Roels J, Maes B, Bogaerts W, Baets R, Van Thourhout D
Department of Information Technology, Ghent University-IMEC, Gent.
Opt Express. 2011 Jul 4;19(14):13081-8. doi: 10.1364/OE.19.013081.
Mass sensing and time keeping applications require high frequency integrated micromechanical oscillators. To overcome the increasing mechanical stiffness of these structures sensitive optical vibration detection and efficient actuation is required. Therefore we have implemented an active feedback system, where the feedback signal is provided by the optical gradient force that is present between nanophotonic waveguides on a silicon-on-insulator chip. We found that access to the parametric instability regime can be easily controlled by tuning the wavelength.
质量传感和计时应用需要高频集成微机械振荡器。为了克服这些结构不断增加的机械刚度，需要灵敏的光学振动检测和高效的驱动。因此，我们实现了一个有源反馈系统，其中反馈信号由绝缘体上硅芯片上的纳米光子波导之间存在的光学梯度力提供。我们发现，通过调整波长可以很容易地控制进入参数不稳定区域。
