Abstract
AbstractWe present an experimental investigation of how the different operating parameters affect the random telegraph signal (RTS) noise in surface acoustic wave (SAW) devices. The altered parameters include: SAW power and frequency, phase difference between two counterpropagating SAW beams, and asymmetrical voltage applied to the two side gates of the quantum point contact. The results indicate that proper tuning of the relevant parameters can reduce the RTS noise, which would be beneficial for metrological applications. Building on the experimental results, physical models have been proposed to explain the reason why the effective reduction of the noise can be achieved.
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