腔式光机电再生放大
Cavity optoelectromechanical regenerative amplification
摘要：
实验证明了腔式光机电再生放大技术的可行性。光学腔增强了机械转换，即使对于重型振荡器也可以进行灵敏的测量。一个27.3 MHz的机械模式的微型环形线圈的线宽缩小到6.6 \pm 1.4兆赫，30倍小于以前实现的辐射压力驱动在这样的系统。这些结果可能有应用领域，如超灵敏的光机械质谱。
英文摘要：
Cavity optoelectromechanical regenerative amplification is demonstrated. An optical cavity enhances mechanical transduction, allowing sensitive measurement even for heavy oscillators. A 27.3 MHz mechanical mode of a microtoroid was linewidth narrowed to 6.6\pm1.4 mHz, 30 times smaller than previously achieved with radiation pressure driving in such a system. These results may have applications in areas such as ultrasensitive optomechanical mass spectroscopy.
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