonlinear optomechanical coupling in the membrane-in-the-middle (MIM) setup in a way that allows direct comparison to the intrinsic optomechanical nonlinearity in a standard, single-cavity optomechanical system. We find that the enhancement of nonlinear optomechanical coupling in the MIM system as predicted by Ludwig et al. arXiv:1202.0532 is limited to the degree of sideband resolution of the system. Moreover, we show that the selectivity of the MIM system of nonlinear over linear transduction has the same limit as in a single cavity system. These findings put constraints on the experiments in which it is advantageous to use a MIM system. We discuss dynamical backaction effects in this system and find that these effects per cavity photon are exactly as strong as in a single cavity system, while allowing for reduction of the required input power. We propose using the nonlinear enhancement and reduced input power in realistic MIM systems towards parametric squeezing and heralding of phonon pairs, and evaluate the limits to the magnitude of both effects.
