论文标题
射频反射仪中的噪声分布的栅极电压依赖性在砷氧化衣量子点中
Gate voltage dependence of noise distribution in radio-frequency reflectometry in gallium arsenide quantum dots
论文作者
论文摘要
我们研究了使用砷耐量子点的高速RF反射仪中电读数噪声的栅极电压依赖性。实时测量的快速傅立叶变换频谱反映了建筑设备的噪声和电路噪声，包括谐振器和放大器。我们通过模型分析将它们的噪声频谱组件分开。研究了闪烁噪声的门电压依赖性的细节，并将其与电荷传感器灵敏度进行了比较。我们指出，读数噪声的主要组成部分随测量积分时间而变化。
We investigate gate voltage dependence of electrical readout noise in high-speed rf reflectometry using gallium arsenide quantum dots. The fast Fourier transform spectrum from the real time measurement reflects build-in device noise and circuit noise including the resonator and the amplifier. We separate their noise spectral components by model analysis. Detail of gate voltage dependence of the flicker noise is investigated and compared to the charge sensor sensitivity. We point out that the dominant component of the readout noise changes by the measurement integration time.
