论文标题
通过HOPF分叉的单光学耦合率的绝对确定
Absolute determination of the single-photon optomechanical coupling rate via a Hopf bifurcation
论文作者
论文摘要
我们建立了一种确定单光机电耦合率的方法，该耦合速率表征了光学机械系统中的辐射压力相互作用。机械振荡器最初处于热状态的速率的估计，经历了HOPF分叉并达到极限周期，使我们能够以简单且一致的方式确定单光机电偶联速率。最重要的是，与其他方法相反，我们的方法不依赖于系统的浴温温度和信号的校准。我们提供理论框架，并在实验上验证该方法，为光学机制系统的完整表征提供了一个过程，每当谐振器通过与其他自由度的适当交互将谐振器驱动到极限周期时，可以扩展腔量光学机械。
We establish a method for the determination of the single-photon optomechanical coupling rate, which characterizes the radiation pressure interaction in an optomechanical system. The estimation of the rate with which a mechanical oscillator, initially in a thermal state, undergoes a Hopf bifurcation, and reaches a limit cycle, allows us to determine the single-photon optomechanical coupling rate in a simple and consistent way. Most importantly, and in contrast to other methods, our method does not rely on knowledge of the system's bath temperature and on a calibration of the signal. We provide the theoretical framework, and experimentally validate this method, providing a procedure for the full characterization of an optomechanical system, which could be extended outside cavity optomechanics, whenever a resonator is driven into a limit cycle by the appropriate interaction with another degree of freedom.
