标题： 通过膜中间系统上的两个驱动场打破光机械冷却极限 显示英文标题

标题： Breaking optomechanical cooling limit by two drive fields on a membrane-in-middle system

摘要： 我们提出了一种理论方案，用于在由两个红失谐驱动场驱动的膜中间光学机械系统（OMS）中实现机械谐振器的基态冷却。 提供了OMS动态演化的详细信息，并系统研究了系统条件对冷却结果的影响。 最重要的是，发现具有两个驱动的设置能够比单腔的理论冷却极限实现更好的冷却效果。 通过适当组合腔体阻尼率和驱动强度，甚至可能将热声子数提高一个数量级。 显示英文摘要

摘要： We present a theoretical scheme for ground state cooling of a mechanical resonator in a membrane-in-middle optomechanical system (OMS) driven by two red-detuned drive fields. The details of dynamical evolution of OMS are provided, and the effect of system conditions on cooling results are systematically studied. Most importantly, the setups with two drives are found to be capable of achieving better cooling results than the theoretical cooling limit with single cavity. Even an improvement by one order of thermal phonon number is possible with proper combination of the cavity damping rate and drive intensity.