论文标题
质量反向逃避氮化硅膜谐振器的测量值
Quantum backaction evading measurements of a silicon nitride membrane resonator
论文作者
论文摘要
量子反向通过引入其他波动来打扰机械振荡器的位置。在量子反性测量技术中，尽管以丢失部分信息为代价，但可以逃避背部。在这项工作中，我们使用微波炉读数使用了707 kHz频率的大型0.5毫米直径的氮化物膜振荡器进行了如此量子反向测量。测量表明，可以在大物体运动的正交测量中探测量子反向噪声。
Quantum backaction disturbs the measurement of the position of a mechanical oscillator by introducing additional fluctuations. In a quantum backaction measurement technique, the backaction can be evaded, although at the cost of losing part of the information. In this work, we carry out such a quantum backaction measurement using a large 0.5 mm diameter silicon nitride membrane oscillator with 707 kHz frequency, via a microwave cavity readout. The measurement shows that quantum backaction noise can be evaded in the quadrature measurement of the motion of a large object.
