Enhanced detection of electric field signals via squeezing-induced stochastic resonance
This paper proposes and experimentally demonstrates a "squeezing-induced stochastic resonance" method in a trapped ion system that amplifies weak electric-field signals by converting squeezed phase noise into amplitude fluctuations, achieving a 4.28 dB signal-to-noise ratio improvement over conventional noise-induced stochastic resonance without requiring an auxiliary noise source.