Signal Amplification by 1/f Noise in Silicon-Based Nanomechanical Resonators

[摘要]：We report signal amplification by 1/f(alpha) noise with stochastic resonance In a nonlinear nanomechanical resonator. The addition of 1/f(alpha) noise to a subthreshold modulation signal enhances the probability of an electrostatically driven resonator switching between its two vibrational states in the hysteretic region. Considering the prevalence of 1/f noise in the materials In integrated circuits, signal enhancement demonstrated here, using a fully on-chip electronic actuation/detection scheme, suggests beneficial use of the otherwise detrimental noise.

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